{"id":289,"date":"2024-04-14T17:46:00","date_gmt":"2024-04-14T08:46:00","guid":{"rendered":"https:\/\/chocottopro.com\/?p=289"},"modified":"2024-04-22T18:29:04","modified_gmt":"2024-04-22T09:29:04","slug":"%e3%80%90%e5%88%9d%e5%bf%83%e8%80%85%e5%bf%85%e8%a6%8b%e3%80%91pytorch%e3%81%a7%e6%b7%b1%e5%b1%a4%e5%ad%a6%e7%bf%92%e3%82%92%e7%bf%92%e5%be%97%ef%bc%81%e5%9f%ba%e7%a4%8e%e3%81%8b%e3%82%89%e5%ae%9f","status":"publish","type":"post","link":"https:\/\/chocottopro.com\/?p=289","title":{"rendered":"\u3010\u521d\u5fc3\u8005\u5fc5\u898b\u3011PyTorch\u3067\u6df1\u5c64\u5b66\u7fd2\u3092\u7fd2\u5f97\uff01\u57fa\u790e\u304b\u3089\u5b9f\u8df5\u307e\u3067\u5b8c\u5168\u30ac\u30a4\u30c9"},"content":{"rendered":"\n<p>PyTorch\u306f\u3001Facebook\u306e\u4eba\u5de5\u77e5\u80fd\u7814\u7a76\u30c1\u30fc\u30e0\u304c\u958b\u767a\u3057\u305f\u30aa\u30fc\u30d7\u30f3\u30bd\u30fc\u30b9\u306e\u30c7\u30a3\u30fc\u30d7\u30e9\u30fc\u30cb\u30f3\u30b0\u30d5\u30ec\u30fc\u30e0\u30ef\u30fc\u30af\u3067\u3042\u308a\u3001Python\u30d9\u30fc\u30b9\u3067\u8a2d\u8a08\u3055\u308c\u3066\u3044\u307e\u3059\u3002\u672c\u8a18\u4e8b\u3067\u306f\u3001PyTorch\u306e\u7279\u5fb4\u3084\u5229\u70b9\u3092\u89e3\u8aac\u3057\u3001\u521d\u5fc3\u8005\u5411\u3051\u306b\u74b0\u5883\u69cb\u7bc9\u304b\u3089\u57fa\u672c\u7684\u306a\u4f7f\u3044\u65b9\u3001\u305d\u3057\u3066\u30cb\u30e5\u30fc\u30e9\u30eb\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u306e\u69cb\u7bc9\u65b9\u6cd5\u307e\u3067\u8a73\u3057\u304f\u8aac\u660e\u3057\u307e\u3059\u3002\u3055\u3089\u306b\u3001\u753b\u50cf\u8a8d\u8b58\u3084\u81ea\u7136\u8a00\u8a9e\u51e6\u7406\u306a\u3069\u306e\u5b9f\u8df5\u7684\u306a\u30bf\u30b9\u30af\u306b\u53d6\u308a\u7d44\u307f\u3001\u9ad8\u5ea6\u306a\u30e2\u30c7\u30eb\u306e\u5b9f\u88c5\u65b9\u6cd5\u3084\u6700\u65b0\u306e\u7814\u7a76\u52d5\u5411\u306b\u3064\u3044\u3066\u3082\u7d39\u4ecb\u3057\u307e\u3059\u3002<\/p>\n\n\n\n<div class=\"wp-block-sgb-block-simple sgb-box-simple sgb-box-simple--title-normal sgb-box-simple--with-border\"><div style=\"background-color:var(--wp--preset--color--sango-main);color:#FFF\" class=\"sgb-box-simple__title\">\u3053\u306e\u8a18\u4e8b\u3092\u8aad\u3093\u3060\u3089\u308f\u304b\u308b\u3053\u3068<\/div><div class=\"sgb-box-simple__body\" style=\"border-color:var(--wp--preset--color--sango-main);background-color:#FFF\">\n<ul class=\"wp-block-list\">\n<li>PyTorch\u306e\u57fa\u790e\u77e5\u8b58\u3068\u74b0\u5883\u69cb\u7bc9\u65b9\u6cd5<\/li>\n\n\n\n<li>\u30cb\u30e5\u30fc\u30e9\u30eb\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u306e\u69cb\u7bc9\u3068\u5b9f\u88c5\u65b9\u6cd5<\/li>\n\n\n\n<li>\u753b\u50cf\u8a8d\u8b58\u3084\u81ea\u7136\u8a00\u8a9e\u51e6\u7406\u306a\u3069\u306e\u5b9f\u8df5\u7684\u306a\u30bf\u30b9\u30af\u3078\u306e\u5fdc\u7528<\/li>\n\n\n\n<li>\u9ad8\u5ea6\u306a\u30e2\u30c7\u30eb\u306e\u6982\u8981\u3068\u5b9f\u88c5\u65b9\u6cd5<\/li>\n\n\n\n<li>PyTorch\u3092\u4f7f\u3063\u305f\u30e2\u30c7\u30eb\u958b\u767a\u306eTips\u3068\u30c8\u30ea\u30c3\u30af<\/li>\n<\/ul>\n<\/div><\/div>\n\n\n\n<div class=\"toc\"><br \/>\n<b>Warning<\/b>:  Undefined array key \"is_admin\" in <b>\/home\/c7479301\/public_html\/chocottopro.com\/wp-content\/themes\/sango-theme\/library\/gutenberg\/dist\/classes\/Toc.php<\/b> on line <b>116<\/b><br \/>\n<br \/>\n<b>Warning<\/b>:  Undefined array key \"is_category_top\" in <b>\/home\/c7479301\/public_html\/chocottopro.com\/wp-content\/themes\/sango-theme\/library\/gutenberg\/dist\/classes\/Toc.php<\/b> on line <b>121<\/b><br \/>\n<br \/>\n<b>Warning<\/b>:  Undefined array key \"is_top\" in <b>\/home\/c7479301\/public_html\/chocottopro.com\/wp-content\/themes\/sango-theme\/library\/gutenberg\/dist\/classes\/Toc.php<\/b> on line <b>128<\/b><br \/>\n    <div id=\"toc_container\" class=\"sgb-toc--bullets js-smooth-scroll\" data-dialog-title=\"Table of Contents\">\n      <p class=\"toc_title\">\u76ee\u6b21 <\/p>\n      <ul class=\"toc_list\">  <li class=\"first\">    <a href=\"#i-0\">PyTorch\u3068\u306f\uff1f\u6df1\u5c64\u5b66\u7fd2\u30d5\u30ec\u30fc\u30e0\u30ef\u30fc\u30af\u306e\u7279\u5fb4\u3068\u512a\u4f4d\u6027<\/a>  <\/li>  <li>    <a href=\"#i-1\">PyTorch\u306e\u74b0\u5883\u69cb\u7bc9\u301c\u57fa\u672c\u7684\u306a\u4f7f\u3044\u65b9\u307e\u3067<\/a>    <ul class=\"menu_level_1\">      <li class=\"first\">        <a href=\"#i-2\">PyTorch\u306e\u30a4\u30f3\u30b9\u30c8\u30fc\u30eb\u65b9\u6cd5<\/a>      <\/li>      <li>        <a href=\"#i-3\">PyTorch\u306e\u57fa\u672c\u7684\u306a\u6a5f\u80fd\u3068\u4f7f\u3044\u65b9<\/a>      <\/li>      <li class=\"last\">        <a href=\"#i-4\">PyTorch\u3067\u306e\u30c7\u30fc\u30bf\u51e6\u7406\u306e\u6d41\u308c<\/a>      <\/li>    <\/ul>  <\/li>  <li>    <a href=\"#i-5\">PyTorch\u3067\u7c21\u5358\u30cb\u30e5\u30fc\u30e9\u30eb\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u69cb\u7bc9\uff01\u30b3\u30fc\u30c9\u4f8b\u3067\u89e3\u8aac<\/a>    <ul class=\"menu_level_1\">      <li class=\"first\">        <a href=\"#i-6\">PyTorch\u306b\u3088\u308b\u30cb\u30e5\u30fc\u30e9\u30eb\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u5b9f\u88c5\u306e\u57fa\u672c\u30b9\u30c6\u30c3\u30d7<\/a>      <\/li>      <li>        <a href=\"#i-7\">\u30cb\u30e5\u30fc\u30e9\u30eb\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u306e\u69cb\u9020\u3092\u5b9a\u7fa9\u3059\u308b\u969b\u306e\u6ce8\u610f\u70b9<\/a>      <\/li>      <li>        <a href=\"#i-8\">\u640d\u5931\u95a2\u6570\u3068\u6700\u9069\u5316\u30a2\u30eb\u30b4\u30ea\u30ba\u30e0\u3092\u9078\u3076\u30dd\u30a4\u30f3\u30c8<\/a>      <\/li>      <li>        <a href=\"#i-9\">\u5b66\u7fd2\u6642\u306eTips<\/a>      <\/li>      <li>        <a href=\"#i-10\">\u30b7\u30f3\u30d7\u30eb\u306a\u30cb\u30e5\u30fc\u30e9\u30eb\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u3092\u69cb\u7bc9\u3057\u3066\u307f\u3088\u3046<\/a>      <\/li>      <li class=\"last\">        <a href=\"#i-11\">\u30cb\u30e5\u30fc\u30e9\u30eb\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u306e\u5b66\u7fd2\u3068\u8a55\u4fa1\u306e\u4ed5\u65b9<\/a>      <\/li>    <\/ul>  <\/li>  <li>    <a href=\"#i-12\">PyTorch\u3067\u753b\u50cf\u8a8d\u8b58\u30e2\u30c7\u30eb\u3092\u4f5c\u3063\u3066\u307f\u3088\u3046\u2460<\/a>    <ul class=\"menu_level_1\">      <li class=\"first\">        <a href=\"#i-13\">\u7573\u307f\u8fbc\u307f\u30cb\u30e5\u30fc\u30e9\u30eb\u30cd\u30c3\u30c8\u30ef\u30fc\u30af(CNN)\u306e\u4ed5\u7d44\u307f<\/a>      <\/li>      <li>        <a href=\"#i-14\">CNN\u306e\u4e3b\u306a\u5229\u70b9<\/a>      <\/li>      <li>        <a href=\"#i-15\">CNN\u306e\u5fdc\u7528\u4f8b<\/a>      <\/li>      <li>        <a href=\"#i-16\">PyTorch\u3067CNN\u30e2\u30c7\u30eb\u3092\u69cb\u7bc9\u3059\u308b\u624b\u9806<\/a>      <\/li>      <li class=\"last\">        <a href=\"#i-17\">PyTorch\u3067CNN\u3092\u5b9f\u88c5\u3059\u308b\u969b\u306eTips<\/a>      <\/li>    <\/ul>  <\/li>  <li>    <a href=\"#i-18\">PyTorch\u3067\u753b\u50cf\u8a8d\u8b58\u30e2\u30c7\u30eb\u3092\u4f5c\u3063\u3066\u307f\u3088\u3046\u2461<\/a>    <ul class=\"menu_level_1\">      <li class=\"first\">        <a href=\"#i-19\">\u5fc5\u8981\u306a\u30e9\u30a4\u30d6\u30e9\u30ea\u306e\u30a4\u30f3\u30dd\u30fc\u30c8<\/a>      <\/li>      <li>        <a href=\"#i-20\">\u30c7\u30fc\u30bf\u306e\u524d\u51e6\u7406<\/a>      <\/li>      <li>        <a href=\"#i-21\">\u30cb\u30e5\u30fc\u30e9\u30eb\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u306e\u5b9a\u7fa9<\/a>      <\/li>      <li>        <a href=\"#i-22\">\u640d\u5931\u95a2\u6570\u3068\u6700\u9069\u5316\u30a2\u30eb\u30b4\u30ea\u30ba\u30e0\u306e\u5b9a\u7fa9<\/a>      <\/li>      <li class=\"last\">        <a href=\"#i-23\">\u5b66\u7fd2\u306e\u5b9f\u884c<\/a>      <\/li>    <\/ul>  <\/li>  <li>    <a href=\"#i-24\">PyTorch\u3067\u81ea\u7136\u8a00\u8a9e\u51e6\u7406\u30e2\u30c7\u30eb\u3092\u4f5c\u3063\u3066\u307f\u3088\u3046\u2460<\/a>    <ul class=\"menu_level_1\">      <li class=\"first\">        <a href=\"#i-25\">\u518d\u5e30\u578b\u30cb\u30e5\u30fc\u30e9\u30eb\u30cd\u30c3\u30c8\u30ef\u30fc\u30af(RNN)\u306e\u4ed5\u7d44\u307f<\/a>      <\/li>      <li>        <a href=\"#i-26\">RNN\u306e\u4e3b\u306a\u5229\u70b9<\/a>      <\/li>      <li>        <a href=\"#i-27\">RNN\u306e\u5fdc\u7528\u4f8b<\/a>      <\/li>      <li>        <a href=\"#i-28\">PyTorch\u3067RNN\u30e2\u30c7\u30eb\u3092\u69cb\u7bc9\u3059\u308b\u624b\u9806<\/a>      <\/li>      <li class=\"last\">        <a href=\"#i-29\">PyTorch\u3067RNN\u3092\u5b9f\u88c5\u3059\u308b\u969b\u306eTips<\/a>      <\/li>    <\/ul>  <\/li>  <li>    <a href=\"#i-30\">PyTorch\u3067\u81ea\u7136\u8a00\u8a9e\u51e6\u7406\u30e2\u30c7\u30eb\u3092\u4f5c\u3063\u3066\u307f\u3088\u3046\u2461<\/a>    <ul class=\"menu_level_1\">      <li class=\"first\">        <a href=\"#i-31\">\u5fc5\u8981\u306a\u30e9\u30a4\u30d6\u30e9\u30ea\u306e\u30a4\u30f3\u30dd\u30fc\u30c8<\/a>      <\/li>      <li>        <a href=\"#i-32\">\u6587\u7ae0\u30c7\u30fc\u30bf\u306e\u524d\u51e6\u7406<\/a>      <\/li>      <li>        <a href=\"#i-33\">\u30cb\u30e5\u30fc\u30e9\u30eb\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u306e\u5b9a\u7fa9<\/a>      <\/li>      <li>        <a href=\"#i-34\">\u640d\u5931\u95a2\u6570\u3068\u6700\u9069\u5316\u30a2\u30eb\u30b4\u30ea\u30ba\u30e0\u306e\u5b9a\u7fa9<\/a>      <\/li>      <li class=\"last\">        <a href=\"#i-35\">\u5b66\u7fd2\u306e\u5b9f\u884c<\/a>      <\/li>    <\/ul>  <\/li>  <li>    <a href=\"#i-36\">\u3082\u3063\u3068\u9ad8\u5ea6\u306a\u30c7\u30a3\u30fc\u30d7\u30e9\u30fc\u30cb\u30f3\u30b0\u30e2\u30c7\u30eb\u306b\u30c1\u30e3\u30ec\u30f3\u30b8\uff01<\/a>    <ul class=\"menu_level_1\">      <li class=\"first\">        <a href=\"#i-37\">PyTorch\u3067\u5b9f\u88c5\u3059\u308b\u6ce8\u76ee\u306e\u30e2\u30c7\u30eb3\u9078<\/a>      <\/li>      <li class=\"last\">        <a href=\"#i-38\">\u6700\u5148\u7aef\u30e2\u30c7\u30eb\u306e\u5b9f\u88c5\u306b\u6311\u6226\u3059\u308b\u969b\u306eTips<\/a>      <\/li>    <\/ul>  <\/li>  <li>    <a href=\"#i-39\">\u6700\u5148\u7aef\u30e2\u30c7\u30eb\u306e\u8ad6\u6587\u3092\u8aad\u307f\u89e3\u304f<\/a>    <ul class=\"menu_level_1\">      <li class=\"first\">        <a href=\"#i-40\">\u8ad6\u6587\u306e\u69cb\u6210\u3092\u7406\u89e3\u3059\u308b<\/a>      <\/li>      <li>        <a href=\"#i-41\">\u63d0\u6848\u624b\u6cd5\u306e\u30dd\u30a4\u30f3\u30c8\u3092\u62bc\u3055\u3048\u308b<\/a>      <\/li>      <li>        <a href=\"#i-42\">\u5b9f\u9a13\u7d50\u679c\u3092\u5206\u6790\u3059\u308b<\/a>      <\/li>      <li class=\"last\">        <a href=\"#i-43\">\u95a2\u9023\u7814\u7a76\u3068\u306e\u95a2\u4fc2\u3092\u628a\u63e1\u3059\u308b<\/a>      <\/li>    <\/ul>  <\/li>  <li>    <a href=\"#i-44\">\u7814\u7a76\u3084\u5b9f\u52d9\u3067\u306e\u6d3b\u7528\u4e8b\u4f8b<\/a>    <ul class=\"menu_level_1\">      <li class=\"first\">        <a href=\"#i-45\">\u81ea\u7136\u8a00\u8a9e\u51e6\u7406\u5206\u91ce\u3067\u306e\u6d3b\u7528\u4f8b<\/a>      <\/li>      <li>        <a href=\"#i-46\">\u30b3\u30f3\u30d4\u30e5\u30fc\u30bf\u30d3\u30b8\u30e7\u30f3\u5206\u91ce\u3067\u306e\u6d3b\u7528\u4f8b<\/a>      <\/li>      <li class=\"last\">        <a href=\"#i-47\">\u533b\u7642\u5206\u91ce\u3067\u306e\u6d3b\u7528\u4f8b<\/a>      <\/li>    <\/ul>  <\/li>  <li>    <a href=\"#i-48\">PyTorch\u3092\u6975\u3081\u308b\u305f\u3081\u306eTips\uff06\u30c8\u30ea\u30c3\u30af\u96c6<\/a>    <ul class=\"menu_level_1\">      <li class=\"first\">        <a href=\"#i-49\">\u30d1\u30d5\u30a9\u30fc\u30de\u30f3\u30b9\u6539\u5584\u306e\u305f\u3081\u306e\u30d9\u30b9\u30c8\u30d7\u30e9\u30af\u30c6\u30a3\u30b9<\/a>      <\/li>      <li>        <a href=\"#i-50\">\u30cf\u30a4\u30d1\u30fc\u30d1\u30e9\u30e1\u30fc\u30bf\u8abf\u6574\u306e\u30b3\u30c4<\/a>      <\/li>      <li class=\"last\">        <a href=\"#i-51\">\u56f0\u3063\u305f\u3068\u304d\u306e\u30c7\u30d0\u30c3\u30b0\u624b\u6cd5<\/a>      <\/li>    <\/ul>  <\/li>  <li>    <a href=\"#i-52\">\u307e\u3068\u3081\uff1aPyTorch\u30de\u30b9\u30bf\u30fc\u3078\u306e\u9053<\/a>    <ul class=\"menu_level_1\">      <li class=\"first\">        <a href=\"#i-53\">\u672c\u8a18\u4e8b\u306e\u304a\u3055\u3089\u3044<\/a>      <\/li>      <li class=\"last\">        <a href=\"#i-54\">PyTorch\u306e\u3055\u3089\u306a\u308b\u5b66\u7fd2\u30ea\u30bd\u30fc\u30b9<\/a>      <\/li>    <\/ul>  <\/li>  <li>    <a href=\"#i-55\">\u304a\u307e\u3051\uff11\uff1aPyTorch\u30b3\u30df\u30e5\u30cb\u30c6\u30a3\u3068\u306e\u95a2\u308f\u308a\u65b9<\/a>  <\/li>  <li class=\"last\">    <a href=\"#i-56\">\u304a\u307e\u3051\uff12\uff1aPyTorch\u3068\u4ed6\u306e\u6df1\u5c64\u5b66\u7fd2\u30d5\u30ec\u30fc\u30e0\u30ef\u30fc\u30af\u306e\u6bd4\u8f03<\/a>    <ul class=\"menu_level_1\">      <li class=\"first\">        <a href=\"#i-57\">PyTorch\u3068TensorFlow\u306e\u6bd4\u8f03<\/a>      <\/li>      <li>        <a href=\"#i-58\">Keras\u3068PyTorch\u306e\u6bd4\u8f03<\/a>      <\/li>      <li class=\"last\">        <a href=\"#i-59\">PyTorch\u3068Chainer\u306e\u6bd4\u8f03<\/a>      <\/li>    <\/ul>  <\/li><\/ul>\n      \n    <\/div><\/div><h2 class=\"wp-block-heading\" id=\"i-0\">PyTorch\u3068\u306f\uff1f\u6df1\u5c64\u5b66\u7fd2\u30d5\u30ec\u30fc\u30e0\u30ef\u30fc\u30af\u306e\u7279\u5fb4\u3068\u512a\u4f4d\u6027<\/h2>\n\n\n\n<p>PyTorch\u306f\u3001Facebook\u306e\u4eba\u5de5\u77e5\u80fd\u7814\u7a76\u30c1\u30fc\u30e0\u304c\u958b\u767a\u3057\u305f\u30aa\u30fc\u30d7\u30f3\u30bd\u30fc\u30b9\u306e\u30c7\u30a3\u30fc\u30d7\u30e9\u30fc\u30cb\u30f3\u30b0\u30d5\u30ec\u30fc\u30e0\u30ef\u30fc\u30af\u3067\u3059\u3002Python\u30d9\u30fc\u30b9\u3067\u8a2d\u8a08\u3055\u308c\u3066\u304a\u308a\u3001Python\u306e\u8c4a\u5bcc\u306a\u6a5f\u68b0\u5b66\u7fd2\u30e9\u30a4\u30d6\u30e9\u30ea\u3068\u306e\u9023\u643a\u304c\u5bb9\u6613\u3068\u3044\u3046\u7279\u5fb4\u304c\u3042\u308a\u307e\u3059\u3002<\/p>\n\n\n\n<p>PyTorch\u306e\u5927\u304d\u306a\u7279\u5fb4\u306f\u3001\u52d5\u7684\u8a08\u7b97\u30b0\u30e9\u30d5\u3092\u63a1\u7528\u3057\u3066\u3044\u308b\u70b9\u3067\u3059\u3002\u3053\u308c\u306b\u3088\u308a\u3001\u67d4\u8edf\u304b\u3064\u76f4\u611f\u7684\u306a\u30e2\u30c7\u30eb\u69cb\u7bc9\u304c\u53ef\u80fd\u306b\u306a\u3063\u3066\u3044\u307e\u3059\u3002\u307e\u305f\u3001NumPy\u306e\u3088\u3046\u306a\u99b4\u67d3\u307f\u6df1\u3044\u914d\u5217\u64cd\u4f5c\u306eAPI\u3092\u63d0\u4f9b\u3057\u3066\u3044\u308b\u305f\u3081\u3001\u4f7f\u3044\u52dd\u624b\u304c\u975e\u5e38\u306b\u826f\u3044\u306e\u3082\u9b45\u529b\u306e\u4e00\u3064\u3068\u8a00\u3048\u308b\u3067\u3057\u3087\u3046\u3002<\/p>\n\n\n\n<p>\u30d1\u30d5\u30a9\u30fc\u30de\u30f3\u30b9\u9762\u3067\u3082\u3001PyTorch\u306fGPU\u306b\u3088\u308b\u9ad8\u901f\u6f14\u7b97\u3092\u30b5\u30dd\u30fc\u30c8\u3057\u3066\u3044\u308b\u305f\u3081\u3001\u5927\u898f\u6a21\u30c7\u30fc\u30bf\u306e\u51e6\u7406\u306b\u9069\u3057\u3066\u3044\u307e\u3059\u3002Define-by-Run\uff08\u5b9f\u884c\u6642\u5b9a\u7fa9\uff09\u3068\u3044\u3046\u7279\u6027\u4e0a\u3001\u30c7\u30d0\u30c3\u30b0\u3084\u30c7\u30fc\u30bf\u691c\u67fb\u3082\u884c\u3044\u3084\u3059\u304f\u306a\u3063\u3066\u3044\u307e\u3059\u3002<\/p>\n\n\n\n<p>\u307e\u305f\u3001\u30e2\u30c7\u30eb\u306e\u4fdd\u5b58\u30fb\u8aad\u307f\u8fbc\u307f\u304c\u7c21\u5358\u3067\u3001\u5b66\u7fd2\u6e08\u307f\u30e2\u30c7\u30eb\u306e\u518d\u5229\u7528\u3082\u5bb9\u6613\u3067\u3059\u3002TorchScript\u3092\u4f7f\u3048\u3070\u3001PyTorch\u30e2\u30c7\u30eb\u3092\u30a8\u30af\u30b9\u30dd\u30fc\u30c8\u3057\u3066C++\u306a\u3069\u4ed6\u306e\u8a00\u8a9e\u3067\u3082\u5229\u7528\u53ef\u80fd\u3002PyTorch Hub\u3092\u901a\u3058\u3066\u3001\u4e8b\u524d\u5b66\u7fd2\u6e08\u307f\u30e2\u30c7\u30eb\u3092\u7c21\u5358\u306b\u5229\u7528\u3067\u304d\u308b\u306e\u3082\u5927\u304d\u306a\u30e1\u30ea\u30c3\u30c8\u3068\u8a00\u3048\u307e\u3059\u3002<\/p>\n\n\n\n<p>\u4ed6\u306e\u30d5\u30ec\u30fc\u30e0\u30ef\u30fc\u30af\u3068\u6bd4\u8f03\u3059\u308b\u3068\u3001TensorFlow\u306e\u9759\u7684\u8a08\u7b97\u30b0\u30e9\u30d5\u306b\u5bfe\u3057\u3066PyTorch\u306f\u52d5\u7684\u8a08\u7b97\u30b0\u30e9\u30d5\u3092\u63a1\u7528\u3057\u3066\u3044\u307e\u3059\u3002TensorFlow\u306b\u6bd4\u3079\u308b\u3068\u3088\u308aPython\u30cd\u30a4\u30c6\u30a3\u30d6\u306a\u8a18\u6cd5\u306e\u305f\u3081\u3001Python\u30a8\u30f3\u30b8\u30cb\u30a2\u306b\u3068\u3063\u3066\u5b66\u7fd2\u30b3\u30b9\u30c8\u304c\u4f4e\u3044\u306e\u304c\u7279\u5fb4\u3067\u3059\u3002Keras\u3068\u6bd4\u3079\u308b\u3068\u3001PyTorch\u306e\u65b9\u304clow-level\u306a\u64cd\u4f5c\u304c\u53ef\u80fd\u3067\u3001\u7d30\u304b\u3044\u30ab\u30b9\u30bf\u30de\u30a4\u30ba\u304c\u3057\u3084\u3059\u304f\u306a\u3063\u3066\u3044\u307e\u3059\u3002<\/p>\n\n\n\n<p>PyTorch\u306e\u6d3b\u767a\u306a\u30b3\u30df\u30e5\u30cb\u30c6\u30a3\u3082\u5927\u304d\u306a\u5f37\u307f\u3067\u3059\u3002\u591a\u304f\u306e\u30ea\u30bd\u30fc\u30b9\u3084\u30b5\u30dd\u30fc\u30c8\u3092\u5f97\u3089\u308c\u308b\u305f\u3081\u3001\u521d\u5b66\u8005\u3067\u3082\u632b\u6298\u305b\u305a\u306b\u5b66\u7fd2\u3092\u9032\u3081\u3089\u308c\u308b\u3067\u3057\u3087\u3046\u3002<\/p>\n\n\n\n<p>\u3053\u308c\u3089\u306e\u7279\u6027\u304b\u3089\u3001PyTorch\u306f\u7814\u7a76\u7528\u9014\u306b\u9069\u3057\u3066\u3044\u308b\u3060\u3051\u3067\u306a\u304f\u3001\u30a8\u30f3\u30b8\u30cb\u30a2\u306e\u751f\u7523\u6027\u3092\u9ad8\u3081\u308b\u30d5\u30ec\u30fc\u30e0\u30ef\u30fc\u30af\u3060\u3068\u8a00\u3048\u307e\u3059\u3002Python\u306e\u77e5\u8b58\u304c\u3042\u308c\u3070\u6bd4\u8f03\u7684\u53d6\u308a\u639b\u304b\u308a\u3084\u3059\u304f\u3001\u67d4\u8edf\u3067\u8868\u73fe\u529b\u306e\u9ad8\u3044\u30e2\u30c7\u30eb\u69cb\u7bc9\u304c\u53ef\u80fd\u3002\u30a2\u30ab\u30c7\u30df\u30c3\u30af\u306a\u7814\u7a76\u304b\u3089\u30d3\u30b8\u30cd\u30b9\u306e\u5b9f\u8df5\u307e\u3067\u3001\u5e45\u5e83\u3044\u30cb\u30fc\u30ba\u306b\u5fdc\u3048\u3089\u308c\u308b\u3067\u3057\u3087\u3046\u3002<\/p>\n\n\n\n<p>\u6b21\u7ae0\u304b\u3089\u306f\u3001\u5b9f\u969b\u306bPyTorch\u3092\u4f7f\u3063\u305f\u30c7\u30a3\u30fc\u30d7\u30e9\u30fc\u30cb\u30f3\u30b0\u306e\u5b9f\u88c5\u65b9\u6cd5\u306b\u3064\u3044\u3066\u898b\u3066\u3044\u304d\u307e\u3059\u3002\u307e\u305a\u306f\u74b0\u5883\u69cb\u7bc9\u3068\u57fa\u672c\u7684\u306a\u4f7f\u3044\u65b9\u304b\u3089\u59cb\u3081\u3066\u3044\u304d\u307e\u3057\u3087\u3046\u3002<br><\/p>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"i-1\">PyTorch\u306e\u74b0\u5883\u69cb\u7bc9\u301c\u57fa\u672c\u7684\u306a\u4f7f\u3044\u65b9\u307e\u3067<\/h2>\n\n\n\n<p>\u672c\u7ae0\u3067\u306f\u3001PyTorch\u306e\u74b0\u5883\u69cb\u7bc9\u304b\u3089\u57fa\u672c\u7684\u306a\u4f7f\u3044\u65b9\u307e\u3067\u3092\u4e00\u901a\u308a\u89e3\u8aac\u3057\u307e\u3059\u3002\u521d\u3081\u3066PyTorch\u3092\u4f7f\u3046\u65b9\u3082\u3001\u3053\u306e\u7ae0\u3092\u8aad\u307f\u9032\u3081\u308b\u3053\u3068\u3067\u30b9\u30e0\u30fc\u30ba\u306b\u958b\u767a\u74b0\u5883\u3092\u6574\u3048\u3001PyTorch\u30d7\u30ed\u30b0\u30e9\u30df\u30f3\u30b0\u306e\u57fa\u790e\u3092\u8eab\u306b\u3064\u3051\u308b\u3053\u3068\u304c\u3067\u304d\u308b\u3067\u3057\u3087\u3046\u3002<\/p>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"i-2\">PyTorch\u306e\u30a4\u30f3\u30b9\u30c8\u30fc\u30eb\u65b9\u6cd5<\/h3>\n\n\n\n<p><br>PyTorch\u3092\u30a4\u30f3\u30b9\u30c8\u30fc\u30eb\u3059\u308b\u65b9\u6cd5\u306f\u3001\u516c\u5f0f\u30b5\u30a4\u30c8\u304b\u3089\u5fc5\u8981\u306a\u6761\u4ef6\u3092\u9078\u629e\u3057\u3001\u8868\u793a\u3055\u308c\u305f\u30b3\u30de\u30f3\u30c9\u3092\u5b9f\u884c\u3059\u308b\u306e\u304c\u57fa\u672c\u3067\u3059\u3002OS\u3084\u30d1\u30c3\u30b1\u30fc\u30b8\u30de\u30cd\u30fc\u30b8\u30e3\u3001Python\u3001CUDA\u5bfe\u5fdc\u306a\u3069\u306e\u6761\u4ef6\u3092\u6307\u5b9a\u3059\u308b\u3053\u3068\u3067\u3001\u81ea\u5206\u306e\u74b0\u5883\u306b\u5408\u3063\u305f\u30a4\u30f3\u30b9\u30c8\u30fc\u30eb\u30b3\u30de\u30f3\u30c9\u304c\u63d0\u793a\u3055\u308c\u307e\u3059\u3002<\/p>\n\n\n\n<p>\u4f8b\u3048\u3070\u3001macOS\u3067Homebrew\u3092\u4f7f\u3063\u3066\u3044\u308b\u5834\u5408\u306f\u4ee5\u4e0b\u306e\u3088\u3046\u306a\u30b3\u30de\u30f3\u30c9\u306b\u306a\u308a\u307e\u3059\u3002<\/p>\n\n\n\n<pre class=\"EnlighterJSRAW\" data-enlighter-language=\"generic\" data-enlighter-theme=\"\" data-enlighter-highlight=\"\" data-enlighter-linenumbers=\"\" data-enlighter-lineoffset=\"\" data-enlighter-title=\"\" data-enlighter-group=\"\">brew install pytorch<\/pre>\n\n\n\n<p>Windows\u3067Python 3.9\u3001CUDA 11.3\u3092\u4f7f\u3046\u5834\u5408\u306f\u3001\u4ee5\u4e0b\u306e\u3088\u3046\u306a\u30b3\u30de\u30f3\u30c9\u306b\u306a\u308a\u307e\u3059\u3002<\/p>\n\n\n\n<pre class=\"EnlighterJSRAW\" data-enlighter-language=\"generic\" data-enlighter-theme=\"\" data-enlighter-highlight=\"\" data-enlighter-linenumbers=\"\" data-enlighter-lineoffset=\"\" data-enlighter-title=\"\" data-enlighter-group=\"\">pip3 install torch torchvision torchaudio --extra-index-url https:\/\/download.pytorch.org\/whl\/cu113<\/pre>\n\n\n\n<p>GPU\u7248\u3092\u4f7f\u3046\u5834\u5408\u306f\u3001CUDA\u3068cuDNN\u306e\u8a2d\u5b9a\u304c\u5225\u9014\u5fc5\u8981\u306b\u306a\u308b\u70b9\u306b\u306f\u6ce8\u610f\u304c\u5fc5\u8981\u3067\u3059\u3002\u306a\u304a\u3001pip\u3084conda\u306a\u3069\u3001\u5229\u7528\u4e2d\u306e\u30d1\u30c3\u30b1\u30fc\u30b8\u7ba1\u7406\u30b7\u30b9\u30c6\u30e0\u306b\u5408\u308f\u305b\u305f\u30a4\u30f3\u30b9\u30c8\u30fc\u30eb\u65b9\u6cd5\u3092\u9078\u3076\u306e\u304c\u826f\u3044\u3067\u3057\u3087\u3046\u3002<\/p>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"i-3\">PyTorch\u306e\u57fa\u672c\u7684\u306a\u6a5f\u80fd\u3068\u4f7f\u3044\u65b9<\/h3>\n\n\n\n<p><br>PyTorch\u3067\u306f\u3001\u30c6\u30f3\u30bd\u30eb\uff08\u591a\u6b21\u5143\u914d\u5217\uff09\u304c\u30c7\u30fc\u30bf\u69cb\u9020\u306e\u4e2d\u5fc3\u3068\u306a\u308a\u307e\u3059\u3002\u30c6\u30f3\u30bd\u30eb\u306b\u5bfe\u3059\u308b\u69d8\u3005\u306a\u6f14\u7b97\u3084\u64cd\u4f5c\u304c\u57fa\u672c\u7684\u306a\u6a5f\u80fd\u3068\u3057\u3066\u63d0\u4f9b\u3055\u308c\u3066\u304a\u308a\u3001NumPy\u3092\u4f7f\u3063\u305f\u3053\u3068\u304c\u3042\u308b\u4eba\u306b\u306f\u306a\u3058\u307f\u6df1\u3044\u5f62\u3067\u5229\u7528\u3067\u304d\u307e\u3059\u3002<\/p>\n\n\n\n<p>\u4f8b\u3048\u3070\u3001\u30c6\u30f3\u30bd\u30eb\u306e\u751f\u6210\u306f\u4ee5\u4e0b\u306e\u3088\u3046\u306b\u884c\u3044\u307e\u3059\u3002<\/p>\n\n\n\n<pre class=\"EnlighterJSRAW\" data-enlighter-language=\"generic\" data-enlighter-theme=\"\" data-enlighter-highlight=\"\" data-enlighter-linenumbers=\"\" data-enlighter-lineoffset=\"\" data-enlighter-title=\"\" data-enlighter-group=\"\">import torch\n\n# \u30b5\u30a4\u30ba\u304c3x4\u306e\u884c\u5217\uff082\u968e\u30c6\u30f3\u30bd\u30eb\uff09\u3092\u30e9\u30f3\u30c0\u30e0\u306a\u5024\u3067\u521d\u671f\u5316\ntensor1 = torch.rand(3, 4)  \n\n# \u8981\u7d20\u304c\u3059\u3079\u30660\u306e\u30b9\u30ab\u30e9\u30fc\uff080\u968e\u30c6\u30f3\u30bd\u30eb\uff09\ntensor2 = torch.tensor(0) \n\n# \u30b5\u30a4\u30ba\u304c2x3x4\u306e3\u968e\u30c6\u30f3\u30bd\u30eb\u3092\u4f5c\u6210\u3057\u3001\u3059\u3079\u3066\u306e\u8981\u7d20\u30921\u3067\u521d\u671f\u5316\ntensor3 = torch.ones(2, 3, 4)<\/pre>\n\n\n\n<p>\u30c6\u30f3\u30bd\u30eb\u306e\u6f14\u7b97\u3082\u76f4\u611f\u7684\u306b\u884c\u3046\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002<\/p>\n\n\n\n<pre class=\"EnlighterJSRAW\" data-enlighter-language=\"generic\" data-enlighter-theme=\"\" data-enlighter-highlight=\"\" data-enlighter-linenumbers=\"\" data-enlighter-lineoffset=\"\" data-enlighter-title=\"\" data-enlighter-group=\"\"># \u30c6\u30f3\u30bd\u30eb\u306e\u8db3\u3057\u7b97\nresult = tensor1 + tensor2\n\n# \u30c6\u30f3\u30bd\u30eb\u306e\u639b\u3051\u7b97 \nresult = tensor1 * tensor2\n\n# \u30c6\u30f3\u30bd\u30eb\u306e\u8ee2\u7f6e\ntransposed_tensor = tensor1.T<\/pre>\n\n\n\n<p>PyTorch\u306e\u5927\u304d\u306a\u7279\u5fb4\u306e\u4e00\u3064\u306b\u3001autograd\u6a5f\u80fd\u306b\u3088\u308b\u81ea\u52d5\u5fae\u5206\u304c\u3042\u308a\u307e\u3059\u3002\u3053\u308c\u306b\u3088\u308a\u3001\u30cb\u30e5\u30fc\u30e9\u30eb\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u306e\u5b66\u7fd2\u3092\u52b9\u7387\u7684\u306b\u884c\u3046\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002<\/p>\n\n\n\n<pre class=\"EnlighterJSRAW\" data-enlighter-language=\"generic\" data-enlighter-theme=\"\" data-enlighter-highlight=\"\" data-enlighter-linenumbers=\"\" data-enlighter-lineoffset=\"\" data-enlighter-title=\"\" data-enlighter-group=\"\">import torch\n\n# \u5b66\u7fd2\u5bfe\u8c61\u306e\u30d1\u30e9\u30e1\u30fc\u30bf\u3092\u6301\u3064\u30c6\u30f3\u30bd\u30eb\u3092\u4f5c\u6210\nw = torch.randn(5, 3, requires_grad=True)\n\n# \u9069\u5f53\u306a\u5165\u529b\u30c7\u30fc\u30bf\u3092\u4f5c\u6210\nx = torch.randn(3, 2)\n\n# \u9806\u4f1d\u64ad\u306e\u8a08\u7b97\ny = torch.matmul(w, x)\n\n# \u9006\u4f1d\u64ad\u3092\u5b9f\u884c\u3057\u3001\u52fe\u914d\u3092\u8a08\u7b97\ny.backward(torch.ones_like(y))\n\n# w\u306e\u52fe\u914d\u3092\u8868\u793a\nprint(w.grad)<\/pre>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"i-4\">PyTorch\u3067\u306e\u30c7\u30fc\u30bf\u51e6\u7406\u306e\u6d41\u308c<\/h3>\n\n\n\n<p><br>PyTorch\u3092\u7528\u3044\u305f\u6a5f\u68b0\u5b66\u7fd2\u306e\u5178\u578b\u7684\u306a\u6d41\u308c\u306f\u4ee5\u4e0b\u306e\u3088\u3046\u306b\u306a\u308a\u307e\u3059\u3002<\/p>\n\n\n\n<ol class=\"wp-block-list\">\n<li>\u30c7\u30fc\u30bf\u306e\u6e96\u5099\uff1a\u5b66\u7fd2\u30c7\u30fc\u30bf\u3068\u30c6\u30b9\u30c8\u30c7\u30fc\u30bf\u306e\u8aad\u307f\u8fbc\u307f\u3001\u524d\u51e6\u7406\u306a\u3069<\/li>\n\n\n\n<li>\u30e2\u30c7\u30eb\u306e\u5b9a\u7fa9\uff1a\u30cb\u30e5\u30fc\u30e9\u30eb\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u306e\u30a2\u30fc\u30ad\u30c6\u30af\u30c1\u30e3\u3092\u5b9a\u7fa9<\/li>\n\n\n\n<li>\u640d\u5931\u95a2\u6570\u3068\u6700\u9069\u5316\u30a2\u30eb\u30b4\u30ea\u30ba\u30e0\u306e\u8a2d\u5b9a\uff1a\u30e2\u30c7\u30eb\u306e\u5b66\u7fd2\u306b\u4f7f\u7528\u3059\u308b\u640d\u5931\u95a2\u6570\u3068\u6700\u9069\u5316\u624b\u6cd5\u3092\u9078\u629e<\/li>\n\n\n\n<li>\u5b66\u7fd2\u306e\u5b9f\u884c\uff1a\u30c7\u30fc\u30bf\u3092\u30e2\u30c7\u30eb\u306b\u5165\u529b\u3057\u3001\u640d\u5931\u95a2\u6570\u306e\u5024\u304c\u5c0f\u3055\u304f\u306a\u308b\u3088\u3046\u306b\u30d1\u30e9\u30e1\u30fc\u30bf\u3092\u66f4\u65b0<\/li>\n\n\n\n<li>\u30e2\u30c7\u30eb\u306e\u8a55\u4fa1\uff1a\u30c6\u30b9\u30c8\u30c7\u30fc\u30bf\u3092\u7528\u3044\u3066\u30e2\u30c7\u30eb\u306e\u6027\u80fd\u3092\u8a55\u4fa1<\/li>\n\n\n\n<li>\u30e2\u30c7\u30eb\u306e\u4fdd\u5b58\u3068\u8aad\u307f\u8fbc\u307f\uff1a\u5b66\u7fd2\u6e08\u307f\u30e2\u30c7\u30eb\u3092\u30d5\u30a1\u30a4\u30eb\u306b\u4fdd\u5b58\u3057\u3001\u518d\u5229\u7528\u3067\u304d\u308b\u3088\u3046\u306b\u3059\u308b<\/li>\n<\/ol>\n\n\n\n<p>\u3053\u306e\u6d41\u308c\u306b\u6cbf\u3063\u3066\u3001\u4ee5\u4e0b\u306e\u3088\u3046\u306a\u30b3\u30fc\u30c9\u3092\u66f8\u3044\u3066\u3044\u304d\u307e\u3059\u3002<\/p>\n\n\n\n<pre class=\"EnlighterJSRAW\" data-enlighter-language=\"generic\" data-enlighter-theme=\"\" data-enlighter-highlight=\"\" data-enlighter-linenumbers=\"\" data-enlighter-lineoffset=\"\" data-enlighter-title=\"\" data-enlighter-group=\"\">import torch\nimport torch.nn as nn\nimport torch.optim as optim\n\n# \u30b9\u30c6\u30c3\u30d71: \u30c7\u30fc\u30bf\u306e\u6e96\u5099\nX_train = torch.rand(100, 10)  # \u5b66\u7fd2\u30c7\u30fc\u30bf\uff08\u5165\u529b\uff09\ny_train = torch.rand(100, 1)   # \u5b66\u7fd2\u30c7\u30fc\u30bf\uff08\u51fa\u529b\uff09\nX_test = torch.rand(20, 10)    # \u30c6\u30b9\u30c8\u30c7\u30fc\u30bf\uff08\u5165\u529b\uff09\ny_test = torch.rand(20, 1)     # \u30c6\u30b9\u30c8\u30c7\u30fc\u30bf\uff08\u51fa\u529b\uff09\n\n# \u30b9\u30c6\u30c3\u30d72: \u30e2\u30c7\u30eb\u306e\u5b9a\u7fa9\nclass Net(nn.Module):\n    def __init__(self):\n        super(Net, self).__init__()\n        self.fc1 = nn.Linear(10, 20)\n        self.fc2 = nn.Linear(20, 1)\n\n    def forward(self, x):\n        x = torch.relu(self.fc1(x))\n        x = self.fc2(x)\n        return x\n\nmodel = Net()\n\n# \u30b9\u30c6\u30c3\u30d73: \u640d\u5931\u95a2\u6570\u3068\u6700\u9069\u5316\u30a2\u30eb\u30b4\u30ea\u30ba\u30e0\u306e\u8a2d\u5b9a\ncriterion = nn.MSELoss()\noptimizer = optim.SGD(model.parameters(), lr=0.01)\n\n# \u30b9\u30c6\u30c3\u30d74: \u5b66\u7fd2\u306e\u5b9f\u884c\nnum_epochs = 100\nfor epoch in range(num_epochs):\n    optimizer.zero_grad()\n    outputs = model(X_train)\n    loss = criterion(outputs, y_train)\n    loss.backward()\n    optimizer.step()\n\n# \u30b9\u30c6\u30c3\u30d75: \u30e2\u30c7\u30eb\u306e\u8a55\u4fa1    \nwith torch.no_grad():\n    outputs = model(X_test)\n    test_loss = criterion(outputs, y_test)\n    print(f'Test loss: {test_loss.item():.4f}')\n\n# \u30b9\u30c6\u30c3\u30d76: \u30e2\u30c7\u30eb\u306e\u4fdd\u5b58\u3068\u8aad\u307f\u8fbc\u307f\ntorch.save(model.state_dict(), 'model.pth')\nloaded_model = Net()\nloaded_model.load_state_dict(torch.load('model.pth'))<\/pre>\n\n\n\n<p>\u4ee5\u4e0a\u304c\u3001PyTorch\u306e\u57fa\u672c\u7684\u306a\u4f7f\u3044\u65b9\u306e\u6d41\u308c\u3092\u307e\u3068\u3081\u305f\u30b3\u30fc\u30c9\u4f8b\u3067\u3059\u3002\u5b9f\u969b\u306e\u30c7\u30fc\u30bf\u3084\u76ee\u7684\u306b\u5408\u308f\u305b\u3066\u3001\u9069\u5b9c\u5909\u66f4\u30fb\u62e1\u5f35\u3057\u3066\u3044\u304f\u3053\u3068\u306b\u306a\u308a\u307e\u3059\u3002<\/p>\n\n\n\n<p>\u672c\u7ae0\u3067\u306f\u3001PyTorch\u306e\u30a4\u30f3\u30b9\u30c8\u30fc\u30eb\u65b9\u6cd5\u304b\u3089\u57fa\u672c\u7684\u306a\u4f7f\u7528\u65b9\u6cd5\u307e\u3067\u89e3\u8aac\u3057\u307e\u3057\u305f\u3002\u6b21\u7ae0\u3067\u306f\u3001\u3053\u306e\u77e5\u8b58\u3092\u30d9\u30fc\u30b9\u306b\u3057\u3066\u30cb\u30e5\u30fc\u30e9\u30eb\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u3092\u69cb\u7bc9\u3057\u3001\u624b\u66f8\u304d\u6587\u5b57\u8a8d\u8b58\u3092\u5b9f\u8df5\u3057\u3066\u3044\u304d\u307e\u3059\u3002\u5177\u4f53\u7684\u306a\u30b3\u30fc\u30c7\u30a3\u30f3\u30b0\u3092\u901a\u3057\u3066\u3001PyTorch\u3067\u306e\u30c7\u30a3\u30fc\u30d7\u30e9\u30fc\u30cb\u30f3\u30b0\u306e\u5b9f\u88c5\u65b9\u6cd5\u3092\u5b66\u3093\u3067\u3044\u304d\u307e\u3057\u3087\u3046\u3002<br><\/p>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"i-5\">PyTorch\u3067\u7c21\u5358\u30cb\u30e5\u30fc\u30e9\u30eb\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u69cb\u7bc9\uff01\u30b3\u30fc\u30c9\u4f8b\u3067\u89e3\u8aac<\/h2>\n\n\n\n<p>PyTorch\u3092\u4f7f\u3048\u3070\u3001\u308f\u305a\u304b\u6570\u5341\u884c\u306e\u30b3\u30fc\u30c9\u3067\u30cb\u30e5\u30fc\u30e9\u30eb\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u3092\u69cb\u7bc9\u3057\u3001\u6a5f\u68b0\u5b66\u7fd2\u30e2\u30c7\u30eb\u3092\u5b9f\u88c5\u3059\u308b\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002\u672c\u7ae0\u3067\u306f\u3001PyTorch\u3067\u306e\u30cb\u30e5\u30fc\u30e9\u30eb\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u5b9f\u88c5\u306e\u57fa\u672c\u7684\u306a\u6d41\u308c\u3092\u89e3\u8aac\u3057\u3001\u30b7\u30f3\u30d7\u30eb\u306a\u30b3\u30fc\u30c9\u4f8b\u3092\u901a\u3057\u3066\u5177\u4f53\u7684\u306a\u5b9f\u88c5\u65b9\u6cd5\u3092\u5b66\u3093\u3067\u3044\u304d\u307e\u3059\u3002<\/p>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"i-6\">PyTorch\u306b\u3088\u308b\u30cb\u30e5\u30fc\u30e9\u30eb\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u5b9f\u88c5\u306e\u57fa\u672c\u30b9\u30c6\u30c3\u30d7<\/h3>\n\n\n\n<p>PyTorch\u3067\u30cb\u30e5\u30fc\u30e9\u30eb\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u3092\u5b9f\u88c5\u3059\u308b\u969b\u306e\u57fa\u672c\u7684\u306a\u6d41\u308c\u306f\u3001\u4ee5\u4e0b\u306e4\u3064\u306e\u30b9\u30c6\u30c3\u30d7\u306b\u5206\u3051\u3089\u308c\u307e\u3059\u3002<\/p>\n\n\n\n<ol class=\"wp-block-list\">\n<li>\u30cb\u30e5\u30fc\u30e9\u30eb\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u306e\u69cb\u9020\u3092\u5b9a\u7fa9\u3059\u308b\n<ul class=\"wp-block-list\">\n<li><code>torch.nn.Module<\/code>\u3092\u7d99\u627f\u3057\u305f\u30af\u30e9\u30b9\u3092\u4f5c\u6210\u3057\u307e\u3059\u3002<\/li>\n\n\n\n<li>\u4f7f\u7528\u3059\u308b\u5c64\uff08\u5168\u7d50\u5408\u5c64\u3001\u7573\u307f\u8fbc\u307f\u5c64\u3001\u30d7\u30fc\u30ea\u30f3\u30b0\u5c64\u306a\u3069\uff09\u3092\u30b3\u30f3\u30b9\u30c8\u30e9\u30af\u30bf\u5185\u3067\u5b9a\u7fa9\u3057\u307e\u3059\u3002<\/li>\n\n\n\n<li>\u9806\u4f1d\u64ad\u306e\u8a08\u7b97\u3092<code>forward<\/code>\u30e1\u30bd\u30c3\u30c9\u5185\u3067\u8a18\u8ff0\u3057\u307e\u3059\u3002<\/li>\n<\/ul>\n<\/li>\n\n\n\n<li>\u640d\u5931\u95a2\u6570\u3068\u6700\u9069\u5316\u30a2\u30eb\u30b4\u30ea\u30ba\u30e0\u3092\u5b9a\u7fa9\u3059\u308b\n<ul class=\"wp-block-list\">\n<li>\u30bf\u30b9\u30af\u306e\u76ee\u7684\u306b\u5408\u3063\u305f\u640d\u5931\u95a2\u6570\uff08\u4ea4\u5dee\u30a8\u30f3\u30c8\u30ed\u30d4\u30fc\u3001\u5e73\u5747\u4e8c\u4e57\u8aa4\u5dee\u306a\u3069\uff09\u3092\u9078\u629e\u3057\u307e\u3059\u3002<\/li>\n\n\n\n<li>\u6700\u9069\u5316\u30a2\u30eb\u30b4\u30ea\u30ba\u30e0\uff08SGD\u3001Adam\u3001RMSprop\u306a\u3069\uff09\u3092\u9078\u629e\u3057\u3001\u5b66\u7fd2\u7387\u306a\u3069\u306e\u30cf\u30a4\u30d1\u30fc\u30d1\u30e9\u30e1\u30fc\u30bf\u3092\u8a2d\u5b9a\u3057\u307e\u3059\u3002<\/li>\n<\/ul>\n<\/li>\n\n\n\n<li>\u30c7\u30fc\u30bf\u3092\u30df\u30cb\u30d0\u30c3\u30c1\u306b\u5206\u3051\u3066\u5b66\u7fd2\u3092\u5b9f\u884c\u3059\u308b\n<ul class=\"wp-block-list\">\n<li>\u5b66\u7fd2\u30c7\u30fc\u30bf\u3092<code>DataLoader<\/code>\u306b\u6e21\u3057\u3001\u30df\u30cb\u30d0\u30c3\u30c1\u3092\u4f5c\u6210\u3057\u307e\u3059\u3002<\/li>\n\n\n\n<li>\u30df\u30cb\u30d0\u30c3\u30c1\u3054\u3068\u306b\u4ee5\u4e0b\u306e\u30b9\u30c6\u30c3\u30d7\u3092\u7e70\u308a\u8fd4\u3057\u307e\u3059\u3002\n<ul class=\"wp-block-list\">\n<li>\u9806\u4f1d\u64ad\u3067\u4e88\u6e2c\u5024\u3092\u8a08\u7b97<\/li>\n\n\n\n<li>\u640d\u5931\u95a2\u6570\u3067\u640d\u5931\u3092\u8a08\u7b97<\/li>\n\n\n\n<li>\u9006\u4f1d\u64ad\u3067\u52fe\u914d\u3092\u8a08\u7b97<\/li>\n\n\n\n<li>\u6700\u9069\u5316\u30a2\u30eb\u30b4\u30ea\u30ba\u30e0\u3067\u30d1\u30e9\u30e1\u30fc\u30bf\u3092\u66f4\u65b0<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<\/li>\n\n\n\n<li>\u30c6\u30b9\u30c8\u30c7\u30fc\u30bf\u3067\u8a55\u4fa1\u3059\u308b\n<ul class=\"wp-block-list\">\n<li>\u5b66\u7fd2\u6e08\u307f\u30e2\u30c7\u30eb\u306b\u30c6\u30b9\u30c8\u30c7\u30fc\u30bf\u3092\u5165\u529b\u3057\u3001\u4e88\u6e2c\u5024\u3092\u8a08\u7b97\u3057\u307e\u3059\u3002<\/li>\n\n\n\n<li>\u7cbe\u5ea6\u3084F\u5024\u306a\u3069\u306e\u8a55\u4fa1\u6307\u6a19\u3092\u8a08\u7b97\u3057\u3001\u30e2\u30c7\u30eb\u306e\u6027\u80fd\u3092\u8a55\u4fa1\u3057\u307e\u3059\u3002<\/li>\n<\/ul>\n<\/li>\n<\/ol>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"i-7\">\u30cb\u30e5\u30fc\u30e9\u30eb\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u306e\u69cb\u9020\u3092\u5b9a\u7fa9\u3059\u308b\u969b\u306e\u6ce8\u610f\u70b9<\/h3>\n\n\n\n<p>\u30cb\u30e5\u30fc\u30e9\u30eb\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u306e\u69cb\u9020\u3092\u5b9a\u7fa9\u3059\u308b\u969b\u306f\u3001\u4ee5\u4e0b\u306e\u70b9\u306b\u6ce8\u610f\u304c\u5fc5\u8981\u3067\u3059\u3002<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u5165\u529b\u30c7\u30fc\u30bf\u306e\u6b21\u5143\u6570\u306b\u5408\u308f\u305b\u3066\u3001\u6700\u521d\u306e\u5c64\u306e\u5165\u529b\u30b5\u30a4\u30ba\u3092\u8a2d\u5b9a\u3057\u307e\u3059\u3002<\/li>\n\n\n\n<li>\u4e2d\u9593\u5c64\u306e\u30b5\u30a4\u30ba\u306f\u3001\u9069\u5207\u306a\u5024\u3092\u7d4c\u9a13\u7684\u306b\u9078\u3073\u307e\u3059\uff08\u30cf\u30a4\u30d1\u30fc\u30d1\u30e9\u30e1\u30fc\u30bf\u306e\u4e00\u7a2e\uff09\u3002<\/li>\n\n\n\n<li>\u6700\u7d42\u5c64\u306e\u51fa\u529b\u30b5\u30a4\u30ba\u306f\u3001\u30bf\u30b9\u30af\u306b\u5408\u308f\u305b\u3066\u8a2d\u5b9a\u3057\u307e\u3059\uff08\u5206\u985e\u306a\u3089\u5404\u30af\u30e9\u30b9\u306e\u78ba\u7387\u3001\u56de\u5e30\u306a\u3089\u4e88\u6e2c\u5024\uff09\u3002<\/li>\n\n\n\n<li>\u6d3b\u6027\u5316\u95a2\u6570\u306f\u3001\u30bf\u30b9\u30af\u306b\u5fdc\u3058\u3066\u9069\u5207\u306a\u3082\u306e\u3092\u9078\u629e\u3057\u307e\u3059\uff08ReLU\u3001\u30b7\u30b0\u30e2\u30a4\u30c9\u3001\u30bd\u30d5\u30c8\u30de\u30c3\u30af\u30b9\u306a\u3069\uff09\u3002<\/li>\n<\/ul>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"i-8\">\u640d\u5931\u95a2\u6570\u3068\u6700\u9069\u5316\u30a2\u30eb\u30b4\u30ea\u30ba\u30e0\u3092\u9078\u3076\u30dd\u30a4\u30f3\u30c8<\/h3>\n\n\n\n<p>\u640d\u5931\u95a2\u6570\u3068\u6700\u9069\u5316\u30a2\u30eb\u30b4\u30ea\u30ba\u30e0\u3092\u9078\u3076\u969b\u306f\u3001\u4ee5\u4e0b\u306e\u30dd\u30a4\u30f3\u30c8\u3092\u62bc\u3055\u3048\u307e\u3057\u3087\u3046\u3002<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u640d\u5931\u95a2\u6570\u306f\u3001\u30bf\u30b9\u30af\u306e\u76ee\u7684\u306b\u5408\u3063\u305f\u3082\u306e\u3092\u4f7f\u7528\u3057\u307e\u3059\u3002<\/li>\n\n\n\n<li>\u5206\u985e\u30bf\u30b9\u30af\u306a\u3089\u4ea4\u5dee\u30a8\u30f3\u30c8\u30ed\u30d4\u30fc\u3001\u56de\u5e30\u30bf\u30b9\u30af\u306a\u3089\u5e73\u5747\u4e8c\u4e57\u8aa4\u5dee\u304c\u4e00\u822c\u7684\u3067\u3059\u3002<\/li>\n\n\n\n<li>\u6700\u9069\u5316\u30a2\u30eb\u30b4\u30ea\u30ba\u30e0\u306f\u3001SGD\u3084Adam\u306a\u3069\u306e\u4e00\u822c\u7684\u306a\u624b\u6cd5\u304b\u3089\u9078\u3073\u307e\u3059\u3002<\/li>\n\n\n\n<li>\u5b66\u7fd2\u7387\u306f\u91cd\u8981\u306a\u30cf\u30a4\u30d1\u30fc\u30d1\u30e9\u30e1\u30fc\u30bf\u306e\u4e00\u3064\u3067\u3001\u9069\u5207\u306a\u5024\u3092\u898b\u3064\u3051\u308b\u5fc5\u8981\u304c\u3042\u308a\u307e\u3059\u3002<\/li>\n\n\n\n<li>\u5fc5\u8981\u306b\u5fdc\u3058\u3066\u3001\u5b66\u7fd2\u7387\u306e\u30b9\u30b1\u30b8\u30e5\u30fc\u30ea\u30f3\u30b0\uff08\u5f90\u3005\u306b\u6e1b\u8870\u3055\u305b\u308b\u306a\u3069\uff09\u3092\u884c\u3044\u307e\u3059\u3002<\/li>\n<\/ul>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"i-9\">\u5b66\u7fd2\u6642\u306eTips<\/h3>\n\n\n\n<p>\u30cb\u30e5\u30fc\u30e9\u30eb\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u306e\u5b66\u7fd2\u3092\u52b9\u679c\u7684\u306b\u884c\u3046\u305f\u3081\u306eTips\u3092\u3044\u304f\u3064\u304b\u7d39\u4ecb\u3057\u307e\u3059\u3002<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u5b66\u7fd2\u30c7\u30fc\u30bf\u304c\u5927\u91cf\u306b\u3042\u308b\u5834\u5408\u306f\u3001\u30df\u30cb\u30d0\u30c3\u30c1\u5b66\u7fd2\u3092\u884c\u3044\u307e\u3059\u3002<\/li>\n\n\n\n<li>\u30d0\u30c3\u30c1\u30b5\u30a4\u30ba\u306f\u3001\u30e1\u30e2\u30ea\u5bb9\u91cf\u3068\u5b66\u7fd2\u901f\u5ea6\u306e\u30c8\u30ec\u30fc\u30c9\u30aa\u30d5\u3092\u8003\u3048\u3066\u6c7a\u3081\u307e\u3059\u3002<\/li>\n\n\n\n<li>\u904e\u5b66\u7fd2\u3092\u9632\u3050\u305f\u3081\u306b\u3001\u6b63\u5247\u5316\u624b\u6cd5\u3092\u53d6\u308a\u5165\u308c\u307e\u3059\u3002<\/li>\n\n\n\n<li>L1\/L2\u6b63\u5247\u5316\u3001\u30c9\u30ed\u30c3\u30d7\u30a2\u30a6\u30c8\u3001\u65e9\u671f\u7d42\u4e86\u306a\u3069\u304c\u4ee3\u8868\u7684\u306a\u624b\u6cd5\u3067\u3059\u3002<\/li>\n\n\n\n<li>\u5b66\u7fd2\u66f2\u7dda\u3092\u30d7\u30ed\u30c3\u30c8\u3057\u3001\u5b66\u7fd2\u306e\u9032\u6357\u3092\u78ba\u8a8d\u3057\u307e\u3059\u3002<\/li>\n\n\n\n<li>\u640d\u5931\u306e\u63a8\u79fb\u3084\u3001\u5b66\u7fd2\u30c7\u30fc\u30bf\u3068\u30c6\u30b9\u30c8\u30c7\u30fc\u30bf\u306e\u7cbe\u5ea6\u306e\u5dee\uff08\u6c4e\u5316\u6027\u80fd\uff09\u3092\u30e2\u30cb\u30bf\u30ea\u30f3\u30b0\u3057\u307e\u3059\u3002<\/li>\n<\/ul>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"i-10\">\u30b7\u30f3\u30d7\u30eb\u306a\u30cb\u30e5\u30fc\u30e9\u30eb\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u3092\u69cb\u7bc9\u3057\u3066\u307f\u3088\u3046<\/h3>\n\n\n\n<p>\u305d\u308c\u3067\u306f\u3001PyTorch\u3092\u4f7f\u3063\u3066\u30b7\u30f3\u30d7\u30eb\u306a\u5168\u7d50\u5408\u30cb\u30e5\u30fc\u30e9\u30eb\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u3092\u5b9f\u88c5\u3057\u3066\u307f\u307e\u3057\u3087\u3046\u3002\u3053\u3053\u3067\u306f\u3001\u624b\u66f8\u304d\u6570\u5b57\u753b\u50cf\u306e\u30c7\u30fc\u30bf\u30bb\u30c3\u30c8\u3067\u3042\u308bMNIST\u3092\u4f7f\u3063\u305f\u591a\u30af\u30e9\u30b9\u5206\u985e\u3092\u4f8b\u306b\u89e3\u8aac\u3057\u307e\u3059\u3002<\/p>\n\n\n\n<pre class=\"EnlighterJSRAW\" data-enlighter-language=\"generic\" data-enlighter-theme=\"\" data-enlighter-highlight=\"\" data-enlighter-linenumbers=\"\" data-enlighter-lineoffset=\"\" data-enlighter-title=\"\" data-enlighter-group=\"\">import torch\nimport torch.nn as nn\nimport torch.optim as optim\nfrom torchvision import datasets, transforms\n\n# \u30cf\u30a4\u30d1\u30fc\u30d1\u30e9\u30e1\u30fc\u30bf\u306e\u8a2d\u5b9a\ninput_size = 784\nhidden_size = 500\nnum_classes = 10\nnum_epochs = 5\nbatch_size = 100\nlearning_rate = 0.001\n\n# MNIST\u30c7\u30fc\u30bf\u30bb\u30c3\u30c8\u306e\u8aad\u307f\u8fbc\u307f\ntrain_dataset = datasets.MNIST(root='.\/data', \n                               train=True, \n                               transform=transforms.ToTensor(),\n                               download=True)\n\ntest_dataset = datasets.MNIST(root='.\/data', \n                              train=False, \n                              transform=transforms.ToTensor())\n\n# \u30c7\u30fc\u30bf\u30ed\u30fc\u30c0\u30fc\u306e\u4f5c\u6210\ntrain_loader = torch.utils.data.DataLoader(dataset=train_dataset, \n                                           batch_size=batch_size, \n                                           shuffle=True)\n\ntest_loader = torch.utils.data.DataLoader(dataset=test_dataset, \n                                          batch_size=batch_size, \n                                          shuffle=False)\n\n# \u30cb\u30e5\u30fc\u30e9\u30eb\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u306e\u5b9a\u7fa9\nclass Net(nn.Module):\n    def __init__(self, input_size, hidden_size, num_classes):\n        super(Net, self).__init__()\n        self.fc1 = nn.Linear(input_size, hidden_size) \n        self.relu = nn.ReLU()\n        self.fc2 = nn.Linear(hidden_size, num_classes)  \n\n    def forward(self, x):\n        out = self.fc1(x)\n        out = self.relu(out)\n        out = self.fc2(out)\n        return out\n\n# \u30e2\u30c7\u30eb\u3001\u640d\u5931\u95a2\u6570\u3001\u6700\u9069\u5316\u30a2\u30eb\u30b4\u30ea\u30ba\u30e0\u306e\u5b9a\u7fa9\nmodel = Net(input_size, hidden_size, num_classes)\ncriterion = nn.CrossEntropyLoss()\noptimizer = optim.Adam(model.parameters(), lr=learning_rate)  \n\n# \u5b66\u7fd2\u306e\u5b9f\u884c\ntotal_step = len(train_loader)\nfor epoch in range(num_epochs):\n    for i, (images, labels) in enumerate(train_loader):  \n        # \u753b\u50cf\u30921\u6b21\u5143\u30d9\u30af\u30c8\u30eb\u306b\u5909\u63db\n        images = images.reshape(-1, 28*28)\n\n        # \u9806\u4f1d\u64ad\n        outputs = model(images)\n        loss = criterion(outputs, labels)\n\n        # \u9006\u4f1d\u64ad\u3068\u6700\u9069\u5316\n        optimizer.zero_grad()\n        loss.backward()\n        optimizer.step()\n\n        if (i+1) % 100 == 0:\n            print(f'Epoch [{epoch+1}\/{num_epochs}], Step [{i+1}\/{total_step}], Loss: {loss.item():.4f}')\n\n# \u30c6\u30b9\u30c8\u30c7\u30fc\u30bf\u3067\u306e\u8a55\u4fa1\nmodel.eval()\nwith torch.no_grad():\n    correct = 0\n    total = 0\n    for images, labels in test_loader:\n        images = images.reshape(-1, 28*28)\n        outputs = model(images)\n        _, predicted = torch.max(outputs.data, 1)\n        total += labels.size(0)\n        correct += (predicted == labels).sum().item()\n\n    print(f'Accuracy of the network on the 10000 test images: {100 * correct \/ total}%')<\/pre>\n\n\n\n<p>\u3053\u306e\u30b3\u30fc\u30c9\u3067\u306f\u3001\u4ee5\u4e0b\u306e\u624b\u9806\u3067\u30cb\u30e5\u30fc\u30e9\u30eb\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u3092\u69cb\u7bc9\u3057\u3001\u5b66\u7fd2\u3068\u8a55\u4fa1\u3092\u884c\u3063\u3066\u3044\u307e\u3059\u3002<\/p>\n\n\n\n<ol class=\"wp-block-list\">\n<li>\u30cf\u30a4\u30d1\u30fc\u30d1\u30e9\u30e1\u30fc\u30bf\u3092\u8a2d\u5b9a<\/li>\n\n\n\n<li>MNIST\u30c7\u30fc\u30bf\u30bb\u30c3\u30c8\u3092\u8aad\u307f\u8fbc\u307f\u3001\u30c7\u30fc\u30bf\u30ed\u30fc\u30c0\u30fc\u3092\u4f5c\u6210<\/li>\n\n\n\n<li>\u30cb\u30e5\u30fc\u30e9\u30eb\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u306e\u69cb\u9020\u3092\u5b9a\u7fa9<\/li>\n\n\n\n<li>\u640d\u5931\u95a2\u6570\u3068\u6700\u9069\u5316\u30a2\u30eb\u30b4\u30ea\u30ba\u30e0\u3092\u5b9a\u7fa9<\/li>\n\n\n\n<li>\u5b66\u7fd2\u30eb\u30fc\u30d7\u3092\u5b9f\u884c\u3057\u3001\u30df\u30cb\u30d0\u30c3\u30c1\u3054\u3068\u306b\u30d1\u30e9\u30e1\u30fc\u30bf\u3092\u66f4\u65b0<\/li>\n\n\n\n<li>\u30c6\u30b9\u30c8\u30c7\u30fc\u30bf\u3092\u7528\u3044\u3066\u30e2\u30c7\u30eb\u306e\u6027\u80fd\u3092\u8a55\u4fa1<\/li>\n<\/ol>\n\n\n\n<p>\u3053\u306e\u3088\u3046\u306b\u3001PyTorch\u3092\u4f7f\u3046\u3053\u3068\u3067\u3001\u308f\u305a\u304b\u6570\u5341\u884c\u306e\u30b3\u30fc\u30c9\u3067\u30cb\u30e5\u30fc\u30e9\u30eb\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u3092\u5b9f\u88c5\u3057\u3001\u6a5f\u68b0\u5b66\u7fd2\u30e2\u30c7\u30eb\u3092\u69cb\u7bc9\u3059\u308b\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002<\/p>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"i-11\">\u30cb\u30e5\u30fc\u30e9\u30eb\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u306e\u5b66\u7fd2\u3068\u8a55\u4fa1\u306e\u4ed5\u65b9<\/h3>\n\n\n\n<p>\u3053\u3053\u3067\u306f\u3001\u30cb\u30e5\u30fc\u30e9\u30eb\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u306e\u5b66\u7fd2\u3068\u8a55\u4fa1\u306e\u4ed5\u7d44\u307f\u306b\u3064\u3044\u3066\u3001\u3082\u3046\u5c11\u3057\u8a73\u3057\u304f\u898b\u3066\u3044\u304d\u307e\u3057\u3087\u3046\u3002<\/p>\n\n\n\n<p>\u30cb\u30e5\u30fc\u30e9\u30eb\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u306e\u5b66\u7fd2\u306f\u3001\u4ee5\u4e0b\u306e\u624b\u9806\u3067\u884c\u308f\u308c\u307e\u3059\u3002<\/p>\n\n\n\n<ol class=\"wp-block-list\">\n<li>\u9806\u4f1d\u64ad\uff1a\u5165\u529b\u30c7\u30fc\u30bf\u3092\u30cb\u30e5\u30fc\u30e9\u30eb\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u306b\u4e0e\u3048\u3001\u5404\u5c64\u3067\u306e\u8a08\u7b97\u3092\u7d4c\u3066\u6700\u7d42\u7684\u306a\u51fa\u529b\u3092\u5f97\u307e\u3059\u3002<\/li>\n\n\n\n<li>\u640d\u5931\u306e\u8a08\u7b97\uff1a\u51fa\u529b\u3068\u6b63\u89e3\u30e9\u30d9\u30eb\u3092\u6bd4\u8f03\u3057\u3001\u640d\u5931\u95a2\u6570\u3092\u7528\u3044\u3066\u640d\u5931\u3092\u8a08\u7b97\u3057\u307e\u3059\u3002<\/li>\n\n\n\n<li>\u9006\u4f1d\u64ad\uff1a\u640d\u5931\u306b\u5bfe\u3059\u308b\u5404\u30d1\u30e9\u30e1\u30fc\u30bf\u306e\u52fe\u914d\u3092\u3001\u9023\u9396\u5f8b\u3092\u7528\u3044\u3066\u52b9\u7387\u7684\u306b\u8a08\u7b97\u3057\u307e\u3059\u3002<\/li>\n\n\n\n<li>\u30d1\u30e9\u30e1\u30fc\u30bf\u306e\u66f4\u65b0\uff1a\u8a08\u7b97\u3057\u305f\u52fe\u914d\u3092\u7528\u3044\u3066\u3001\u6700\u9069\u5316\u30a2\u30eb\u30b4\u30ea\u30ba\u30e0\u306b\u3088\u308a\u30d1\u30e9\u30e1\u30fc\u30bf\u3092\u66f4\u65b0\u3057\u307e\u3059\u3002<\/li>\n<\/ol>\n\n\n\n<p>\u3053\u308c\u3089\u306e\u30b9\u30c6\u30c3\u30d7\u3092\u3001\u30df\u30cb\u30d0\u30c3\u30c1\u3054\u3068\u306b\u7e70\u308a\u8fd4\u3057\u884c\u3046\u3053\u3068\u3067\u3001\u30cb\u30e5\u30fc\u30e9\u30eb\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u306f\u5f90\u3005\u306b\u6700\u9069\u306a\u30d1\u30e9\u30e1\u30fc\u30bf\u3092\u5b66\u7fd2\u3057\u3066\u3044\u304d\u307e\u3059\u3002<\/p>\n\n\n\n<p>\u5b66\u7fd2\u6e08\u307f\u30e2\u30c7\u30eb\u306e\u8a55\u4fa1\u306f\u3001\u5b66\u7fd2\u306b\u4f7f\u7528\u3057\u306a\u304b\u3063\u305f\u30c6\u30b9\u30c8\u30c7\u30fc\u30bf\u3092\u7528\u3044\u3066\u884c\u3044\u307e\u3059\u3002\u30c6\u30b9\u30c8\u30c7\u30fc\u30bf\u306b\u5bfe\u3059\u308b\u4e88\u6e2c\u7d50\u679c\u3068\u6b63\u89e3\u30e9\u30d9\u30eb\u3092\u6bd4\u8f03\u3057\u3001\u7cbe\u5ea6\u3084\u9069\u5408\u7387\u3001\u518d\u73fe\u7387\u3001F\u5024\u306a\u3069\u306e\u8a55\u4fa1\u6307\u6a19\u3092\u8a08\u7b97\u3059\u308b\u3053\u3068\u3067\u3001\u30e2\u30c7\u30eb\u306e\u6027\u80fd\u3092\u6e2c\u308a\u307e\u3059\u3002<\/p>\n\n\n\n<p>\u307e\u305f\u3001\u5b66\u7fd2\u66f2\u7dda\u3084\u6df7\u540c\u884c\u5217\u3092\u53ef\u8996\u5316\u3059\u308b\u3053\u3068\u3067\u3001\u30e2\u30c7\u30eb\u306e\u5b66\u7fd2\u72b6\u6cc1\u3084\u4e88\u6e2c\u7d50\u679c\u306e\u50be\u5411\u3092\u5206\u6790\u3059\u308b\u3053\u3068\u3082\u3067\u304d\u307e\u3059\u3002\u3053\u308c\u3089\u306e\u60c5\u5831\u3092\u57fa\u306b\u3001\u30cf\u30a4\u30d1\u30fc\u30d1\u30e9\u30e1\u30fc\u30bf\u306e\u8abf\u6574\u3084\u30e2\u30c7\u30eb\u306e\u6539\u826f\u3092\u884c\u3063\u3066\u3044\u304d\u307e\u3059\u3002<\/p>\n\n\n\n<p>\u4ee5\u4e0a\u304c\u3001PyTorch\u3092\u4f7f\u3063\u305f\u30cb\u30e5\u30fc\u30e9\u30eb\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u306e\u5b9f\u88c5\u3068\u5b66\u7fd2\u30fb\u8a55\u4fa1\u306e\u57fa\u672c\u7684\u306a\u6d41\u308c\u306b\u306a\u308a\u307e\u3059\u3002\u3053\u306e\u7ae0\u3067\u5b66\u3093\u3060\u5185\u5bb9\u3092\u8e0f\u307e\u3048\u3066\u3001\u6b21\u7ae0\u3067\u306f\u753b\u50cf\u8a8d\u8b58\u30e2\u30c7\u30eb\u306e\u69cb\u7bc9\u306b\u6311\u6226\u3057\u3066\u307f\u307e\u3057\u3087\u3046\u3002<\/p>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"i-12\">PyTorch\u3067\u753b\u50cf\u8a8d\u8b58\u30e2\u30c7\u30eb\u3092\u4f5c\u3063\u3066\u307f\u3088\u3046\u2460<\/h2>\n\n\n\n<p>\u524d\u7ae0\u3067\u306f\u3001\u30cb\u30e5\u30fc\u30e9\u30eb\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u306e\u57fa\u790e\u3068PyTorch\u3067\u306e\u5b9f\u88c5\u65b9\u6cd5\u306b\u3064\u3044\u3066\u5b66\u3073\u307e\u3057\u305f\u3002\u672c\u7ae0\u3067\u306f\u3001\u305d\u306e\u77e5\u8b58\u3092\u6d3b\u304b\u3057\u3066\u3001\u5b9f\u969b\u306b\u753b\u50cf\u8a8d\u8b58\u30e2\u30c7\u30eb\u3092\u69cb\u7bc9\u3057\u3066\u3044\u304d\u307e\u3059\u3002\u753b\u50cf\u8a8d\u8b58\u3067\u306f\u3001\u7573\u307f\u8fbc\u307f\u30cb\u30e5\u30fc\u30e9\u30eb\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\uff08CNN\uff09\u304c\u5e83\u304f\u4f7f\u7528\u3055\u308c\u3066\u3044\u307e\u3059\u3002\u3053\u3053\u3067\u306f\u3001CNN\u306e\u4ed5\u7d44\u307f\u3092\u7406\u89e3\u3057\u3001PyTorch\u3092\u4f7f\u3063\u3066CNN\u30e2\u30c7\u30eb\u3092\u5b9f\u88c5\u3059\u308b\u65b9\u6cd5\u3092\u89e3\u8aac\u3057\u307e\u3059\u3002<\/p>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"i-13\">\u7573\u307f\u8fbc\u307f\u30cb\u30e5\u30fc\u30e9\u30eb\u30cd\u30c3\u30c8\u30ef\u30fc\u30af(CNN)\u306e\u4ed5\u7d44\u307f<\/h3>\n\n\n\n<p>CNN\u306f\u3001\u753b\u50cf\u30c7\u30fc\u30bf\u304b\u3089\u7279\u5fb4\u91cf\u3092\u62bd\u51fa\u3057\u3001\u305d\u306e\u7279\u5fb4\u91cf\u3092\u3082\u3068\u306b\u5206\u985e\u3084\u56de\u5e30\u3092\u884c\u3046\u30c7\u30a3\u30fc\u30d7\u30e9\u30fc\u30cb\u30f3\u30b0\u30e2\u30c7\u30eb\u3067\u3059\u3002CNN\u306f\u3001\u4ee5\u4e0b\u306e3\u3064\u306e\u5c64\u3092\u7d44\u307f\u5408\u308f\u305b\u3066\u69cb\u6210\u3055\u308c\u307e\u3059\u3002<\/p>\n\n\n\n<ol class=\"wp-block-list\">\n<li>\u7573\u307f\u8fbc\u307f\u5c64\uff08Convolutional Layer\uff09\n<ul class=\"wp-block-list\">\n<li>\u5165\u529b\u753b\u50cf\u306b\u5bfe\u3057\u3066\u30d5\u30a3\u30eb\u30bf\uff08\u30ab\u30fc\u30cd\u30eb\uff09\u3092\u9069\u7528\u3057\u3001\u7279\u5fb4\u91cf\u3092\u62bd\u51fa\u3057\u307e\u3059\u3002<\/li>\n\n\n\n<li>\u30d5\u30a3\u30eb\u30bf\u306e\u5024\u306f\u5b66\u7fd2\u53ef\u80fd\u306a\u30d1\u30e9\u30e1\u30fc\u30bf\u3067\u3042\u308a\u3001\u5b66\u7fd2\u3092\u901a\u3058\u3066\u6700\u9069\u5316\u3055\u308c\u307e\u3059\u3002<\/li>\n\n\n\n<li>\u8907\u6570\u306e\u30d5\u30a3\u30eb\u30bf\u3092\u7528\u3044\u308b\u3053\u3068\u3067\u3001\u69d8\u3005\u306a\u7279\u5fb4\u3092\u62bd\u51fa\u3059\u308b\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002<\/li>\n<\/ul>\n<\/li>\n\n\n\n<li>\u30d7\u30fc\u30ea\u30f3\u30b0\u5c64\uff08Pooling Layer\uff09\n<ul class=\"wp-block-list\">\n<li>\u7573\u307f\u8fbc\u307f\u5c64\u306e\u51fa\u529b\u306b\u5bfe\u3057\u3066\u3001\u7a7a\u9593\u7684\u306a\u30c0\u30a6\u30f3\u30b5\u30f3\u30d7\u30ea\u30f3\u30b0\u3092\u884c\u3044\u307e\u3059\u3002<\/li>\n\n\n\n<li>\u4e00\u822c\u7684\u306b\u306f\u3001\u6700\u5927\u5024\u30d7\u30fc\u30ea\u30f3\u30b0\uff08Max Pooling\uff09\u304c\u4f7f\u7528\u3055\u308c\u307e\u3059\u3002<\/li>\n\n\n\n<li>\u30d7\u30fc\u30ea\u30f3\u30b0\u5c64\u3092\u631f\u3080\u3053\u3068\u3067\u3001\u7279\u5fb4\u91cf\u306e\u4f4d\u7f6e\u306e\u5fae\u5c0f\u306a\u5909\u5316\u306b\u5bfe\u3059\u308b\u4e0d\u5909\u6027\u3092\u7372\u5f97\u3067\u304d\u307e\u3059\u3002<\/li>\n<\/ul>\n<\/li>\n\n\n\n<li>\u5168\u7d50\u5408\u5c64\uff08Fully Connected Layer\uff09\n<ul class=\"wp-block-list\">\n<li>CNN\u306e\u6700\u7d42\u5c64\u3067\u306f\u3001\u62bd\u51fa\u3055\u308c\u305f\u7279\u5fb4\u91cf\u3092\u30d9\u30af\u30c8\u30eb\u5316\u3057\u3001\u5168\u7d50\u5408\u5c64\u306b\u5165\u529b\u3057\u307e\u3059\u3002<\/li>\n\n\n\n<li>\u5168\u7d50\u5408\u5c64\u3067\u306f\u3001\u5165\u529b\u3055\u308c\u305f\u7279\u5fb4\u91cf\u3092\u3082\u3068\u306b\u3001\u6700\u7d42\u7684\u306a\u5206\u985e\u3084\u56de\u5e30\u3092\u884c\u3044\u307e\u3059\u3002<\/li>\n<\/ul>\n<\/li>\n<\/ol>\n\n\n\n<p>\u3053\u308c\u3089\u306e\u5c64\u3092\u8907\u6570\u7d44\u307f\u5408\u308f\u305b\u308b\u3053\u3068\u3067\u3001CNN\u306f\u753b\u50cf\u5185\u306e\u5c40\u6240\u7684\u306a\u7279\u5fb4\u3092\u968e\u5c64\u7684\u306b\u62bd\u51fa\u3057\u3001\u9ad8\u6b21\u5143\u306e\u7279\u5fb4\u8868\u73fe\u3092\u5b66\u7fd2\u3059\u308b\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002<\/p>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"i-14\">CNN\u306e\u4e3b\u306a\u5229\u70b9<\/h3>\n\n\n\n<p>CNN\u306f\u3001\u4ee5\u4e0b\u306e\u3088\u3046\u306a\u5229\u70b9\u3092\u6301\u3064\u305f\u3081\u3001\u753b\u50cf\u8a8d\u8b58\u30bf\u30b9\u30af\u3067\u5e83\u304f\u4f7f\u7528\u3055\u308c\u3066\u3044\u307e\u3059\u3002<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u5c40\u6240\u7684\u306a\u7279\u5fb4\u91cf\u3092\u52b9\u679c\u7684\u306b\u62bd\u51fa\u3067\u304d\u308b<\/li>\n\n\n\n<li>\u7a7a\u9593\u7684\u306a\u4e0d\u5909\u6027\u3092\u7372\u5f97\u3067\u304d\u308b<\/li>\n\n\n\n<li>\u30d1\u30e9\u30e1\u30fc\u30bf\u6570\u3092\u6291\u3048\u3064\u3064\u3001\u9ad8\u3044\u8868\u73fe\u529b\u3092\u6301\u3064<\/li>\n\n\n\n<li>\u6df1\u3044\u5c64\u3092\u7a4d\u307f\u91cd\u306d\u308b\u3053\u3068\u3067\u3001\u8907\u96d1\u306a\u7279\u5fb4\u3092\u5b66\u7fd2\u3067\u304d\u308b<\/li>\n<\/ul>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"i-15\">CNN\u306e\u5fdc\u7528\u4f8b<\/h3>\n\n\n\n<p>CNN\u306f\u3001\u4ee5\u4e0b\u306e\u3088\u3046\u306a\u69d8\u3005\u306a\u753b\u50cf\u8a8d\u8b58\u30bf\u30b9\u30af\u306b\u5fdc\u7528\u3055\u308c\u3066\u3044\u307e\u3059\u3002<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u7269\u4f53\u691c\u51fa\uff08Object Detection\uff09<\/li>\n\n\n\n<li>\u753b\u50cf\u5206\u985e\uff08Image Classification\uff09<\/li>\n\n\n\n<li>\u610f\u5473\u9818\u57df\u5206\u5272\uff08Semantic Segmentation\uff09<\/li>\n\n\n\n<li>\u753b\u50cf\u751f\u6210\uff08Image Generation\uff09<\/li>\n<\/ul>\n\n\n\n<p>\u3053\u308c\u3089\u306e\u30bf\u30b9\u30af\u3067\u306f\u3001CNN\u3092\u30d9\u30fc\u30b9\u306b\u3057\u305f\u69d8\u3005\u306a\u30a2\u30fc\u30ad\u30c6\u30af\u30c1\u30e3\u304c\u63d0\u6848\u3055\u308c\u3066\u304a\u308a\u3001\u9ad8\u3044\u6027\u80fd\u3092\u9054\u6210\u3057\u3066\u3044\u307e\u3059\u3002<\/p>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"i-16\">PyTorch\u3067CNN\u30e2\u30c7\u30eb\u3092\u69cb\u7bc9\u3059\u308b\u624b\u9806<\/h3>\n\n\n\n<p>PyTorch\u3092\u4f7f\u3063\u3066CNN\u30e2\u30c7\u30eb\u3092\u69cb\u7bc9\u3059\u308b\u624b\u9806\u306f\u3001\u4ee5\u4e0b\u306e\u901a\u308a\u3067\u3059\u3002<\/p>\n\n\n\n<ol class=\"wp-block-list\">\n<li>\u30cb\u30e5\u30fc\u30e9\u30eb\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u306e\u69cb\u9020\u3092\u5b9a\u7fa9\u3059\u308b\n<ul class=\"wp-block-list\">\n<li><code>torch.nn.Module<\/code>\u3092\u7d99\u627f\u3057\u305f\u30af\u30e9\u30b9\u3092\u4f5c\u6210\u3057\u307e\u3059\u3002<\/li>\n\n\n\n<li>\u7573\u307f\u8fbc\u307f\u5c64\u3001\u30d7\u30fc\u30ea\u30f3\u30b0\u5c64\u3001\u5168\u7d50\u5408\u5c64\u306a\u3069\u3092\u7d44\u307f\u5408\u308f\u305b\u3066\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u3092\u5b9a\u7fa9\u3057\u307e\u3059\u3002<\/li>\n\n\n\n<li>\u9806\u4f1d\u64ad\u306e\u8a08\u7b97\u3092<code>forward<\/code>\u30e1\u30bd\u30c3\u30c9\u5185\u3067\u8a18\u8ff0\u3057\u307e\u3059\u3002<\/li>\n<\/ul>\n<\/li>\n\n\n\n<li>\u640d\u5931\u95a2\u6570\u3068\u6700\u9069\u5316\u30a2\u30eb\u30b4\u30ea\u30ba\u30e0\u3092\u5b9a\u7fa9\u3059\u308b\n<ul class=\"wp-block-list\">\n<li>\u30bf\u30b9\u30af\u306b\u5fdc\u3058\u305f\u640d\u5931\u95a2\u6570\uff08\u4ea4\u5dee\u30a8\u30f3\u30c8\u30ed\u30d4\u30fc\u306a\u3069\uff09\u3092\u9078\u629e\u3057\u307e\u3059\u3002<\/li>\n\n\n\n<li>\u6700\u9069\u5316\u30a2\u30eb\u30b4\u30ea\u30ba\u30e0\uff08SGD\u3001Adam\u306a\u3069\uff09\u3092\u9078\u629e\u3057\u3001\u5b66\u7fd2\u7387\u306a\u3069\u306e\u30cf\u30a4\u30d1\u30fc\u30d1\u30e9\u30e1\u30fc\u30bf\u3092\u8a2d\u5b9a\u3057\u307e\u3059\u3002<\/li>\n<\/ul>\n<\/li>\n\n\n\n<li>\u30c7\u30fc\u30bf\u306e\u524d\u51e6\u7406\u3092\u884c\u3046\n<ul class=\"wp-block-list\">\n<li>\u753b\u50cf\u30c7\u30fc\u30bf\u3092\u8aad\u307f\u8fbc\u307f\u3001\u6b63\u898f\u5316\u3084\u6a19\u6e96\u5316\u306a\u3069\u306e\u524d\u51e6\u7406\u3092\u884c\u3044\u307e\u3059\u3002<\/li>\n\n\n\n<li>\u30c7\u30fc\u30bf\u62e1\u5f35\uff08Data Augmentation\uff09\u3092\u9069\u7528\u3059\u308b\u3053\u3068\u3067\u3001\u30e2\u30c7\u30eb\u306e\u6c4e\u5316\u6027\u80fd\u3092\u5411\u4e0a\u3055\u305b\u308b\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002<\/li>\n<\/ul>\n<\/li>\n\n\n\n<li>\u30e2\u30c7\u30eb\u3092\u5b66\u7fd2\u3055\u305b\u308b\n<ul class=\"wp-block-list\">\n<li>\u524d\u51e6\u7406\u3057\u305f\u753b\u50cf\u30c7\u30fc\u30bf\u3092\u30df\u30cb\u30d0\u30c3\u30c1\u306b\u5206\u3051\u3001\u30e2\u30c7\u30eb\u306b\u5165\u529b\u3057\u307e\u3059\u3002<\/li>\n\n\n\n<li>\u9806\u4f1d\u64ad\u3067\u4e88\u6e2c\u5024\u3092\u8a08\u7b97\u3057\u3001\u640d\u5931\u95a2\u6570\u3067\u640d\u5931\u3092\u8a08\u7b97\u3057\u307e\u3059\u3002<\/li>\n\n\n\n<li>\u9006\u4f1d\u64ad\u3067\u52fe\u914d\u3092\u8a08\u7b97\u3057\u3001\u6700\u9069\u5316\u30a2\u30eb\u30b4\u30ea\u30ba\u30e0\u3067\u30d1\u30e9\u30e1\u30fc\u30bf\u3092\u66f4\u65b0\u3057\u307e\u3059\u3002<\/li>\n<\/ul>\n<\/li>\n\n\n\n<li>\u30e2\u30c7\u30eb\u3092\u8a55\u4fa1\u3059\u308b\n<ul class=\"wp-block-list\">\n<li>\u5b66\u7fd2\u6e08\u307f\u30e2\u30c7\u30eb\u306b\u30c6\u30b9\u30c8\u30c7\u30fc\u30bf\u3092\u5165\u529b\u3057\u3001\u4e88\u6e2c\u5024\u3092\u8a08\u7b97\u3057\u307e\u3059\u3002<\/li>\n\n\n\n<li>\u7cbe\u5ea6\u3084\u9069\u5408\u7387\u3001\u518d\u73fe\u7387\u306a\u3069\u306e\u8a55\u4fa1\u6307\u6a19\u3092\u8a08\u7b97\u3057\u3001\u30e2\u30c7\u30eb\u306e\u6027\u80fd\u3092\u8a55\u4fa1\u3057\u307e\u3059\u3002<\/li>\n<\/ul>\n<\/li>\n<\/ol>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"i-17\">PyTorch\u3067CNN\u3092\u5b9f\u88c5\u3059\u308b\u969b\u306eTips<\/h3>\n\n\n\n<p>PyTorch\u3067CNN\u3092\u5b9f\u88c5\u3059\u308b\u969b\u306f\u3001\u4ee5\u4e0b\u306e\u3088\u3046\u306aTips\u3092\u53c2\u8003\u306b\u3059\u308b\u3068\u826f\u3044\u3067\u3057\u3087\u3046\u3002<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u7573\u307f\u8fbc\u307f\u5c64\u3084\u30d7\u30fc\u30ea\u30f3\u30b0\u5c64\u306e\u30ab\u30fc\u30cd\u30eb\u30b5\u30a4\u30ba\u3001\u30b9\u30c8\u30e9\u30a4\u30c9\u3001\u30d1\u30c7\u30a3\u30f3\u30b0\u3092\u9069\u5207\u306b\u8a2d\u5b9a\u3059\u308b<\/li>\n\n\n\n<li>\u6d3b\u6027\u5316\u95a2\u6570\u306f\u3001ReLU\u3084LeakyReLU\u306a\u3069\u3092\u4f7f\u7528\u3059\u308b<\/li>\n\n\n\n<li>\u30d0\u30c3\u30c1\u6b63\u898f\u5316\uff08Batch Normalization\uff09\u3092\u9069\u7528\u3059\u308b\u3053\u3068\u3067\u3001\u5b66\u7fd2\u3092\u5b89\u5b9a\u5316\u3055\u305b\u308b<\/li>\n\n\n\n<li>\u30c9\u30ed\u30c3\u30d7\u30a2\u30a6\u30c8\uff08Dropout\uff09\u3092\u9069\u7528\u3059\u308b\u3053\u3068\u3067\u3001\u904e\u5b66\u7fd2\u3092\u6291\u5236\u3059\u308b<\/li>\n\n\n\n<li>\u5b66\u7fd2\u7387\u306e\u30b9\u30b1\u30b8\u30e5\u30fc\u30ea\u30f3\u30b0\u3092\u884c\u3046\u3053\u3068\u3067\u3001\u5b66\u7fd2\u3092\u52b9\u7387\u5316\u3059\u308b<\/li>\n<\/ul>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"i-18\">PyTorch\u3067\u753b\u50cf\u8a8d\u8b58\u30e2\u30c7\u30eb\u3092\u4f5c\u3063\u3066\u307f\u3088\u3046\u2461<\/h2>\n\n\n\n<p>\u305d\u308c\u3067\u306f\u3001\u5b9f\u969b\u306bPyTorch\u3092\u4f7f\u3063\u3066CNN\u30e2\u30c7\u30eb\u3092\u69cb\u7bc9\u3057\u3001\u5b66\u7fd2\u3055\u305b\u3066\u307f\u307e\u3057\u3087\u3046\u3002\u3053\u3053\u3067\u306f\u3001CIFAR-10\u30c7\u30fc\u30bf\u30bb\u30c3\u30c8\u3092\u4f7f\u7528\u3057\u307e\u3059\u3002<\/p>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"i-19\">\u5fc5\u8981\u306a\u30e9\u30a4\u30d6\u30e9\u30ea\u306e\u30a4\u30f3\u30dd\u30fc\u30c8<\/h3>\n\n\n\n<p>\u307e\u305a\u3001\u5fc5\u8981\u306a\u30e9\u30a4\u30d6\u30e9\u30ea\u3092\u30a4\u30f3\u30dd\u30fc\u30c8\u3057\u307e\u3059\u3002<\/p>\n\n\n\n<pre class=\"EnlighterJSRAW\" data-enlighter-language=\"generic\" data-enlighter-theme=\"\" data-enlighter-highlight=\"\" data-enlighter-linenumbers=\"\" data-enlighter-lineoffset=\"\" data-enlighter-title=\"\" data-enlighter-group=\"\">import torch\nimport torch.nn as nn\nimport torch.optim as optim\nimport torchvision\nimport torchvision.transforms as transforms<\/pre>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"i-20\">\u30c7\u30fc\u30bf\u306e\u524d\u51e6\u7406<\/h3>\n\n\n\n<p>\u6b21\u306b\u3001CIFAR-10\u30c7\u30fc\u30bf\u30bb\u30c3\u30c8\u3092\u30c0\u30a6\u30f3\u30ed\u30fc\u30c9\u3057\u3001\u524d\u51e6\u7406\u3092\u884c\u3044\u307e\u3059\u3002<\/p>\n\n\n\n<pre class=\"EnlighterJSRAW\" data-enlighter-language=\"generic\" data-enlighter-theme=\"\" data-enlighter-highlight=\"\" data-enlighter-linenumbers=\"\" data-enlighter-lineoffset=\"\" data-enlighter-title=\"\" data-enlighter-group=\"\">transform = transforms.Compose([\n    transforms.ToTensor(),\n    transforms.Normalize((0.5, 0.5, 0.5), (0.5, 0.5, 0.5))\n])\n\ntrainset = torchvision.datasets.CIFAR10(root='.\/data', train=True, download=True, transform=transform)\ntrainloader = torch.utils.data.DataLoader(trainset, batch_size=4, shuffle=True, num_workers=2)\n\ntestset = torchvision.datasets.CIFAR10(root='.\/data', train=False, download=True, transform=transform)\ntestloader = torch.utils.data.DataLoader(testset, batch_size=4, shuffle=False, num_workers=2)<\/pre>\n\n\n\n<p>\u3053\u3053\u3067\u306f\u3001\u753b\u50cf\u30c7\u30fc\u30bf\u3092<code>ToTensor<\/code>\u3067<code>Tensor<\/code>\u306b\u5909\u63db\u3057\u3001<code>Normalize<\/code>\u3067\u6b63\u898f\u5316\u3057\u3066\u3044\u307e\u3059\u3002\u307e\u305f\u3001<code>DataLoader<\/code>\u3092\u4f7f\u3063\u3066\u30df\u30cb\u30d0\u30c3\u30c1\u3092\u4f5c\u6210\u3057\u3066\u3044\u307e\u3059\u3002<\/p>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"i-21\">\u30cb\u30e5\u30fc\u30e9\u30eb\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u306e\u5b9a\u7fa9<\/h3>\n\n\n\n<p>\u7d9a\u3044\u3066\u3001CNN\u30e2\u30c7\u30eb\u3092\u5b9a\u7fa9\u3057\u307e\u3059\u3002<\/p>\n\n\n\n<pre class=\"EnlighterJSRAW\" data-enlighter-language=\"generic\" data-enlighter-theme=\"\" data-enlighter-highlight=\"\" data-enlighter-linenumbers=\"\" data-enlighter-lineoffset=\"\" data-enlighter-title=\"\" data-enlighter-group=\"\">class Net(nn.Module):\n    def __init__(self):\n        super(Net, self).__init__()\n        self.conv1 = nn.Conv2d(3, 6, 5)\n        self.pool = nn.MaxPool2d(2, 2)\n        self.conv2 = nn.Conv2d(6, 16, 5)\n        self.fc1 = nn.Linear(16 * 5 * 5, 120)\n        self.fc2 = nn.Linear(120, 84)\n        self.fc3 = nn.Linear(84, 10)\n\n    def forward(self, x):\n        x = self.pool(nn.functional.relu(self.conv1(x)))\n        x = self.pool(nn.functional.relu(self.conv2(x)))\n        x = x.view(-1, 16 * 5 * 5)\n        x = nn.functional.relu(self.fc1(x))\n        x = nn.functional.relu(self.fc2(x))\n        x = self.fc3(x)\n        return x\n\nnet = Net()<\/pre>\n\n\n\n<p>\u3053\u306e\u30e2\u30c7\u30eb\u306f\u30012\u3064\u306e\u7573\u307f\u8fbc\u307f\u5c64\u3068\u30d7\u30fc\u30ea\u30f3\u30b0\u5c64\u3001\u305d\u3057\u30663\u3064\u306e\u5168\u7d50\u5408\u5c64\u304b\u3089\u69cb\u6210\u3055\u308c\u3066\u3044\u307e\u3059\u3002<\/p>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"i-22\">\u640d\u5931\u95a2\u6570\u3068\u6700\u9069\u5316\u30a2\u30eb\u30b4\u30ea\u30ba\u30e0\u306e\u5b9a\u7fa9<\/h3>\n\n\n\n<p>\u640d\u5931\u95a2\u6570\u306b\u306f\u4ea4\u5dee\u30a8\u30f3\u30c8\u30ed\u30d4\u30fc\u640d\u5931\u3092\u3001\u6700\u9069\u5316\u30a2\u30eb\u30b4\u30ea\u30ba\u30e0\u306b\u306fSGD\u3092\u4f7f\u7528\u3057\u307e\u3059\u3002<\/p>\n\n\n\n<pre class=\"EnlighterJSRAW\" data-enlighter-language=\"generic\" data-enlighter-theme=\"\" data-enlighter-highlight=\"\" data-enlighter-linenumbers=\"\" data-enlighter-lineoffset=\"\" data-enlighter-title=\"\" data-enlighter-group=\"\">criterion = nn.CrossEntropyLoss()\noptimizer = optim.SGD(net.parameters(), lr=0.001, momentum=0.9)<\/pre>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"i-23\">\u5b66\u7fd2\u306e\u5b9f\u884c<\/h3>\n\n\n\n<p>\u6700\u5f8c\u306b\u3001\u5b66\u7fd2\u30eb\u30fc\u30d7\u3092\u5b9f\u884c\u3057\u307e\u3059\u3002<\/p>\n\n\n\n<pre class=\"EnlighterJSRAW\" data-enlighter-language=\"generic\" data-enlighter-theme=\"\" data-enlighter-highlight=\"\" data-enlighter-linenumbers=\"\" data-enlighter-lineoffset=\"\" data-enlighter-title=\"\" data-enlighter-group=\"\">for epoch in range(10):\n    running_loss = 0.0\n    for i, data in enumerate(trainloader, 0):\n        inputs, labels = data\n        optimizer.zero_grad()\n        outputs = net(inputs)\n        loss = criterion(outputs, labels)\n        loss.backward()\n        optimizer.step()\n        running_loss += loss.item()\n        if i % 2000 == 1999:\n            print('[%d, %5d] loss: %.3f' % (epoch + 1, i + 1, running_loss \/ 2000))\n            running_loss = 0.0\n\nprint('Finished Training')<\/pre>\n\n\n\n<p>10\u30a8\u30dd\u30c3\u30af\u306e\u5b66\u7fd2\u3092\u884c\u3044\u30012000\u30d0\u30c3\u30c1\u6bce\u306b\u640d\u5931\u3092\u8868\u793a\u3057\u3066\u3044\u307e\u3059\u3002<\/p>\n\n\n\n<p>\u4ee5\u4e0a\u304c\u3001PyTorch\u3092\u4f7f\u3063\u3066CNN\u30e2\u30c7\u30eb\u3092\u69cb\u7bc9\u3057\u3001\u753b\u50cf\u8a8d\u8b58\u30bf\u30b9\u30af\u3092\u5b9f\u884c\u3059\u308b\u4e00\u9023\u306e\u6d41\u308c\u306b\u306a\u308a\u307e\u3059\u3002\u5b9f\u969b\u306e\u30bf\u30b9\u30af\u306b\u5fdc\u3058\u3066\u3001\u30e2\u30c7\u30eb\u306e\u69cb\u9020\u3084\u524d\u51e6\u7406\u306e\u65b9\u6cd5\u306a\u3069\u3092\u9069\u5b9c\u5909\u66f4\u3057\u3066\u3044\u304f\u5fc5\u8981\u304c\u3042\u308a\u307e\u3059\u304c\u3001\u57fa\u672c\u7684\u306a\u6d41\u308c\u306f\u540c\u69d8\u3067\u3059\u3002<\/p>\n\n\n\n<p>\u6b21\u7ae0\u3067\u306f\u3001\u81ea\u7136\u8a00\u8a9e\u51e6\u7406\u30bf\u30b9\u30af\u306b\u6311\u6226\u3057\u3001\u518d\u5e30\u578b\u30cb\u30e5\u30fc\u30e9\u30eb\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\uff08RNN\uff09\u306e\u5b9f\u88c5\u65b9\u6cd5\u306b\u3064\u3044\u3066\u5b66\u3093\u3067\u3044\u304d\u307e\u3059\u3002<\/p>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"i-24\">PyTorch\u3067\u81ea\u7136\u8a00\u8a9e\u51e6\u7406\u30e2\u30c7\u30eb\u3092\u4f5c\u3063\u3066\u307f\u3088\u3046\u2460<\/h2>\n\n\n\n<p>\u524d\u7ae0\u3067\u306f\u3001\u7573\u307f\u8fbc\u307f\u30cb\u30e5\u30fc\u30e9\u30eb\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\uff08CNN\uff09\u3092\u4f7f\u3063\u305f\u753b\u50cf\u8a8d\u8b58\u30e2\u30c7\u30eb\u306e\u69cb\u7bc9\u65b9\u6cd5\u306b\u3064\u3044\u3066\u5b66\u3073\u307e\u3057\u305f\u3002\u672c\u7ae0\u3067\u306f\u3001\u81ea\u7136\u8a00\u8a9e\u51e6\u7406\uff08NLP\uff09\u30bf\u30b9\u30af\u3092\u53d6\u308a\u4e0a\u3052\u3001\u518d\u5e30\u578b\u30cb\u30e5\u30fc\u30e9\u30eb\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\uff08RNN\uff09\u306e\u4ed5\u7d44\u307f\u3068PyTorch\u3067\u306e\u5b9f\u88c5\u65b9\u6cd5\u306b\u3064\u3044\u3066\u89e3\u8aac\u3057\u307e\u3059\u3002RNN\u306f\u3001\u6587\u7ae0\u3084\u6642\u7cfb\u5217\u30c7\u30fc\u30bf\u306a\u3069\u3001\u7cfb\u5217\u30c7\u30fc\u30bf\u3092\u6271\u3046\u306e\u306b\u9069\u3057\u305f\u30e2\u30c7\u30eb\u3067\u3059\u3002<\/p>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"i-25\">\u518d\u5e30\u578b\u30cb\u30e5\u30fc\u30e9\u30eb\u30cd\u30c3\u30c8\u30ef\u30fc\u30af(RNN)\u306e\u4ed5\u7d44\u307f<\/h3>\n\n\n\n<p>RNN\u306f\u3001\u7cfb\u5217\u30c7\u30fc\u30bf\u3092\u51e6\u7406\u3059\u308b\u305f\u3081\u306b\u8a2d\u8a08\u3055\u308c\u305f\u30cb\u30e5\u30fc\u30e9\u30eb\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u3067\u3059\u3002RNN\u306e\u4e3b\u306a\u7279\u5fb4\u306f\u3001\u4ee5\u4e0b\u306e2\u3064\u3067\u3059\u3002<\/p>\n\n\n\n<ol class=\"wp-block-list\">\n<li>\u96a0\u308c\u72b6\u614b\uff08Hidden State\uff09\u306e\u5b58\u5728\n<ul class=\"wp-block-list\">\n<li>RNN\u306f\u3001\u5404\u6642\u523b\u306e\u5165\u529b\u30c7\u30fc\u30bf\u306b\u52a0\u3048\u3066\u3001\u524d\u306e\u6642\u523b\u306e\u96a0\u308c\u72b6\u614b\u3092\u5165\u529b\u3068\u3057\u3066\u53d7\u3051\u53d6\u308a\u307e\u3059\u3002<\/li>\n\n\n\n<li>\u96a0\u308c\u72b6\u614b\u306f\u3001\u904e\u53bb\u306e\u60c5\u5831\u3092\u8981\u7d04\u3057\u305f\u3082\u306e\u3067\u3042\u308a\u3001\u305d\u308c\u3092\u6b21\u306e\u6642\u523b\u306b\u4f1d\u64ad\u3055\u305b\u308b\u3053\u3068\u3067\u3001\u6587\u8108\u3092\u8003\u616e\u3057\u305f\u51e6\u7406\u3092\u884c\u3046\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002<\/li>\n<\/ul>\n<\/li>\n\n\n\n<li>\u91cd\u307f\u306e\u5171\u6709\n<ul class=\"wp-block-list\">\n<li>RNN\u3067\u306f\u3001\u5404\u6642\u523b\u3067\u540c\u3058\u91cd\u307f\u3092\u4f7f\u7528\u3057\u307e\u3059\u3002<\/li>\n\n\n\n<li>\u3053\u308c\u306b\u3088\u308a\u3001\u6642\u523b\u306b\u4f9d\u5b58\u3057\u306a\u3044\u6c4e\u7528\u7684\u306a\u7279\u5fb4\u62bd\u51fa\u304c\u53ef\u80fd\u306b\u306a\u308a\u307e\u3059\u3002<\/li>\n\n\n\n<li>\u307e\u305f\u3001\u5165\u529b\u7cfb\u5217\u306e\u9577\u3055\u306b\u95a2\u4fc2\u306a\u304f\u3001\u540c\u3058\u30e2\u30c7\u30eb\u3092\u9069\u7528\u3059\u308b\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002<\/li>\n<\/ul>\n<\/li>\n<\/ol>\n\n\n\n<p>RNN\u306b\u306f\u3001\u4ee5\u4e0b\u306e\u3088\u3046\u306a\u8907\u6570\u306e\u30d0\u30ea\u30a8\u30fc\u30b7\u30e7\u30f3\u304c\u5b58\u5728\u3057\u307e\u3059\u3002<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Simple RNN\uff08Elman RNN\uff09<\/li>\n\n\n\n<li>\u9577\u30fb\u77ed\u671f\u8a18\u61b6\uff08LSTM\uff09<\/li>\n\n\n\n<li>\u30b2\u30fc\u30c8\u4ed8\u304d\u518d\u5e30\u578b\u30e6\u30cb\u30c3\u30c8\uff08GRU\uff09<\/li>\n<\/ul>\n\n\n\n<p>\u3053\u308c\u3089\u306e\u30d0\u30ea\u30a8\u30fc\u30b7\u30e7\u30f3\u306f\u3001\u52fe\u914d\u6d88\u5931\u554f\u984c\u3078\u306e\u5bfe\u51e6\u3084\u3001\u9577\u671f\u4f9d\u5b58\u6027\u306e\u30e2\u30c7\u30eb\u5316\u306b\u7279\u5316\u3057\u3066\u3044\u307e\u3059\u3002<\/p>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"i-26\">RNN\u306e\u4e3b\u306a\u5229\u70b9<\/h3>\n\n\n\n<p>RNN\u306f\u3001\u4ee5\u4e0b\u306e\u3088\u3046\u306a\u5229\u70b9\u3092\u6301\u3064\u305f\u3081\u3001\u81ea\u7136\u8a00\u8a9e\u51e6\u7406\u30bf\u30b9\u30af\u3067\u5e83\u304f\u4f7f\u7528\u3055\u308c\u3066\u3044\u307e\u3059\u3002<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u53ef\u5909\u9577\u306e\u5165\u529b\u30c7\u30fc\u30bf\u3092\u6271\u3046\u3053\u3068\u304c\u3067\u304d\u308b<\/li>\n\n\n\n<li>\u6587\u8108\u60c5\u5831\u3092\u8003\u616e\u3057\u305f\u51e6\u7406\u304c\u53ef\u80fd<\/li>\n\n\n\n<li>\u8a00\u8a9e\u30e2\u30c7\u30eb\u3084\u6a5f\u68b0\u7ffb\u8a33\u306a\u3069\u3001\u69d8\u3005\u306a\u30bf\u30b9\u30af\u306b\u5fdc\u7528\u53ef\u80fd<\/li>\n<\/ul>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"i-27\">RNN\u306e\u5fdc\u7528\u4f8b<\/h3>\n\n\n\n<p>RNN\u306f\u3001\u4ee5\u4e0b\u306e\u3088\u3046\u306a\u69d8\u3005\u306a\u81ea\u7136\u8a00\u8a9e\u51e6\u7406\u30bf\u30b9\u30af\u306b\u5fdc\u7528\u3055\u308c\u3066\u3044\u307e\u3059\u3002<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u8a00\u8a9e\u30e2\u30c7\u30eb\uff08Language Modeling\uff09<\/li>\n\n\n\n<li>\u611f\u60c5\u5206\u6790\uff08Sentiment Analysis\uff09<\/li>\n\n\n\n<li>\u54c1\u8a5e\u30bf\u30b0\u4ed8\u3051\uff08Part-of-Speech Tagging\uff09<\/li>\n\n\n\n<li>\u6a5f\u68b0\u7ffb\u8a33\uff08Machine Translation\uff09<\/li>\n\n\n\n<li>\u6587\u7ae0\u751f\u6210\uff08Text Generation\uff09<\/li>\n<\/ul>\n\n\n\n<p>\u3053\u308c\u3089\u306e\u30bf\u30b9\u30af\u3067\u306f\u3001RNN\u3092\u30d9\u30fc\u30b9\u306b\u3057\u305f\u69d8\u3005\u306a\u30a2\u30fc\u30ad\u30c6\u30af\u30c1\u30e3\u304c\u63d0\u6848\u3055\u308c\u3066\u304a\u308a\u3001\u9ad8\u3044\u6027\u80fd\u3092\u9054\u6210\u3057\u3066\u3044\u307e\u3059\u3002<\/p>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"i-28\">PyTorch\u3067RNN\u30e2\u30c7\u30eb\u3092\u69cb\u7bc9\u3059\u308b\u624b\u9806<\/h3>\n\n\n\n<p>PyTorch\u3092\u4f7f\u3063\u3066RNN\u30e2\u30c7\u30eb\u3092\u69cb\u7bc9\u3059\u308b\u624b\u9806\u306f\u3001\u4ee5\u4e0b\u306e\u901a\u308a\u3067\u3059\u3002<\/p>\n\n\n\n<ol class=\"wp-block-list\">\n<li>\u30cb\u30e5\u30fc\u30e9\u30eb\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u306e\u69cb\u9020\u3092\u5b9a\u7fa9\u3059\u308b\n<ul class=\"wp-block-list\">\n<li><code>torch.nn.Module<\/code>\u3092\u7d99\u627f\u3057\u305f\u30af\u30e9\u30b9\u3092\u4f5c\u6210\u3057\u307e\u3059\u3002<\/li>\n\n\n\n<li><code>nn.Embedding<\/code>\u3092\u4f7f\u3063\u3066\u5358\u8a9e\u306e\u5206\u6563\u8868\u73fe\u3092\u5b66\u7fd2\u3057\u307e\u3059\u3002<\/li>\n\n\n\n<li><code>nn.RNN<\/code>\u3001<code>nn.LSTM<\/code>\u3001<code>nn.GRU<\/code>\u306a\u3069\u3092\u4f7f\u3063\u3066RNN\u3092\u5b9a\u7fa9\u3057\u307e\u3059\u3002<\/li>\n\n\n\n<li>\u6700\u7d42\u7684\u306a\u51fa\u529b\u3092\u5f97\u308b\u305f\u3081\u306e\u5168\u7d50\u5408\u5c64\u3092\u5b9a\u7fa9\u3057\u307e\u3059\u3002<\/li>\n<\/ul>\n<\/li>\n\n\n\n<li>\u640d\u5931\u95a2\u6570\u3068\u6700\u9069\u5316\u30a2\u30eb\u30b4\u30ea\u30ba\u30e0\u3092\u5b9a\u7fa9\u3059\u308b\n<ul class=\"wp-block-list\">\n<li>\u30bf\u30b9\u30af\u306b\u5fdc\u3058\u305f\u640d\u5931\u95a2\u6570\uff08\u4ea4\u5dee\u30a8\u30f3\u30c8\u30ed\u30d4\u30fc\u640d\u5931\u306a\u3069\uff09\u3092\u9078\u629e\u3057\u307e\u3059\u3002<\/li>\n\n\n\n<li>\u6700\u9069\u5316\u30a2\u30eb\u30b4\u30ea\u30ba\u30e0\uff08SGD\u3001Adam\u306a\u3069\uff09\u3092\u9078\u629e\u3057\u3001\u5b66\u7fd2\u7387\u306a\u3069\u306e\u30cf\u30a4\u30d1\u30fc\u30d1\u30e9\u30e1\u30fc\u30bf\u3092\u8a2d\u5b9a\u3057\u307e\u3059\u3002<\/li>\n<\/ul>\n<\/li>\n\n\n\n<li>\u30c7\u30fc\u30bf\u306e\u524d\u51e6\u7406\u3092\u884c\u3046\n<ul class=\"wp-block-list\">\n<li>\u6587\u7ae0\u30c7\u30fc\u30bf\u3092\u5358\u8a9e\u306b\u5206\u5272\u3057\u3001\u5358\u8a9eID\u306b\u5909\u63db\u3057\u307e\u3059\u3002<\/li>\n\n\n\n<li>\u5358\u8a9eID\u306e\u30ea\u30b9\u30c8\u3092\u30df\u30cb\u30d0\u30c3\u30c1\u5316\u3057\u307e\u3059\u3002<\/li>\n\n\n\n<li>\u30d1\u30c7\u30a3\u30f3\u30b0\u3092\u884c\u3044\u3001\u30df\u30cb\u30d0\u30c3\u30c1\u5185\u306e\u7cfb\u5217\u9577\u3092\u63c3\u3048\u307e\u3059\u3002<\/li>\n<\/ul>\n<\/li>\n\n\n\n<li>\u30e2\u30c7\u30eb\u3092\u5b66\u7fd2\u3055\u305b\u308b\n<ul class=\"wp-block-list\">\n<li>\u524d\u51e6\u7406\u3057\u305f\u30c7\u30fc\u30bf\u3092\u30e2\u30c7\u30eb\u306b\u5165\u529b\u3057\u3001\u9806\u4f1d\u64ad\u3067\u4e88\u6e2c\u5024\u3092\u8a08\u7b97\u3057\u307e\u3059\u3002<\/li>\n\n\n\n<li>\u640d\u5931\u95a2\u6570\u3067\u640d\u5931\u3092\u8a08\u7b97\u3057\u3001\u9006\u4f1d\u64ad\u3067\u52fe\u914d\u3092\u8a08\u7b97\u3057\u307e\u3059\u3002<\/li>\n\n\n\n<li>\u6700\u9069\u5316\u30a2\u30eb\u30b4\u30ea\u30ba\u30e0\u3067\u30d1\u30e9\u30e1\u30fc\u30bf\u3092\u66f4\u65b0\u3057\u307e\u3059\u3002<\/li>\n<\/ul>\n<\/li>\n\n\n\n<li>\u30e2\u30c7\u30eb\u3092\u8a55\u4fa1\u3059\u308b\n<ul class=\"wp-block-list\">\n<li>\u5b66\u7fd2\u6e08\u307f\u30e2\u30c7\u30eb\u306b\u30c6\u30b9\u30c8\u30c7\u30fc\u30bf\u3092\u5165\u529b\u3057\u3001\u4e88\u6e2c\u5024\u3092\u8a08\u7b97\u3057\u307e\u3059\u3002<\/li>\n\n\n\n<li>\u7cbe\u5ea6\u3084Perplexity\u306a\u3069\u306e\u8a55\u4fa1\u6307\u6a19\u3092\u8a08\u7b97\u3057\u3001\u30e2\u30c7\u30eb\u306e\u6027\u80fd\u3092\u8a55\u4fa1\u3057\u307e\u3059\u3002<\/li>\n<\/ul>\n<\/li>\n<\/ol>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"i-29\">PyTorch\u3067RNN\u3092\u5b9f\u88c5\u3059\u308b\u969b\u306eTips<\/h3>\n\n\n\n<p>PyTorch\u3067RNN\u3092\u5b9f\u88c5\u3059\u308b\u969b\u306f\u3001\u4ee5\u4e0b\u306e\u3088\u3046\u306aTips\u3092\u53c2\u8003\u306b\u3059\u308b\u3068\u826f\u3044\u3067\u3057\u3087\u3046\u3002<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u5358\u8a9e\u306e\u5206\u6563\u8868\u73fe\u306b\u306f\u3001\u4e8b\u524d\u5b66\u7fd2\u6e08\u307f\u306e\u5358\u8a9e\u30d9\u30af\u30c8\u30eb\uff08Word2Vec\u306a\u3069\uff09\u3092\u5229\u7528\u3059\u308b\u3053\u3068\u3082\u3067\u304d\u308b<\/li>\n\n\n\n<li>RNN\u306e\u96a0\u308c\u72b6\u614b\u306e\u30b5\u30a4\u30ba\u306f\u3001\u30bf\u30b9\u30af\u3084\u8a08\u7b97\u30ea\u30bd\u30fc\u30b9\u306b\u5fdc\u3058\u3066\u9069\u5207\u306b\u8a2d\u5b9a\u3059\u308b<\/li>\n\n\n\n<li>\u52fe\u914d\u30af\u30ea\u30c3\u30d4\u30f3\u30b0\u3092\u9069\u7528\u3059\u308b\u3053\u3068\u3067\u3001\u52fe\u914d\u7206\u767a\u3092\u9632\u3050\u3053\u3068\u304c\u3067\u304d\u308b<\/li>\n\n\n\n<li>\u53cc\u65b9\u5411RNN\uff08Bidirectional RNN\uff09\u3092\u4f7f\u3046\u3053\u3068\u3067\u3001\u6587\u8108\u306e\u524d\u5f8c\u95a2\u4fc2\u3092\u8003\u616e\u3059\u308b\u3053\u3068\u304c\u3067\u304d\u308b<\/li>\n\n\n\n<li>Attention\u6a5f\u69cb\u3092\u5c0e\u5165\u3059\u308b\u3053\u3068\u3067\u3001\u3088\u308a\u9ad8\u5ea6\u306a\u6587\u8108\u306e\u6349\u3048\u65b9\u304c\u53ef\u80fd\u306b\u306a\u308b<\/li>\n<\/ul>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"i-30\">PyTorch\u3067\u81ea\u7136\u8a00\u8a9e\u51e6\u7406\u30e2\u30c7\u30eb\u3092\u4f5c\u3063\u3066\u307f\u3088\u3046\u2461<\/h2>\n\n\n\n<p>\u305d\u308c\u3067\u306f\u3001\u5b9f\u969b\u306bPyTorch\u3092\u4f7f\u3063\u3066RNN\u30e2\u30c7\u30eb\u3092\u69cb\u7bc9\u3057\u3001\u5b66\u7fd2\u3055\u305b\u3066\u307f\u307e\u3057\u3087\u3046\u3002\u3053\u3053\u3067\u306f\u3001\u6587\u7ae0\u306e\u611f\u60c5\u5206\u6790\u30bf\u30b9\u30af\u3092\u4f8b\u306b\u89e3\u8aac\u3057\u307e\u3059\u3002<\/p>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"i-31\">\u5fc5\u8981\u306a\u30e9\u30a4\u30d6\u30e9\u30ea\u306e\u30a4\u30f3\u30dd\u30fc\u30c8<\/h3>\n\n\n\n<p>\u307e\u305a\u3001\u5fc5\u8981\u306a\u30e9\u30a4\u30d6\u30e9\u30ea\u3092\u30a4\u30f3\u30dd\u30fc\u30c8\u3057\u307e\u3059\u3002<\/p>\n\n\n\n<pre class=\"EnlighterJSRAW\" data-enlighter-language=\"generic\" data-enlighter-theme=\"\" data-enlighter-highlight=\"\" data-enlighter-linenumbers=\"\" data-enlighter-lineoffset=\"\" data-enlighter-title=\"\" data-enlighter-group=\"\">import torch\nimport torch.nn as nn\nimport torch.optim as optim\nfrom torch.utils.data import Dataset, DataLoader<\/pre>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"i-32\">\u6587\u7ae0\u30c7\u30fc\u30bf\u306e\u524d\u51e6\u7406<\/h3>\n\n\n\n<p>\u6b21\u306b\u3001\u6587\u7ae0\u30c7\u30fc\u30bf\u3092\u524d\u51e6\u7406\u3057\u307e\u3059\u3002\u3053\u3053\u3067\u306f\u3001\u6587\u7ae0\u3092\u5358\u8a9e\u306b\u5206\u5272\u3057\u3001\u5358\u8a9eID\u306b\u5909\u63db\u3059\u308b\u51e6\u7406\u3092\u884c\u3044\u307e\u3059\u3002<\/p>\n\n\n\n<pre class=\"EnlighterJSRAW\" data-enlighter-language=\"generic\" data-enlighter-theme=\"\" data-enlighter-highlight=\"\" data-enlighter-linenumbers=\"\" data-enlighter-lineoffset=\"\" data-enlighter-title=\"\" data-enlighter-group=\"\">class SentimentDataset(Dataset):\n    def __init__(self, data, word2id, max_length):\n        self.data = data\n        self.word2id = word2id\n        self.max_length = max_length\n\n    def __len__(self):\n        return len(self.data)\n\n    def __getitem__(self, index):\n        sentence, label = self.data[index]\n        sentence = [self.word2id[word] for word in sentence.split()]\n        sentence = sentence[:self.max_length]\n        padding = [0] * (self.max_length - len(sentence))\n        sentence = sentence + padding\n        return torch.tensor(sentence), torch.tensor(label)<\/pre>\n\n\n\n<p>\u3053\u3053\u3067\u306f\u3001<code>Dataset<\/code>\u3092\u7d99\u627f\u3057\u305f<code>SentimentDataset<\/code>\u30af\u30e9\u30b9\u3092\u5b9a\u7fa9\u3057\u3001\u6587\u7ae0\u3068\u30e9\u30d9\u30eb\u306e\u30da\u30a2\u304b\u3089\u306a\u308b\u30c7\u30fc\u30bf\u3092\u53d7\u3051\u53d6\u308b\u3088\u3046\u306b\u3057\u3066\u3044\u307e\u3059\u3002<code>__getitem__<\/code>\u30e1\u30bd\u30c3\u30c9\u3067\u306f\u3001\u6587\u7ae0\u3092\u5358\u8a9eID\u306e\u30ea\u30b9\u30c8\u306b\u5909\u63db\u3057\u3001\u30d1\u30c7\u30a3\u30f3\u30b0\u3092\u884c\u3063\u3066\u3044\u307e\u3059\u3002<\/p>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"i-33\">\u30cb\u30e5\u30fc\u30e9\u30eb\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u306e\u5b9a\u7fa9<\/h3>\n\n\n\n<p>\u7d9a\u3044\u3066\u3001RNN\u30e2\u30c7\u30eb\u3092\u5b9a\u7fa9\u3057\u307e\u3059\u3002\u3053\u3053\u3067\u306f\u3001LSTM\u3092\u4f7f\u7528\u3057\u307e\u3059\u3002<\/p>\n\n\n\n<pre class=\"EnlighterJSRAW\" data-enlighter-language=\"generic\" data-enlighter-theme=\"\" data-enlighter-highlight=\"\" data-enlighter-linenumbers=\"\" data-enlighter-lineoffset=\"\" data-enlighter-title=\"\" data-enlighter-group=\"\">class SentimentLSTM(nn.Module):\n    def __init__(self, vocab_size, embedding_dim, hidden_dim, output_dim):\n        super().__init__()\n        self.embedding = nn.Embedding(vocab_size, embedding_dim)\n        self.lstm = nn.LSTM(embedding_dim, hidden_dim)\n        self.fc = nn.Linear(hidden_dim, output_dim)\n\n    def forward(self, x):\n        x = self.embedding(x)\n        _, (h, _) = self.lstm(x)\n        h = h.squeeze(0)\n        out = self.fc(h)\n        return out<\/pre>\n\n\n\n<p>\u3053\u306e\u30e2\u30c7\u30eb\u306f\u3001\u5358\u8a9e\u306e\u57cb\u3081\u8fbc\u307f\u5c64(<code>nn.Embedding<\/code>)\u3001LSTM\u5c64(<code>nn.LSTM<\/code>)\u3001\u5168\u7d50\u5408\u5c64(<code>nn.Linear<\/code>)\u304b\u3089\u69cb\u6210\u3055\u308c\u3066\u3044\u307e\u3059\u3002<\/p>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"i-34\">\u640d\u5931\u95a2\u6570\u3068\u6700\u9069\u5316\u30a2\u30eb\u30b4\u30ea\u30ba\u30e0\u306e\u5b9a\u7fa9<\/h3>\n\n\n\n<p>\u640d\u5931\u95a2\u6570\u306b\u306f\u4e8c\u5024\u4ea4\u5dee\u30a8\u30f3\u30c8\u30ed\u30d4\u30fc\u640d\u5931\u3092\u3001\u6700\u9069\u5316\u30a2\u30eb\u30b4\u30ea\u30ba\u30e0\u306b\u306fAdam\u3092\u4f7f\u7528\u3057\u307e\u3059\u3002<\/p>\n\n\n\n<pre class=\"EnlighterJSRAW\" data-enlighter-language=\"generic\" data-enlighter-theme=\"\" data-enlighter-highlight=\"\" data-enlighter-linenumbers=\"\" data-enlighter-lineoffset=\"\" data-enlighter-title=\"\" data-enlighter-group=\"\">criterion = nn.BCEWithLogitsLoss()\noptimizer = optim.Adam(model.parameters())<\/pre>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"i-35\">\u5b66\u7fd2\u306e\u5b9f\u884c<\/h3>\n\n\n\n<p>\u6700\u5f8c\u306b\u3001\u5b66\u7fd2\u30eb\u30fc\u30d7\u3092\u5b9f\u884c\u3057\u307e\u3059\u3002<\/p>\n\n\n\n<pre class=\"EnlighterJSRAW\" data-enlighter-language=\"generic\" data-enlighter-theme=\"\" data-enlighter-highlight=\"\" data-enlighter-linenumbers=\"\" data-enlighter-lineoffset=\"\" data-enlighter-title=\"\" data-enlighter-group=\"\">num_epochs = 10\nfor epoch in range(num_epochs):\n    for sentences, labels in train_loader:\n        optimizer.zero_grad()\n        outputs = model(sentences)\n        loss = criterion(outputs, labels.float())\n        loss.backward()\n        optimizer.step()\n\n    print(f'Epoch [{epoch+1}\/{num_epochs}], Loss: {loss.item():.4f}')<\/pre>\n\n\n\n<p>10\u30a8\u30dd\u30c3\u30af\u306e\u5b66\u7fd2\u3092\u884c\u3044\u3001\u5404\u30a8\u30dd\u30c3\u30af\u306e\u6700\u5f8c\u306b\u640d\u5931\u3092\u8868\u793a\u3057\u3066\u3044\u307e\u3059\u3002<\/p>\n\n\n\n<p>\u4ee5\u4e0a\u304c\u3001PyTorch\u3092\u4f7f\u3063\u3066RNN\u30e2\u30c7\u30eb\u3092\u69cb\u7bc9\u3057\u3001\u6587\u7ae0\u306e\u611f\u60c5\u5206\u6790\u30bf\u30b9\u30af\u3092\u5b9f\u884c\u3059\u308b\u4e00\u9023\u306e\u6d41\u308c\u306b\u306a\u308a\u307e\u3059\u3002\u5b9f\u969b\u306e\u30bf\u30b9\u30af\u306b\u5fdc\u3058\u3066\u3001\u30e2\u30c7\u30eb\u306e\u69cb\u9020\u3084\u524d\u51e6\u7406\u306e\u65b9\u6cd5\u306a\u3069\u3092\u9069\u5b9c\u5909\u66f4\u3057\u3066\u3044\u304f\u5fc5\u8981\u304c\u3042\u308a\u307e\u3059\u304c\u3001\u57fa\u672c\u7684\u306a\u6d41\u308c\u306f\u540c\u69d8\u3067\u3059\u3002<\/p>\n\n\n\n<p>\u6b21\u7ae0\u3067\u306f\u3001\u3088\u308a\u767a\u5c55\u7684\u306a\u30c7\u30a3\u30fc\u30d7\u30e9\u30fc\u30cb\u30f3\u30b0\u30e2\u30c7\u30eb\u306b\u3064\u3044\u3066\u5b66\u3093\u3067\u3044\u304d\u307e\u3059\u3002CNN\u3084RNN\u3092\u30d9\u30fc\u30b9\u306b\u3057\u305f\u9ad8\u5ea6\u306a\u30a2\u30fc\u30ad\u30c6\u30af\u30c1\u30e3\u3084\u3001Transformer\u306a\u3069\u306e\u6700\u65b0\u306e\u30e2\u30c7\u30eb\u306b\u3064\u3044\u3066\u89e3\u8aac\u3057\u307e\u3059\u3002<\/p>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"i-36\">\u3082\u3063\u3068\u9ad8\u5ea6\u306a\u30c7\u30a3\u30fc\u30d7\u30e9\u30fc\u30cb\u30f3\u30b0\u30e2\u30c7\u30eb\u306b\u30c1\u30e3\u30ec\u30f3\u30b8\uff01<\/h2>\n\n\n\n<p>\u524d\u7ae0\u307e\u3067\u3067\u3001CNN \u3084 RNN \u306a\u3069\u3001\u57fa\u672c\u7684\u306a\u30c7\u30a3\u30fc\u30d7\u30e9\u30fc\u30cb\u30f3\u30b0\u30e2\u30c7\u30eb\u306e\u69cb\u7bc9\u65b9\u6cd5\u306b\u3064\u3044\u3066\u5b66\u3073\u307e\u3057\u305f\u3002\u672c\u7ae0\u3067\u306f\u3001\u3055\u3089\u306b\u9ad8\u5ea6\u3067\u6700\u5148\u7aef\u306e\u30e2\u30c7\u30eb\u306b\u3064\u3044\u3066\u7d39\u4ecb\u3057\u3001\u305d\u308c\u3089\u3092 PyTorch \u3067\u5b9f\u88c5\u3059\u308b\u305f\u3081\u306e\u65b9\u6cd5\u306b\u3064\u3044\u3066\u89e3\u8aac\u3057\u307e\u3059\u3002\u3053\u308c\u3089\u306e\u30e2\u30c7\u30eb\u306f\u3001\u81ea\u7136\u8a00\u8a9e\u51e6\u7406\u3084\u30b3\u30f3\u30d4\u30e5\u30fc\u30bf\u30d3\u30b8\u30e7\u30f3\u306e\u5206\u91ce\u3067\u5927\u304d\u306a\u6210\u679c\u3092\u4e0a\u3052\u3066\u304a\u308a\u3001\u7814\u7a76\u3084\u5b9f\u52d9\u3067\u306e\u6d3b\u7528\u304c\u9032\u3093\u3067\u3044\u307e\u3059\u3002<\/p>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"i-37\">PyTorch\u3067\u5b9f\u88c5\u3059\u308b\u6ce8\u76ee\u306e\u30e2\u30c7\u30eb3\u9078<\/h3>\n\n\n\n<p>\u3053\u3053\u3067\u306f\u3001\u8fd1\u5e74\u6ce8\u76ee\u3092\u96c6\u3081\u3066\u3044\u308b\u9ad8\u5ea6\u306a\u30c7\u30a3\u30fc\u30d7\u30e9\u30fc\u30cb\u30f3\u30b0\u30e2\u30c7\u30eb\u306e\u4e2d\u304b\u3089\u3001PyTorch\u3067\u5b9f\u88c5\u3059\u308b\u3053\u3068\u3092\u304a\u3059\u3059\u3081\u3059\u308b3\u3064\u306e\u30e2\u30c7\u30eb\u3092\u7d39\u4ecb\u3057\u307e\u3059\u3002<\/p>\n\n\n\n<ol class=\"wp-block-list\">\n<li>Transformer\n<ul class=\"wp-block-list\">\n<li>Transformer\u306f\u3001\u81ea\u7136\u8a00\u8a9e\u51e6\u7406\u30bf\u30b9\u30af\u306b\u304a\u3044\u3066\u5927\u304d\u306a\u6210\u529f\u3092\u53ce\u3081\u305f\u30e2\u30c7\u30eb\u3067\u3059\u3002<\/li>\n\n\n\n<li>\u5f93\u6765\u306eRNN\u30d9\u30fc\u30b9\u306e\u30e2\u30c7\u30eb\u3068\u306f\u7570\u306a\u308a\u3001Self-Attention\u30e1\u30ab\u30cb\u30ba\u30e0\u3092\u4f7f\u7528\u3059\u308b\u3053\u3068\u3067\u3001\u3088\u308a\u52b9\u679c\u7684\u306b\u6587\u8108\u3092\u6349\u3048\u308b\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002<\/li>\n\n\n\n<li>Transformer\u306f\u3001\u6a5f\u68b0\u7ffb\u8a33\u3084\u6587\u7ae0\u8981\u7d04\u3001\u8cea\u554f\u5fdc\u7b54\u306a\u3069\u3001\u69d8\u3005\u306a\u30bf\u30b9\u30af\u3067\u9ad8\u3044\u6027\u80fd\u3092\u9054\u6210\u3057\u3066\u3044\u307e\u3059\u3002<\/li>\n\n\n\n<li>PyTorch\u3067\u306f\u3001<code>nn.Transformer<\/code>\u3084<code>nn.TransformerEncoder<\/code>\u306a\u3069\u306e\u30e2\u30b8\u30e5\u30fc\u30eb\u304c\u63d0\u4f9b\u3055\u308c\u3066\u304a\u308a\u3001\u6bd4\u8f03\u7684\u5bb9\u6613\u306b\u5b9f\u88c5\u3059\u308b\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002<\/li>\n<\/ul>\n<\/li>\n\n\n\n<li>BERT (Bidirectional Encoder Representations from Transformers)\n<ul class=\"wp-block-list\">\n<li>BERT\u306f\u3001Transformer\u3092\u30d9\u30fc\u30b9\u306b\u3057\u305f\u8a00\u8a9e\u30e2\u30c7\u30eb\u3067\u3042\u308a\u3001\u81ea\u7136\u8a00\u8a9e\u51e6\u7406\u30bf\u30b9\u30af\u306b\u304a\u3044\u3066\u975e\u5e38\u306b\u9ad8\u3044\u6027\u80fd\u3092\u793a\u3057\u3066\u3044\u307e\u3059\u3002<\/li>\n\n\n\n<li>BERT\u306e\u7279\u5fb4\u306f\u3001\u5927\u898f\u6a21\u306a\u30c6\u30ad\u30b9\u30c8\u30c7\u30fc\u30bf\u3092\u7528\u3044\u3066\u4e8b\u524d\u5b66\u7fd2\u3092\u884c\u3044\u3001\u6c4e\u7528\u7684\u306a\u8a00\u8a9e\u8868\u73fe\u3092\u7372\u5f97\u3059\u308b\u70b9\u306b\u3042\u308a\u307e\u3059\u3002<\/li>\n\n\n\n<li>\u4e8b\u524d\u5b66\u7fd2\u6e08\u307f\u306eBERT\u30e2\u30c7\u30eb\u3092\u3001\u5404\u30bf\u30b9\u30af\u306b\u5408\u308f\u305b\u3066\u30d5\u30a1\u30a4\u30f3\u30c1\u30e5\u30fc\u30cb\u30f3\u30b0\u3059\u308b\u3053\u3068\u3067\u3001\u9ad8\u3044\u7cbe\u5ea6\u3092\u9054\u6210\u3059\u308b\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002<\/li>\n\n\n\n<li>PyTorch\u3067\u306f\u3001<code>transformers<\/code>\u30e9\u30a4\u30d6\u30e9\u30ea\u3092\u4f7f\u7528\u3059\u308b\u3053\u3068\u3067\u3001BERT\u30e2\u30c7\u30eb\u3092\u7c21\u5358\u306b\u5229\u7528\u3059\u308b\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002<\/li>\n<\/ul>\n<\/li>\n\n\n\n<li>GAN (Generative Adversarial Network)\n<ul class=\"wp-block-list\">\n<li>GAN\u306f\u30012\u3064\u306e\u30cb\u30e5\u30fc\u30e9\u30eb\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\uff08Generator\u3068Discriminator\uff09\u3092\u7af6\u5408\u7684\u306b\u5b66\u7fd2\u3055\u305b\u308b\u3053\u3068\u3067\u3001\u9ad8\u54c1\u8cea\u306a\u30c7\u30fc\u30bf\u3092\u751f\u6210\u3059\u308b\u30e2\u30c7\u30eb\u3067\u3059\u3002<\/li>\n\n\n\n<li>GAN\u306f\u3001\u753b\u50cf\u751f\u6210\u3084\u30b9\u30bf\u30a4\u30eb\u5909\u63db\u3001\u7570\u5e38\u691c\u77e5\u306a\u3069\u3001\u69d8\u3005\u306a\u30bf\u30b9\u30af\u306b\u5fdc\u7528\u3055\u308c\u3066\u3044\u307e\u3059\u3002<\/li>\n\n\n\n<li>GAN\u306e\u5b66\u7fd2\u306f\u3001Generator\u304cDiscriminator\u3092\u6b3a\u304f\u3088\u3046\u306a\u30c7\u30fc\u30bf\u3092\u751f\u6210\u3057\u3001Discriminator\u304c\u305d\u308c\u3092\u898b\u629c\u304f\u3088\u3046\u306b\u5b66\u7fd2\u3059\u308b\u3068\u3044\u3046\u3001\u30bc\u30ed\u30b5\u30e0\u30b2\u30fc\u30e0\u306b\u57fa\u3065\u3044\u3066\u3044\u307e\u3059\u3002<\/li>\n\n\n\n<li>PyTorch\u3067\u306f\u3001<code>nn.Module<\/code>\u3092\u7d99\u627f\u3057\u3066Generator\u3068Discriminator\u3092\u5b9a\u7fa9\u3057\u3001\u305d\u308c\u3089\u3092\u4ea4\u4e92\u306b\u5b66\u7fd2\u3055\u305b\u308b\u3053\u3068\u3067\u3001GAN\u3092\u5b9f\u88c5\u3059\u308b\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002<\/li>\n<\/ul>\n<\/li>\n<\/ol>\n\n\n\n<p>\u3053\u308c\u3089\u306e\u30e2\u30c7\u30eb\u306f\u3001\u3044\u305a\u308c\u3082\u73fe\u5728\u306e\u6df1\u5c64\u5b66\u7fd2\u306e\u6700\u5148\u7aef\u3092\u884c\u304f\u30e2\u30c7\u30eb\u3067\u3042\u308a\u3001\u69d8\u3005\u306a\u30bf\u30b9\u30af\u3067\u9ad8\u3044\u6027\u80fd\u3092\u767a\u63ee\u3057\u3066\u3044\u307e\u3059\u3002PyTorch\u3092\u4f7f\u3048\u3070\u3001\u3053\u308c\u3089\u306e\u30e2\u30c7\u30eb\u3092\u6bd4\u8f03\u7684\u5bb9\u6613\u306b\u5b9f\u88c5\u3059\u308b\u3053\u3068\u304c\u3067\u304d\u308b\u305f\u3081\u3001\u305c\u3072\u6311\u6226\u3057\u3066\u307f\u308b\u3053\u3068\u3092\u304a\u3059\u3059\u3081\u3057\u307e\u3059\u3002<\/p>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"i-38\">\u6700\u5148\u7aef\u30e2\u30c7\u30eb\u306e\u5b9f\u88c5\u306b\u6311\u6226\u3059\u308b\u969b\u306eTips<\/h3>\n\n\n\n<p>\u9ad8\u5ea6\u306a\u30e2\u30c7\u30eb\u3092\u5b9f\u88c5\u3059\u308b\u969b\u306f\u3001\u4ee5\u4e0b\u306e\u3088\u3046\u306aTips\u3092\u53c2\u8003\u306b\u3059\u308b\u3068\u826f\u3044\u3067\u3057\u3087\u3046\u3002<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u516c\u5f0f\u306e\u8ad6\u6587\u3084\u89e3\u8aac\u8a18\u4e8b\u3092\u8aad\u307f\u3001\u30e2\u30c7\u30eb\u306e\u4ed5\u7d44\u307f\u3092\u7406\u89e3\u3059\u308b<\/li>\n\n\n\n<li>GitHub\u306a\u3069\u3067\u516c\u958b\u3055\u308c\u3066\u3044\u308b\u30bd\u30fc\u30b9\u30b3\u30fc\u30c9\u3092\u53c2\u8003\u306b\u3059\u308b<\/li>\n\n\n\n<li>\u5b9f\u88c5\u3059\u308b\u969b\u306f\u3001\u307e\u305a\u30b7\u30f3\u30d7\u30eb\u306a\u30d0\u30fc\u30b8\u30e7\u30f3\u304b\u3089\u59cb\u3081\u3001\u5f90\u3005\u306b\u6539\u826f\u3092\u52a0\u3048\u3066\u3044\u304f<\/li>\n\n\n\n<li>\u30e2\u30c7\u30eb\u306e\u5b66\u7fd2\u304c\u5b89\u5b9a\u3057\u306a\u3044\u5834\u5408\u306f\u3001\u30cf\u30a4\u30d1\u30fc\u30d1\u30e9\u30e1\u30fc\u30bf\u306e\u8abf\u6574\u3084\u6b63\u5247\u5316\u624b\u6cd5\u306e\u9069\u7528\u3092\u691c\u8a0e\u3059\u308b<\/li>\n\n\n\n<li>\u5b66\u7fd2\u6e08\u307f\u30e2\u30c7\u30eb\u3092\u5229\u7528\u3059\u308b\u5834\u5408\u306f\u3001\u8ee2\u79fb\u5b66\u7fd2\u3084fine-tuning\u306e\u624b\u6cd5\u3092\u6d3b\u7528\u3059\u308b<\/li>\n<\/ul>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"i-39\">\u6700\u5148\u7aef\u30e2\u30c7\u30eb\u306e\u8ad6\u6587\u3092\u8aad\u307f\u89e3\u304f<\/h2>\n\n\n\n<p>\u9ad8\u5ea6\u306a\u30c7\u30a3\u30fc\u30d7\u30e9\u30fc\u30cb\u30f3\u30b0\u30e2\u30c7\u30eb\u3092\u7406\u89e3\u3057\u3001\u5b9f\u88c5\u3059\u308b\u305f\u3081\u306b\u306f\u3001\u8ad6\u6587\u3092\u8aad\u307f\u3053\u306a\u3059\u529b\u304c\u5fc5\u8981\u4e0d\u53ef\u6b20\u3067\u3059\u3002\u3053\u3053\u3067\u306f\u3001\u6700\u5148\u7aef\u306e\u30e2\u30c7\u30eb\u306b\u95a2\u3059\u308b\u8ad6\u6587\u3092\u8aad\u3080\u969b\u306e\u30dd\u30a4\u30f3\u30c8\u3092\u3044\u304f\u3064\u304b\u7d39\u4ecb\u3057\u307e\u3059\u3002<\/p>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"i-40\">\u8ad6\u6587\u306e\u69cb\u6210\u3092\u7406\u89e3\u3059\u308b<\/h3>\n\n\n\n<p>\u307e\u305a\u306f\u3001\u8ad6\u6587\u306e\u5168\u4f53\u69cb\u6210\u3092\u628a\u63e1\u3059\u308b\u3053\u3068\u304c\u91cd\u8981\u3067\u3059\u3002\u4e00\u822c\u7684\u306b\u3001\u8ad6\u6587\u306f\u4ee5\u4e0b\u306e\u3088\u3046\u306a\u69cb\u6210\u306b\u306a\u3063\u3066\u3044\u307e\u3059\u3002<\/p>\n\n\n\n<ol class=\"wp-block-list\">\n<li>Abstract\uff08\u6982\u8981\uff09<\/li>\n\n\n\n<li>Introduction\uff08\u306f\u3058\u3081\u306b\uff09<\/li>\n\n\n\n<li>Related Work\uff08\u95a2\u9023\u7814\u7a76\uff09<\/li>\n\n\n\n<li>Proposed Method\uff08\u63d0\u6848\u624b\u6cd5\uff09<\/li>\n\n\n\n<li>Experiments\uff08\u5b9f\u9a13\uff09<\/li>\n\n\n\n<li>Conclusion\uff08\u7d50\u8ad6\uff09<\/li>\n<\/ol>\n\n\n\n<p>\u5404\u30bb\u30af\u30b7\u30e7\u30f3\u306e\u5f79\u5272\u3092\u7406\u89e3\u3057\u3001\u8ad6\u6587\u3092\u8aad\u3080\u969b\u306e\u9053\u6a19\u3068\u3059\u308b\u3053\u3068\u3067\u3001\u52b9\u7387\u7684\u306b\u5185\u5bb9\u3092\u628a\u63e1\u3059\u308b\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002<\/p>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"i-41\">\u63d0\u6848\u624b\u6cd5\u306e\u30dd\u30a4\u30f3\u30c8\u3092\u62bc\u3055\u3048\u308b<\/h3>\n\n\n\n<p>\u8ad6\u6587\u306e\u4e2d\u3067\u6700\u3082\u91cd\u8981\u306a\u306e\u304c\u3001\u63d0\u6848\u624b\u6cd5\u306e\u30bb\u30af\u30b7\u30e7\u30f3\u3067\u3059\u3002\u3053\u3053\u3067\u306f\u3001\u65b0\u3057\u3044\u30e2\u30c7\u30eb\u3084\u30a2\u30eb\u30b4\u30ea\u30ba\u30e0\u304c\u8a73\u7d30\u306b\u8aac\u660e\u3055\u308c\u3066\u3044\u307e\u3059\u3002\u4ee5\u4e0b\u306e\u3088\u3046\u306a\u30dd\u30a4\u30f3\u30c8\u306b\u6ce8\u76ee\u3057\u306a\u304c\u3089\u8aad\u307f\u9032\u3081\u307e\u3057\u3087\u3046\u3002<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u30e2\u30c7\u30eb\u306e\u5168\u4f53\u69cb\u9020<\/li>\n\n\n\n<li>\u5f93\u6765\u624b\u6cd5\u3068\u306e\u9055\u3044<\/li>\n\n\n\n<li>\u65b0\u3057\u3044\u30a2\u30a4\u30c7\u30a2\u3084\u30c6\u30af\u30cb\u30c3\u30af<\/li>\n\n\n\n<li>\u6570\u5f0f\u306e\u610f\u5473\u3068\u5c0e\u51fa\u904e\u7a0b<\/li>\n<\/ul>\n\n\n\n<p>\u56f3\u3084\u7591\u4f3c\u30b3\u30fc\u30c9\u304c\u3042\u308b\u5834\u5408\u306f\u3001\u305d\u308c\u3089\u3092\u624b\u304c\u304b\u308a\u306b\u30e2\u30c7\u30eb\u306e\u52d5\u4f5c\u3092\u8ffd\u3046\u3053\u3068\u3067\u3001\u7406\u89e3\u304c\u6df1\u307e\u308a\u307e\u3059\u3002<\/p>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"i-42\">\u5b9f\u9a13\u7d50\u679c\u3092\u5206\u6790\u3059\u308b<\/h3>\n\n\n\n<p>\u63d0\u6848\u624b\u6cd5\u306e\u6709\u52b9\u6027\u3092\u793a\u3059\u305f\u3081\u306b\u3001\u5b9f\u9a13\u7d50\u679c\u304c\u5831\u544a\u3055\u308c\u307e\u3059\u3002\u3053\u3053\u3067\u306f\u3001\u4ee5\u4e0b\u306e\u3088\u3046\u306a\u70b9\u306b\u6ce8\u76ee\u3057\u307e\u3059\u3002<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u4f7f\u7528\u3055\u308c\u305f\u30c7\u30fc\u30bf\u30bb\u30c3\u30c8\u306e\u7279\u5fb4<\/li>\n\n\n\n<li>\u8a55\u4fa1\u6307\u6a19\u306e\u9078\u629e\u7406\u7531<\/li>\n\n\n\n<li>\u6bd4\u8f03\u624b\u6cd5\u306e\u9078\u5b9a\u57fa\u6e96<\/li>\n\n\n\n<li>\u63d0\u6848\u624b\u6cd5\u306e\u512a\u4f4d\u6027\u304c\u793a\u3055\u308c\u3066\u3044\u308b\u304b<\/li>\n\n\n\n<li>Ablation Study\uff08\u63d0\u6848\u624b\u6cd5\u306e\u5404\u8981\u7d20\u306e\u5bc4\u4e0e\u5ea6\u3092\u8abf\u3079\u308b\u5b9f\u9a13\uff09\u306e\u7d50\u679c<\/li>\n<\/ul>\n\n\n\n<p>\u5b9f\u9a13\u7d50\u679c\u3092\u6279\u5224\u7684\u306b\u5206\u6790\u3059\u308b\u3053\u3068\u3067\u3001\u63d0\u6848\u624b\u6cd5\u306e\u9577\u6240\u3068\u77ed\u6240\u3092\u628a\u63e1\u3059\u308b\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002<\/p>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"i-43\">\u95a2\u9023\u7814\u7a76\u3068\u306e\u95a2\u4fc2\u3092\u628a\u63e1\u3059\u308b<\/h3>\n\n\n\n<p>\u8ad6\u6587\u3067\u63d0\u6848\u3055\u308c\u3066\u3044\u308b\u30e2\u30c7\u30eb\u306f\u3001\u904e\u53bb\u306e\u7814\u7a76\u3092\u8e0f\u307e\u3048\u3066\u958b\u767a\u3055\u308c\u3066\u3044\u307e\u3059\u3002\u95a2\u9023\u7814\u7a76\u306e\u30bb\u30af\u30b7\u30e7\u30f3\u3067\u306f\u3001\u4ee5\u4e0b\u306e\u3088\u3046\u306a\u60c5\u5831\u3092\u5f97\u308b\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u5f53\u8a72\u5206\u91ce\u306e\u7814\u7a76\u52d5\u5411<\/li>\n\n\n\n<li>\u63d0\u6848\u624b\u6cd5\u306e\u4f4d\u7f6e\u3065\u3051<\/li>\n\n\n\n<li>\u904e\u53bb\u306e\u624b\u6cd5\u306e\u9577\u6240\u3068\u77ed\u6240<\/li>\n<\/ul>\n\n\n\n<p>\u95a2\u9023\u7814\u7a76\u3092\u7406\u89e3\u3059\u308b\u3053\u3068\u3067\u3001\u63d0\u6848\u624b\u6cd5\u306e\u65b0\u898f\u6027\u3084\u91cd\u8981\u6027\u3092\u8a55\u4fa1\u3059\u308b\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002<\/p>\n\n\n\n<p>\u6700\u5148\u7aef\u306e\u8ad6\u6587\u3092\u8aad\u307f\u3053\u306a\u3059\u305f\u3081\u306b\u306f\u3001\u6839\u6c17\u5f37\u304f\u53d6\u308a\u7d44\u3080\u59ff\u52e2\u304c\u5fc5\u8981\u3067\u3059\u3002\u5c02\u9580\u7528\u8a9e\u3084\u6570\u5f0f\u306b\u7acb\u3061\u6b62\u307e\u3089\u305a\u3001\u5168\u4f53\u306e\u6d41\u308c\u3092\u63b4\u3080\u3053\u3068\u3092\u5fc3\u304c\u3051\u307e\u3057\u3087\u3046\u3002\u6642\u306b\u306f\u3001\u53c2\u8003\u6587\u732e\u3092\u8abf\u3079\u305f\u308a\u3001\u4ed6\u306e\u89e3\u8aac\u8a18\u4e8b\u3092\u8aad\u3093\u3060\u308a\u3059\u308b\u3053\u3068\u3082\u91cd\u8981\u3067\u3059\u3002\u5c11\u3057\u305a\u3064\u3067\u3082\u8ad6\u6587\u3092\u8aad\u307f\u9032\u3081\u308b\u3053\u3068\u3067\u3001\u6700\u5148\u7aef\u306e\u30e2\u30c7\u30eb\u3092\u7406\u89e3\u3057\u3001\u5b9f\u88c5\u3059\u308b\u529b\u304c\u8eab\u306b\u3064\u3044\u3066\u3044\u304f\u306f\u305a\u3067\u3059\u3002<\/p>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"i-44\">\u7814\u7a76\u3084\u5b9f\u52d9\u3067\u306e\u6d3b\u7528\u4e8b\u4f8b<\/h2>\n\n\n\n<p>\u3053\u3053\u3067\u306f\u3001\u4e0a\u8ff0\u306e\u9ad8\u5ea6\u306a\u30e2\u30c7\u30eb\u304c\u3001\u7814\u7a76\u3084\u5b9f\u52d9\u3067\u3069\u306e\u3088\u3046\u306b\u6d3b\u7528\u3055\u308c\u3066\u3044\u308b\u304b\u3092\u898b\u3066\u3044\u304d\u307e\u3059\u3002<\/p>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"i-45\">\u81ea\u7136\u8a00\u8a9e\u51e6\u7406\u5206\u91ce\u3067\u306e\u6d3b\u7528\u4f8b<\/h3>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Transformer\u306f\u3001\u6a5f\u68b0\u7ffb\u8a33\u306e\u5206\u91ce\u3067\u5927\u304d\u306a\u6210\u679c\u3092\u4e0a\u3052\u3066\u304a\u308a\u3001Google\u7ffb\u8a33\u306a\u3069\u306e\u5546\u7528\u30b5\u30fc\u30d3\u30b9\u306b\u3082\u63a1\u7528\u3055\u308c\u3066\u3044\u307e\u3059\u3002<\/li>\n\n\n\n<li>BERT\u306f\u3001\u6587\u7ae0\u5206\u985e\u3084\u611f\u60c5\u5206\u6790\u3001\u56fa\u6709\u8868\u73fe\u8a8d\u8b58\u306a\u3069\u3001\u69d8\u3005\u306a\u30bf\u30b9\u30af\u3067\u5f93\u6765\u624b\u6cd5\u3092\u4e0a\u56de\u308b\u6027\u80fd\u3092\u9054\u6210\u3057\u3066\u3044\u307e\u3059\u3002<\/li>\n\n\n\n<li>GPT\uff08Generative Pre-trained Transformer\uff09\u306f\u3001BERT\u3068\u540c\u69d8\u306e\u4e8b\u524d\u5b66\u7fd2\u6e08\u307f\u30e2\u30c7\u30eb\u3067\u3042\u308a\u3001\u6587\u7ae0\u751f\u6210\u30bf\u30b9\u30af\u306b\u304a\u3044\u3066\u9ad8\u3044\u6027\u80fd\u3092\u793a\u3057\u3066\u3044\u307e\u3059\u3002<\/li>\n<\/ul>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"i-46\">\u30b3\u30f3\u30d4\u30e5\u30fc\u30bf\u30d3\u30b8\u30e7\u30f3\u5206\u91ce\u3067\u306e\u6d3b\u7528\u4f8b<\/h3>\n\n\n\n<ul class=\"wp-block-list\">\n<li>GAN\u306f\u3001\u9ad8\u89e3\u50cf\u5ea6\u306e\u753b\u50cf\u751f\u6210\u3084\u3001\u5199\u771f\u304b\u3089\u306e\u7d75\u753b\u751f\u6210\u306a\u3069\u3001\u69d8\u3005\u306a\u753b\u50cf\u751f\u6210\u30bf\u30b9\u30af\u3067\u6d3b\u7528\u3055\u308c\u3066\u3044\u307e\u3059\u3002<\/li>\n\n\n\n<li>Style GAN \u306f\u3001GAN\u3092\u30d9\u30fc\u30b9\u306b\u3057\u305f\u753b\u50cf\u751f\u6210\u30e2\u30c7\u30eb\u3067\u3042\u308a\u3001\u5199\u5b9f\u7684\u306a\u9854\u753b\u50cf\u306e\u751f\u6210\u306a\u3069\u306b\u7528\u3044\u3089\u308c\u3066\u3044\u307e\u3059\u3002<\/li>\n\n\n\n<li>CycleGAN\u306f\u3001\u7570\u306a\u308b\u30c9\u30e1\u30a4\u30f3\u9593\u306e\u753b\u50cf\u5909\u63db\uff08\u4f8b\uff1a\u99ac \u2192 \u30b7\u30de\u30a6\u30de\uff09\u3092\u884c\u3046\u305f\u3081\u306eGAN\u30d9\u30fc\u30b9\u306e\u30e2\u30c7\u30eb\u3067\u3059\u3002<\/li>\n<\/ul>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"i-47\">\u533b\u7642\u5206\u91ce\u3067\u306e\u6d3b\u7528\u4f8b<\/h3>\n\n\n\n<ul class=\"wp-block-list\">\n<li>GAN\u3092\u7528\u3044\u3066\u3001\u75c7\u4f8b\u6570\u306e\u5c11\u306a\u3044\u75be\u60a3\u306e\u753b\u50cf\u30c7\u30fc\u30bf\u3092\u5897\u3084\u3059\u3053\u3068\u3067\u3001\u8a3a\u65ad\u30e2\u30c7\u30eb\u306e\u6027\u80fd\u3092\u5411\u4e0a\u3055\u305b\u308b\u7814\u7a76\u304c\u884c\u308f\u308c\u3066\u3044\u307e\u3059\u3002<\/li>\n\n\n\n<li>BERT\u3092\u7528\u3044\u3066\u3001\u96fb\u5b50\u30ab\u30eb\u30c6\u306e\u30c6\u30ad\u30b9\u30c8\u30c7\u30fc\u30bf\u304b\u3089\u3001\u60a3\u8005\u306e\u75c7\u72b6\u3084\u8a3a\u65ad\u540d\u3092\u62bd\u51fa\u3059\u308b\u7814\u7a76\u304c\u9032\u3081\u3089\u308c\u3066\u3044\u307e\u3059\u3002<\/li>\n\n\n\n<li>Transformer\u3092\u7528\u3044\u3066\u3001DNA\u914d\u5217\u30c7\u30fc\u30bf\u304b\u3089\u3001\u75be\u60a3\u306b\u95a2\u9023\u3059\u308b\u5909\u7570\u3092\u4e88\u6e2c\u3059\u308b\u30e2\u30c7\u30eb\u304c\u958b\u767a\u3055\u308c\u3066\u3044\u307e\u3059\u3002<\/li>\n<\/ul>\n\n\n\n<p>\u3053\u308c\u3089\u306f\u3001\u6700\u5148\u7aef\u306e\u30c7\u30a3\u30fc\u30d7\u30e9\u30fc\u30cb\u30f3\u30b0\u30e2\u30c7\u30eb\u304c\u3001\u69d8\u3005\u306a\u5206\u91ce\u3067\u5b9f\u969b\u306b\u6d3b\u7528\u3055\u308c\u3066\u3044\u308b\u4e00\u4f8b\u3067\u3059\u3002PyTorch\u3092\u4f7f\u3063\u3066\u3001\u3053\u308c\u3089\u306e\u30e2\u30c7\u30eb\u3092\u5b9f\u88c5\u3057\u3001\u5fdc\u7528\u3059\u308b\u3053\u3068\u3067\u3001\u7814\u7a76\u3084\u5b9f\u52d9\u306b\u8ca2\u732e\u3059\u308b\u3053\u3068\u304c\u3067\u304d\u308b\u3067\u3057\u3087\u3046\u3002<\/p>\n\n\n\n<p>\u4ee5\u4e0a\u3001\u672c\u7ae0\u3067\u306f\u3001Transformer\u3001BERT\u3001GAN\u3068\u3044\u3063\u305f\u9ad8\u5ea6\u306a\u30e2\u30c7\u30eb\u306b\u3064\u3044\u3066\u7d39\u4ecb\u3057\u3001\u305d\u308c\u3089\u306e\u8ad6\u6587\u3092\u8aad\u307f\u89e3\u304f\u305f\u3081\u306e\u30dd\u30a4\u30f3\u30c8\u3084\u3001\u5b9f\u969b\u306e\u6d3b\u7528\u4e8b\u4f8b\u306b\u3064\u3044\u3066\u89e3\u8aac\u3057\u307e\u3057\u305f\u3002\u3053\u308c\u3089\u306e\u30e2\u30c7\u30eb\u306f\u3001\u81ea\u7136\u8a00\u8a9e\u51e6\u7406\u3084\u30b3\u30f3\u30d4\u30e5\u30fc\u30bf\u30d3\u30b8\u30e7\u30f3\u306e\u5206\u91ce\u3067\u5927\u304d\u306a\u30d6\u30ec\u30a4\u30af\u30b9\u30eb\u30fc\u3092\u3082\u305f\u3089\u3057\u3066\u304a\u308a\u3001\u4eca\u5f8c\u3082\u3055\u3089\u306a\u308b\u767a\u5c55\u304c\u671f\u5f85\u3055\u308c\u3066\u3044\u307e\u3059\u3002PyTorch\u3092\u4f7f\u3063\u3066\u3001\u3053\u308c\u3089\u306e\u30e2\u30c7\u30eb\u3092\u5b9f\u88c5\u3057\u3001\u5fdc\u7528\u3059\u308b\u3053\u3068\u3067\u3001\u6700\u5148\u7aef\u306e\u6df1\u5c64\u5b66\u7fd2\u306e\u4e16\u754c\u306b\u98db\u3073\u8fbc\u3093\u3067\u307f\u307e\u305b\u3093\u304b\u3002<\/p>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"i-48\">PyTorch\u3092\u6975\u3081\u308b\u305f\u3081\u306eTips\uff06\u30c8\u30ea\u30c3\u30af\u96c6<\/h2>\n\n\n\n<p>PyTorch\u3092\u4f7f\u3044\u3053\u306a\u3059\u305f\u3081\u306b\u306f\u3001\u57fa\u672c\u7684\u306a\u4f7f\u3044\u65b9\u3060\u3051\u3067\u306a\u304f\u3001\u30d1\u30d5\u30a9\u30fc\u30de\u30f3\u30b9\u6539\u5584\u306e\u305f\u3081\u306e\u30c6\u30af\u30cb\u30c3\u30af\u3084\u30c7\u30d0\u30c3\u30b0\u624b\u6cd5\u3092\u8eab\u306b\u3064\u3051\u308b\u3053\u3068\u304c\u91cd\u8981\u3067\u3059\u3002\u672c\u7ae0\u3067\u306f\u3001PyTorch\u306e\u30a8\u30ad\u30b9\u30d1\u30fc\u30c8\u305f\u3061\u304c\u5b9f\u8df5\u3057\u3066\u3044\u308b\u3001\u5b9f\u7528\u7684\u306aTips\u3068\u30c8\u30ea\u30c3\u30af\u3092\u7d39\u4ecb\u3057\u307e\u3059\u3002\u3053\u308c\u3089\u3092\u7fd2\u5f97\u3059\u308b\u3053\u3068\u3067\u3001\u3088\u308a\u52b9\u7387\u7684\u304b\u3064\u52b9\u679c\u7684\u306bPyTorch\u3092\u6d3b\u7528\u3067\u304d\u308b\u3088\u3046\u306b\u306a\u308b\u3067\u3057\u3087\u3046\u3002<\/p>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"i-49\">\u30d1\u30d5\u30a9\u30fc\u30de\u30f3\u30b9\u6539\u5584\u306e\u305f\u3081\u306e\u30d9\u30b9\u30c8\u30d7\u30e9\u30af\u30c6\u30a3\u30b9<\/h3>\n\n\n\n<p>PyTorch\u3092\u4f7f\u3063\u3066\u6df1\u5c64\u5b66\u7fd2\u30e2\u30c7\u30eb\u3092\u958b\u767a\u3059\u308b\u969b\u3001\u30d1\u30d5\u30a9\u30fc\u30de\u30f3\u30b9\u3092\u6700\u9069\u5316\u3059\u308b\u3053\u3068\u306f\u975e\u5e38\u306b\u91cd\u8981\u3067\u3059\u3002\u3053\u3053\u3067\u306f\u3001\u30e2\u30c7\u30eb\u306e\u5b66\u7fd2\u901f\u5ea6\u3084\u63a8\u8ad6\u901f\u5ea6\u3092\u5411\u4e0a\u3055\u305b\u308b\u305f\u3081\u306e\u3001\u3044\u304f\u3064\u304b\u306e\u30d9\u30b9\u30c8\u30d7\u30e9\u30af\u30c6\u30a3\u30b9\u3092\u7d39\u4ecb\u3057\u307e\u3059\u3002<\/p>\n\n\n\n<ol class=\"wp-block-list\">\n<li>\u30c7\u30fc\u30bf\u306e\u524d\u51e6\u7406\u3068\u30d0\u30c3\u30c1\u5316\n<ul class=\"wp-block-list\">\n<li>\u30c7\u30fc\u30bf\u306e\u524d\u51e6\u7406\uff08\u6b63\u898f\u5316\u3001\u5909\u63db\u306a\u3069\uff09\u3092CPU\u4e0a\u3067\u884c\u3044\u3001GPU\u306b\u306f\u30d0\u30c3\u30c1\u5316\u3055\u308c\u305f\u30c7\u30fc\u30bf\u3092\u6e21\u3059\u3088\u3046\u306b\u3059\u308b\u3002<\/li>\n\n\n\n<li><code>DataLoader<\/code>\u3092\u4f7f\u3063\u3066\u3001\u30c7\u30fc\u30bf\u306e\u8aad\u307f\u8fbc\u307f\u3068\u30d0\u30c3\u30c1\u5316\u3092\u52b9\u7387\u5316\u3059\u308b\u3002<\/li>\n\n\n\n<li><code>num_workers<\/code>\u5f15\u6570\u3092\u9069\u5207\u306b\u8a2d\u5b9a\u3057\u3001\u30c7\u30fc\u30bf\u8aad\u307f\u8fbc\u307f\u306e\u4e26\u5217\u5316\u3092\u884c\u3046\u3002<\/li>\n<\/ul>\n<\/li>\n\n\n\n<li>\u9069\u5207\u306a\u30c7\u30fc\u30bf\u578b\u306e\u4f7f\u7528\n<ul class=\"wp-block-list\">\n<li>\u30e2\u30c7\u30eb\u306e\u5165\u529b\u3084\u30d1\u30e9\u30e1\u30fc\u30bf\u306e\u30c7\u30fc\u30bf\u578b\u306b\u306f\u3001<code>float32<\/code>\u3084<code>int64<\/code>\u3067\u306f\u306a\u304f\u3001<code>float16<\/code>\u3084<code>int32<\/code>\u3092\u4f7f\u7528\u3059\u308b\u3002<\/li>\n\n\n\n<li>\u6df7\u5408\u7cbe\u5ea6\u8a13\u7df4\uff08FP16\u3068FP32\u3092\u7d44\u307f\u5408\u308f\u305b\u308b\uff09\u3092\u6d3b\u7528\u3057\u3001\u30e1\u30e2\u30ea\u4f7f\u7528\u91cf\u3068\u8a08\u7b97\u6642\u9593\u3092\u524a\u6e1b\u3059\u308b\u3002<\/li>\n\n\n\n<li>PyTorch\u306e<code>Tensor<\/code>\u306f\u3001\u30c7\u30d5\u30a9\u30eb\u30c8\u3067\u306f<code>torch.FloatTensor<\/code>\uff08FP32\uff09\u306b\u306a\u308b\u305f\u3081\u3001<code>torch.HalfTensor<\/code>\uff08FP16\uff09\u3092\u4f7f\u3046\u3053\u3068\u3092\u660e\u793a\u3059\u308b\u3002<\/li>\n<\/ul>\n<\/li>\n\n\n\n<li>GPU\u306e\u6709\u52b9\u6d3b\u7528\n<ul class=\"wp-block-list\">\n<li>\u30e2\u30c7\u30eb\u3068\u30c7\u30fc\u30bf\u3092GPU\u306b\u8ee2\u9001\u3057\u3001\u8a08\u7b97\u3092\u9ad8\u901f\u5316\u3059\u308b\u3002<\/li>\n\n\n\n<li><code>torch.cuda.is_available()<\/code>\u3067\u3001GPU\u304c\u4f7f\u7528\u53ef\u80fd\u304b\u3092\u78ba\u8a8d\u3059\u308b\u3002<\/li>\n\n\n\n<li><code>model.to(device)<\/code>\u3084<code>tensor.to(device)<\/code>\u3067\u3001\u30e2\u30c7\u30eb\u3084\u30c7\u30fc\u30bf\u3092GPU\u306b\u8ee2\u9001\u3059\u308b\u3002<\/li>\n\n\n\n<li>\u30de\u30eb\u30c1GPU\u3092\u4f7f\u7528\u3059\u308b\u5834\u5408\u306f\u3001<code>nn.DataParallel<\/code>\u3084<code>nn.DistributedDataParallel<\/code>\u3092\u4f7f\u3063\u3066\u4e26\u5217\u5316\u3059\u308b\u3002<\/li>\n<\/ul>\n<\/li>\n\n\n\n<li>\u6700\u9069\u5316\u30a2\u30eb\u30b4\u30ea\u30ba\u30e0\u306e\u9078\u629e\n<ul class=\"wp-block-list\">\n<li>SGD\u3088\u308a\u3082Adam\u3084AdaGrad\u306a\u3069\u306e\u9069\u5fdc\u7684\u306a\u6700\u9069\u5316\u30a2\u30eb\u30b4\u30ea\u30ba\u30e0\u3092\u4f7f\u7528\u3059\u308b\u3002<\/li>\n\n\n\n<li>\u5b66\u7fd2\u7387\u306e\u30b9\u30b1\u30b8\u30e5\u30fc\u30ea\u30f3\u30b0\uff08\u4f8b\uff1a<code>StepLR<\/code>\u3001<code>CosineAnnealingLR<\/code>\uff09\u3092\u9069\u7528\u3057\u3001\u5b66\u7fd2\u3092\u5b89\u5b9a\u5316\u3055\u305b\u308b\u3002<\/li>\n\n\n\n<li>\u30e2\u30fc\u30e1\u30f3\u30bf\u30e0\u3092\u9069\u5207\u306b\u8a2d\u5b9a\u3057\u3001\u5c40\u6240\u89e3\u306b\u53ce\u675f\u3059\u308b\u30ea\u30b9\u30af\u3092\u4f4e\u6e1b\u3059\u308b\u3002<\/li>\n<\/ul>\n<\/li>\n\n\n\n<li>\u30e2\u30c7\u30eb\u306e\u8efd\u91cf\u5316\n<ul class=\"wp-block-list\">\n<li>\u4e0d\u5fc5\u8981\u306b\u5927\u304d\u306a\u4e2d\u9593\u5c64\u3092\u524a\u6e1b\u3057\u3001\u30e2\u30c7\u30eb\u3092\u5c0f\u3055\u304f\u3059\u308b\u3002<\/li>\n\n\n\n<li>\u30b0\u30eb\u30fc\u30d7\u7573\u307f\u8fbc\u307f\uff08<code>nn.Conv2d<\/code>\u306e<code>groups<\/code>\u5f15\u6570\uff09\u3092\u4f7f\u3063\u3066\u3001\u30d1\u30e9\u30e1\u30fc\u30bf\u6570\u3092\u524a\u6e1b\u3059\u308b\u3002<\/li>\n\n\n\n<li>\u77e5\u8b58\u84b8\u7559\uff08Knowledge Distillation\uff09\u3092\u6d3b\u7528\u3057\u3001\u5927\u304d\u306a\u30e2\u30c7\u30eb\u306e\u77e5\u8b58\u3092\u5c0f\u3055\u306a\u30e2\u30c7\u30eb\u306b\u5727\u7e2e\u3059\u308b\u3002<\/li>\n<\/ul>\n<\/li>\n\n\n\n<li>\u4ed6\u306e\u30e9\u30a4\u30d6\u30e9\u30ea\u3084\u30c4\u30fc\u30eb\u306e\u6d3b\u7528\n<ul class=\"wp-block-list\">\n<li>CUDA\u30c4\u30fc\u30eb\u30ad\u30c3\u30c8\uff08NVCC\u3001cuDNN\uff09\u3092\u6700\u65b0\u30d0\u30fc\u30b8\u30e7\u30f3\u306b\u66f4\u65b0\u3057\u3001GPU\u306e\u6027\u80fd\u3092\u6700\u5927\u9650\u306b\u5f15\u304d\u51fa\u3059\u3002<\/li>\n\n\n\n<li>TensorRT\u3084ONNX Runtime\u306a\u3069\u306e\u63a8\u8ad6\u30a8\u30f3\u30b8\u30f3\u3092\u4f7f\u3063\u3066\u3001\u63a8\u8ad6\u901f\u5ea6\u3092\u5411\u4e0a\u3055\u305b\u308b\u3002<\/li>\n\n\n\n<li>PyTorch\u30d7\u30ed\u30d5\u30a1\u30a4\u30e9\uff08<code>torch.utils.bottleneck<\/code>\uff09\u3092\u4f7f\u3063\u3066\u3001\u30dc\u30c8\u30eb\u30cd\u30c3\u30af\u3092\u7279\u5b9a\u3057\u3001\u6700\u9069\u5316\u3059\u308b\u3002<\/li>\n<\/ul>\n<\/li>\n<\/ol>\n\n\n\n<p>\u3053\u308c\u3089\u306e\u30d9\u30b9\u30c8\u30d7\u30e9\u30af\u30c6\u30a3\u30b9\u3092\u9069\u7528\u3059\u308b\u3053\u3068\u3067\u3001PyTorch\u30e2\u30c7\u30eb\u306e\u30d1\u30d5\u30a9\u30fc\u30de\u30f3\u30b9\u3092\u5927\u5e45\u306b\u6539\u5584\u3059\u308b\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002\u305f\u3060\u3057\u3001\u30e2\u30c7\u30eb\u3084\u30bf\u30b9\u30af\u306b\u3088\u3063\u3066\u6700\u9069\u306a\u8a2d\u5b9a\u306f\u7570\u306a\u308b\u305f\u3081\u3001\u5b9f\u969b\u306b\u306f\u30cf\u30a4\u30d1\u30fc\u30d1\u30e9\u30e1\u30fc\u30bf\u3092\u8abf\u6574\u3057\u306a\u304c\u3089\u3001\u6700\u826f\u306e\u7d44\u307f\u5408\u308f\u305b\u3092\u898b\u3064\u3051\u3066\u3044\u304f\u5fc5\u8981\u304c\u3042\u308a\u307e\u3059\u3002<\/p>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"i-50\">\u30cf\u30a4\u30d1\u30fc\u30d1\u30e9\u30e1\u30fc\u30bf\u8abf\u6574\u306e\u30b3\u30c4<\/h3>\n\n\n\n<p>\u6df1\u5c64\u5b66\u7fd2\u30e2\u30c7\u30eb\u3092\u958b\u767a\u3059\u308b\u969b\u3001\u30cf\u30a4\u30d1\u30fc\u30d1\u30e9\u30e1\u30fc\u30bf\u306e\u8abf\u6574\u306f\u975e\u5e38\u306b\u91cd\u8981\u3067\u3059\u3002\u9069\u5207\u306a\u30cf\u30a4\u30d1\u30fc\u30d1\u30e9\u30e1\u30fc\u30bf\u3092\u898b\u3064\u3051\u308b\u3053\u3068\u3067\u3001\u30e2\u30c7\u30eb\u306e\u6027\u80fd\u3092\u5927\u304d\u304f\u5411\u4e0a\u3055\u305b\u308b\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002\u3053\u3053\u3067\u306f\u3001\u30cf\u30a4\u30d1\u30fc\u30d1\u30e9\u30e1\u30fc\u30bf\u8abf\u6574\u306e\u305f\u3081\u306e\u3044\u304f\u3064\u304b\u306e\u30b3\u30c4\u3092\u7d39\u4ecb\u3057\u307e\u3059\u3002<\/p>\n\n\n\n<ol class=\"wp-block-list\">\n<li>\u91cd\u8981\u306a\u30cf\u30a4\u30d1\u30fc\u30d1\u30e9\u30e1\u30fc\u30bf\u3092\u8b58\u5225\u3059\u308b\n<ul class=\"wp-block-list\">\n<li>\u5b66\u7fd2\u7387\u3001\u30d0\u30c3\u30c1\u30b5\u30a4\u30ba\u3001\u30a8\u30dd\u30c3\u30af\u6570\u3001\u6700\u9069\u5316\u30a2\u30eb\u30b4\u30ea\u30ba\u30e0\u3001\u6b63\u5247\u5316\u9805\u306a\u3069\u3001\u30e2\u30c7\u30eb\u306e\u6027\u80fd\u306b\u5927\u304d\u306a\u5f71\u97ff\u3092\u4e0e\u3048\u308b\u30cf\u30a4\u30d1\u30fc\u30d1\u30e9\u30e1\u30fc\u30bf\u3092\u7279\u5b9a\u3059\u308b\u3002<\/li>\n\n\n\n<li>\u5404\u30cf\u30a4\u30d1\u30fc\u30d1\u30e9\u30e1\u30fc\u30bf\u306e\u5024\u306e\u7bc4\u56f2\u3084\u3001\u30c7\u30d5\u30a9\u30eb\u30c8\u5024\u3092\u628a\u63e1\u3059\u308b\u3002<\/li>\n<\/ul>\n<\/li>\n\n\n\n<li>\u30b0\u30ea\u30c3\u30c9\u30b5\u30fc\u30c1\u3068\u4e71\u6570\u30b5\u30fc\u30c1\n<ul class=\"wp-block-list\">\n<li>\u30b0\u30ea\u30c3\u30c9\u30b5\u30fc\u30c1\uff08Grid Search\uff09\u306f\u3001\u30cf\u30a4\u30d1\u30fc\u30d1\u30e9\u30e1\u30fc\u30bf\u306e\u7d44\u307f\u5408\u308f\u305b\u3092\u5168\u3066\u8a66\u3059\u7db2\u7f85\u7684\u306a\u65b9\u6cd5\u3002<\/li>\n\n\n\n<li>\u4e71\u6570\u30b5\u30fc\u30c1\uff08Random Search\uff09\u306f\u3001\u30cf\u30a4\u30d1\u30fc\u30d1\u30e9\u30e1\u30fc\u30bf\u306e\u5024\u3092\u30e9\u30f3\u30c0\u30e0\u306b\u30b5\u30f3\u30d7\u30ea\u30f3\u30b0\u3059\u308b\u65b9\u6cd5\u3002<\/li>\n\n\n\n<li>\u4e00\u822c\u7684\u306b\u3001\u4e71\u6570\u30b5\u30fc\u30c1\u306e\u65b9\u304c\u52b9\u7387\u7684\u3067\u3001\u30b0\u30ea\u30c3\u30c9\u30b5\u30fc\u30c1\u3088\u308a\u3082\u826f\u3044\u7d50\u679c\u304c\u5f97\u3089\u308c\u308b\u3053\u3068\u304c\u591a\u3044\u3002<\/li>\n<\/ul>\n<\/li>\n\n\n\n<li>\u30d9\u30a4\u30ba\u6700\u9069\u5316\n<ul class=\"wp-block-list\">\n<li>\u30d9\u30a4\u30ba\u6700\u9069\u5316\uff08Bayesian Optimization\uff09\u306f\u3001\u30cf\u30a4\u30d1\u30fc\u30d1\u30e9\u30e1\u30fc\u30bf\u306e\u63a2\u7d22\u306b\u78ba\u7387\u30e2\u30c7\u30eb\u3092\u4f7f\u7528\u3059\u308b\u65b9\u6cd5\u3002<\/li>\n\n\n\n<li>\u65e2\u306b\u8a55\u4fa1\u6e08\u307f\u306e\u30cf\u30a4\u30d1\u30fc\u30d1\u30e9\u30e1\u30fc\u30bf\u306e\u7d44\u307f\u5408\u308f\u305b\u304b\u3089\u3001\u6b21\u306b\u8a66\u3059\u3079\u304d\u7d44\u307f\u5408\u308f\u305b\u3092\u63d0\u6848\u3057\u3066\u304f\u308c\u308b\u3002<\/li>\n\n\n\n<li><code>Optuna<\/code>\u3084<code>Hyperopt<\/code>\u306a\u3069\u3001\u30d9\u30a4\u30ba\u6700\u9069\u5316\u3092\u5b9f\u88c5\u3057\u305f\u30e9\u30a4\u30d6\u30e9\u30ea\u3092\u6d3b\u7528\u3067\u304d\u308b\u3002<\/li>\n<\/ul>\n<\/li>\n\n\n\n<li>\u65e9\u671f\u6253\u3061\u5207\u308a\n<ul class=\"wp-block-list\">\n<li>\u5b66\u7fd2\u306e\u9014\u4e2d\u3067\u3001\u6027\u80fd\u304c\u60aa\u3044\u30cf\u30a4\u30d1\u30fc\u30d1\u30e9\u30e1\u30fc\u30bf\u306e\u7d44\u307f\u5408\u308f\u305b\u3092\u65e9\u671f\u306b\u6253\u3061\u5207\u308b\u3053\u3068\u3067\u3001\u63a2\u7d22\u306e\u52b9\u7387\u3092\u9ad8\u3081\u308b\u3002<\/li>\n\n\n\n<li><code>Optuna<\/code>\u306e<code>pruner<\/code>\u6a5f\u80fd\u3084\u3001<code>Keras<\/code>\u306e<code>EarlyStopping<\/code>\u30b3\u30fc\u30eb\u30d0\u30c3\u30af\u3092\u4f7f\u3063\u3066\u5b9f\u88c5\u3067\u304d\u308b\u3002<\/li>\n<\/ul>\n<\/li>\n\n\n\n<li>\u30cf\u30a4\u30d1\u30fc\u30d1\u30e9\u30e1\u30fc\u30bf\u306e\u91cd\u8981\u5ea6\u5206\u6790\n<ul class=\"wp-block-list\">\n<li>\u5404\u30cf\u30a4\u30d1\u30fc\u30d1\u30e9\u30e1\u30fc\u30bf\u304c\u3001\u30e2\u30c7\u30eb\u306e\u6027\u80fd\u306b\u3069\u306e\u7a0b\u5ea6\u5f71\u97ff\u3057\u3066\u3044\u308b\u304b\u3092\u5206\u6790\u3059\u308b\u3002<\/li>\n\n\n\n<li>\u91cd\u8981\u5ea6\u306e\u9ad8\u3044\u30cf\u30a4\u30d1\u30fc\u30d1\u30e9\u30e1\u30fc\u30bf\u306b\u6ce8\u529b\u3057\u3001\u91cd\u8981\u5ea6\u306e\u4f4e\u3044\u30cf\u30a4\u30d1\u30fc\u30d1\u30e9\u30e1\u30fc\u30bf\u306f\u9069\u5f53\u306a\u5024\u306b\u56fa\u5b9a\u3059\u308b\u3002<\/li>\n\n\n\n<li><code>SHAP<\/code>\uff08SHapley Additive exPlanations\uff09\u306a\u3069\u306e\u624b\u6cd5\u3092\u7528\u3044\u3066\u3001\u30cf\u30a4\u30d1\u30fc\u30d1\u30e9\u30e1\u30fc\u30bf\u306e\u91cd\u8981\u5ea6\u3092\u53ef\u8996\u5316\u3067\u304d\u308b\u3002<\/li>\n<\/ul>\n<\/li>\n\n\n\n<li>\u8ee2\u79fb\u5b66\u7fd2\u306e\u6d3b\u7528\n<ul class=\"wp-block-list\">\n<li>\u4e8b\u524d\u5b66\u7fd2\u6e08\u307f\u30e2\u30c7\u30eb\u3092\u5229\u7528\u3057\u3001\u30cf\u30a4\u30d1\u30fc\u30d1\u30e9\u30e1\u30fc\u30bf\u63a2\u7d22\u306e\u624b\u9593\u3092\u524a\u6e1b\u3059\u308b\u3002<\/li>\n\n\n\n<li>\u985e\u4f3c\u306e\u30bf\u30b9\u30af\u3067\u6700\u9069\u5316\u3055\u308c\u305f\u30cf\u30a4\u30d1\u30fc\u30d1\u30e9\u30e1\u30fc\u30bf\u306e\u5024\u3092\u3001\u521d\u671f\u5024\u3068\u3057\u3066\u5229\u7528\u3059\u308b\u3002<\/li>\n<\/ul>\n<\/li>\n<\/ol>\n\n\n\n<p>\u30cf\u30a4\u30d1\u30fc\u30d1\u30e9\u30e1\u30fc\u30bf\u8abf\u6574\u306f\u3001\u8a66\u884c\u932f\u8aa4\u304c\u5fc5\u8981\u306a\u4f5c\u696d\u3067\u3059\u3002\u4e0a\u8a18\u306e\u30b3\u30c4\u3092\u53c2\u8003\u306b\u3057\u306a\u304c\u3089\u3001\u6839\u6c17\u5f37\u304f\u6700\u9069\u306a\u7d44\u307f\u5408\u308f\u305b\u3092\u63a2\u7d22\u3057\u3066\u3044\u304d\u307e\u3057\u3087\u3046\u3002\u307e\u305f\u3001\u8abf\u6574\u306e\u904e\u7a0b\u3067\u5f97\u3089\u308c\u305f\u77e5\u898b\u306f\u3001\u6b21\u56de\u306e\u6a5f\u4f1a\u306b\u6d3b\u304b\u3059\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002\u7d4c\u9a13\u3092\u7a4d\u3080\u3053\u3068\u3067\u3001\u52b9\u7387\u7684\u306b\u30cf\u30a4\u30d1\u30fc\u30d1\u30e9\u30e1\u30fc\u30bf\u3092\u8abf\u6574\u3067\u304d\u308b\u3088\u3046\u306b\u306a\u308b\u3067\u3057\u3087\u3046\u3002<\/p>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"i-51\">\u56f0\u3063\u305f\u3068\u304d\u306e\u30c7\u30d0\u30c3\u30b0\u624b\u6cd5<\/h3>\n\n\n\n<p>PyTorch\u3067\u30e2\u30c7\u30eb\u3092\u958b\u767a\u3057\u3066\u3044\u308b\u3068\u3001\u3046\u307e\u304f\u5b66\u7fd2\u304c\u9032\u307e\u306a\u304b\u3063\u305f\u308a\u3001\u4e88\u671f\u305b\u306c\u30a8\u30e9\u30fc\u304c\u767a\u751f\u3057\u305f\u308a\u3059\u308b\u3053\u3068\u304c\u3042\u308a\u307e\u3059\u3002\u305d\u306e\u3088\u3046\u306a\u5834\u9762\u3067\u3001\u52b9\u7387\u7684\u306b\u30c7\u30d0\u30c3\u30b0\u3092\u884c\u3046\u305f\u3081\u306e\u3044\u304f\u3064\u304b\u306e\u624b\u6cd5\u3092\u7d39\u4ecb\u3057\u307e\u3059\u3002<\/p>\n\n\n\n<ol class=\"wp-block-list\">\n<li>\u30c6\u30f3\u30bd\u30eb\u306e\u5024\u3092\u78ba\u8a8d\u3059\u308b\n<ul class=\"wp-block-list\">\n<li><code>print()<\/code>\u6587\u3092\u4f7f\u3063\u3066\u3001\u4e2d\u9593\u5c64\u306e\u51fa\u529b\u3084\u30d1\u30e9\u30e1\u30fc\u30bf\u306e\u5024\u3092\u8868\u793a\u3059\u308b\u3002<\/li>\n\n\n\n<li><code>tensor.detach().cpu().numpy()<\/code>\u3067\u3001\u30c6\u30f3\u30bd\u30eb\u3092NumPy\u914d\u5217\u306b\u5909\u63db\u3057\u3001\u5024\u3092\u78ba\u8a8d\u3059\u308b\u3002<\/li>\n\n\n\n<li><code>torch.isnan()<\/code>\u3084<code>torch.isinf()<\/code>\u3092\u4f7f\u3063\u3066\u3001NaN\u3084\u7121\u9650\u5927\u306e\u5b58\u5728\u3092\u30c1\u30a7\u30c3\u30af\u3059\u308b\u3002<\/li>\n<\/ul>\n<\/li>\n\n\n\n<li>\u30b0\u30e9\u30c7\u30fc\u30b7\u30e7\u30f3\u306e\u6d41\u308c\u3092\u8ffd\u8de1\u3059\u308b\n<ul class=\"wp-block-list\">\n<li><code>tensor.requires_grad<\/code>\u3092<code>True<\/code>\u306b\u8a2d\u5b9a\u3057\u3001\u30c6\u30f3\u30bd\u30eb\u306e\u52fe\u914d\u3092\u8a08\u7b97\u3067\u304d\u308b\u3088\u3046\u306b\u3059\u308b\u3002<\/li>\n\n\n\n<li><code>tensor.grad<\/code>\u3067\u3001\u30c6\u30f3\u30bd\u30eb\u306e\u52fe\u914d\u3092\u53d6\u5f97\u3059\u308b\u3002<\/li>\n\n\n\n<li><code>torch.autograd.grad()<\/code>\u3092\u4f7f\u3063\u3066\u3001\u7279\u5b9a\u306e\u30c6\u30f3\u30bd\u30eb\u306b\u5bfe\u3059\u308b\u5225\u306e\u30c6\u30f3\u30bd\u30eb\u306e\u52fe\u914d\u3092\u8a08\u7b97\u3059\u308b\u3002<\/li>\n<\/ul>\n<\/li>\n\n\n\n<li>\u30e2\u30c7\u30eb\u306e\u69cb\u9020\u3092\u53ef\u8996\u5316\u3059\u308b\n<ul class=\"wp-block-list\">\n<li><ul><li><code>print(model)<\/code>\u3067\u3001\u30e2\u30c7\u30eb\u306e\u5c64\u69cb\u9020\u3092\u8868\u793a\u3059\u308b\u3002<\/li><\/ul><\/li>\n\n\n\n<li><ul><li><code>torchviz<\/code>\u30e9\u30a4\u30d6\u30e9\u30ea\u3092\u4f7f\u3063\u3066\u3001\u8a08\u7b97\u30b0\u30e9\u30d5\u3092\u53ef\u8996\u5316\u3059\u308b\u3002<\/li><\/ul><\/li>\n\n\n\n<li><ul><li><code>torch.jit.script()<\/code>\u3092\u4f7f\u3063\u3066\u3001TorchScript\u306b\u30e2\u30c7\u30eb\u3092\u5909\u63db\u3057\u3001\u69cb\u9020\u3092\u78ba\u8a8d\u3059\u308b\u3002<\/li><\/ul><\/li>\n<\/ul>\n<\/li>\n\n\n\n<li>\u5358\u4f53\u30c6\u30b9\u30c8\u3092\u66f8\u304f\n<ul class=\"wp-block-list\">\n<li>\u500b\u3005\u306e\u5c64\u3084\u30e2\u30b8\u30e5\u30fc\u30eb\u306b\u5bfe\u3057\u3066\u3001\u5358\u4f53\u30c6\u30b9\u30c8\u3092\u4f5c\u6210\u3059\u308b\u3002<\/li>\n\n\n\n<li>\u5165\u529b\u3068\u671f\u5f85\u3055\u308c\u308b\u51fa\u529b\u3092\u5b9a\u7fa9\u3057\u3001\u30c6\u30b9\u30c8\u30b1\u30fc\u30b9\u3092\u5b9f\u884c\u3059\u308b\u3002<\/li>\n\n\n\n<li><code>pytest<\/code>\u306a\u3069\u306e\u30c6\u30b9\u30c8\u30d5\u30ec\u30fc\u30e0\u30ef\u30fc\u30af\u3092\u6d3b\u7528\u3059\u308b\u3002<\/li>\n<\/ul>\n<\/li>\n\n\n\n<li>\u30ed\u30ae\u30f3\u30b0\u3092\u6d3b\u7528\u3059\u308b\n<ul class=\"wp-block-list\">\n<li><code>logging<\/code>\u30e2\u30b8\u30e5\u30fc\u30eb\u3092\u4f7f\u3063\u3066\u3001\u5b66\u7fd2\u306e\u9032\u884c\u72b6\u6cc1\u3084\u30a8\u30e9\u30fc\u30e1\u30c3\u30bb\u30fc\u30b8\u3092\u30ed\u30b0\u306b\u8a18\u9332\u3059\u308b\u3002<\/li>\n\n\n\n<li>\u30ed\u30b0\u30d5\u30a1\u30a4\u30eb\u3092\u89e3\u6790\u3059\u308b\u3053\u3068\u3067\u3001\u554f\u984c\u306e\u539f\u56e0\u3092\u7279\u5b9a\u3059\u308b\u3002<\/li>\n\n\n\n<li>TensorBoard\u3092\u4f7f\u3063\u3066\u3001\u5b66\u7fd2\u66f2\u7dda\u3084\u30e2\u30c7\u30eb\u306e\u69cb\u9020\u3092\u53ef\u8996\u5316\u3059\u308b\u3002<\/li>\n<\/ul>\n<\/li>\n\n\n\n<li>\u30c7\u30d0\u30c3\u30ac\u3092\u5229\u7528\u3059\u308b\n<ul class=\"wp-block-list\">\n<li>PyCharm\u3084VS Code\u306a\u3069\u306e\u7d71\u5408\u958b\u767a\u74b0\u5883\uff08IDE\uff09\u306e\u30c7\u30d0\u30c3\u30ac\u6a5f\u80fd\u3092\u5229\u7528\u3059\u308b\u3002<\/li>\n\n\n\n<li>\u30d6\u30ec\u30fc\u30af\u30dd\u30a4\u30f3\u30c8\u3092\u8a2d\u5b9a\u3057\u3001\u30b9\u30c6\u30c3\u30d7\u5b9f\u884c\u3057\u306a\u304c\u3089\u5909\u6570\u306e\u5024\u3092\u78ba\u8a8d\u3059\u308b\u3002<\/li>\n\n\n\n<li><code>pdb<\/code>\u30e2\u30b8\u30e5\u30fc\u30eb\u3092\u4f7f\u3063\u3066\u3001\u30b3\u30de\u30f3\u30c9\u30e9\u30a4\u30f3\u304b\u3089\u30c7\u30d0\u30c3\u30b0\u3092\u884c\u3046\u3002<\/li>\n<\/ul>\n<\/li>\n<\/ol>\n\n\n\n<p>\u3053\u308c\u3089\u306e\u30c7\u30d0\u30c3\u30b0\u624b\u6cd5\u3092\u7d44\u307f\u5408\u308f\u305b\u308b\u3053\u3068\u3067\u3001\u52b9\u7387\u7684\u306b\u554f\u984c\u306e\u539f\u56e0\u3092\u7279\u5b9a\u3057\u3001\u89e3\u6c7a\u3059\u308b\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002\u307e\u305f\u3001\u30c7\u30d0\u30c3\u30b0\u4f5c\u696d\u3092\u901a\u3058\u3066\u3001PyTorch\u306e\u4ed5\u7d44\u307f\u3084\u52d5\u4f5c\u539f\u7406\u3078\u306e\u7406\u89e3\u3092\u6df1\u3081\u308b\u3053\u3068\u304c\u3067\u304d\u308b\u3067\u3057\u3087\u3046\u3002<\/p>\n\n\n\n<p>\u4ee5\u4e0a\u3001PyTorch\u3092\u6975\u3081\u308b\u305f\u3081\u306eTips\u3068\u30c8\u30ea\u30c3\u30af\u3092\u7d39\u4ecb\u3057\u307e\u3057\u305f\u3002\u30d1\u30d5\u30a9\u30fc\u30de\u30f3\u30b9\u6539\u5584\u306e\u30d9\u30b9\u30c8\u30d7\u30e9\u30af\u30c6\u30a3\u30b9\u3084\u3001\u30cf\u30a4\u30d1\u30fc\u30d1\u30e9\u30e1\u30fc\u30bf\u8abf\u6574\u306e\u30b3\u30c4\u3001\u30c7\u30d0\u30c3\u30b0\u624b\u6cd5\u306a\u3069\u3092\u8eab\u306b\u3064\u3051\u308b\u3053\u3068\u3067\u3001PyTorch\u3092\u3088\u308a\u52b9\u679c\u7684\u306b\u6d3b\u7528\u3067\u304d\u308b\u3088\u3046\u306b\u306a\u308b\u3067\u3057\u3087\u3046\u3002\u307e\u305f\u3001\u4ed6\u306e\u30d5\u30ec\u30fc\u30e0\u30ef\u30fc\u30af\u3068\u306e\u6bd4\u8f03\u3092\u901a\u3058\u3066\u3001PyTorch\u306e\u7279\u5fb4\u3084\u9577\u6240\u3092\u7406\u89e3\u3059\u308b\u3053\u3068\u3082\u91cd\u8981\u3067\u3059\u3002\u3053\u308c\u3089\u306e\u77e5\u8b58\u3092\u6d3b\u304b\u3057\u3066\u3001PyTorch\u3067\u306e\u6df1\u5c64\u5b66\u7fd2\u30e2\u30c7\u30eb\u958b\u767a\u3092\u697d\u3057\u3093\u3067\u3044\u305f\u3060\u3051\u308c\u3070\u5e78\u3044\u3067\u3059\u3002<\/p>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"i-52\">\u307e\u3068\u3081\uff1aPyTorch\u30de\u30b9\u30bf\u30fc\u3078\u306e\u9053<\/h2>\n\n\n\n<p>\u672c\u8a18\u4e8b\u3067\u306f\u3001PyTorch\u3092\u4f7f\u3063\u305f\u6df1\u5c64\u5b66\u7fd2\u306e\u57fa\u790e\u304b\u3089\u5fdc\u7528\u307e\u3067\u3092\u5e45\u5e83\u304f\u89e3\u8aac\u3057\u3066\u304d\u307e\u3057\u305f\u3002\u672c\u8a18\u4e8b\u3092\u901a\u3058\u3066\u5f97\u305f\u77e5\u8b58\u3092\u6d3b\u304b\u3057\u3001PyTorch\u30de\u30b9\u30bf\u30fc\u3078\u306e\u9053\u3092\u6b69\u3093\u3067\u3044\u304d\u307e\u3057\u3087\u3046\u3002<\/p>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"i-53\">\u672c\u8a18\u4e8b\u306e\u304a\u3055\u3089\u3044<\/h3>\n\n\n\n<p>\u5404\u7ae0\u306e\u8981\u70b9\u3092\u307e\u3068\u3081\u308b\u3068\u3001\u4ee5\u4e0b\u306e\u3088\u3046\u306b\u306a\u308a\u307e\u3059\u3002<\/p>\n\n\n\n<ol class=\"wp-block-list\">\n<li>PyTorch\u306e\u6982\u8981\u3068\u7279\u5fb4\n<ul class=\"wp-block-list\">\n<li>PyTorch\u306f\u3001Python\u30d9\u30fc\u30b9\u306e\u30aa\u30fc\u30d7\u30f3\u30bd\u30fc\u30b9\u306e\u30c7\u30a3\u30fc\u30d7\u30e9\u30fc\u30cb\u30f3\u30b0\u30d5\u30ec\u30fc\u30e0\u30ef\u30fc\u30af\u3002<\/li>\n\n\n\n<li>\u52d5\u7684\u8a08\u7b97\u30b0\u30e9\u30d5\u3092\u63a1\u7528\u3057\u3001\u67d4\u8edf\u304b\u3064\u76f4\u611f\u7684\u306a\u30e2\u30c7\u30eb\u69cb\u7bc9\u304c\u53ef\u80fd\u3002<\/li>\n\n\n\n<li>GPU\u306b\u3088\u308b\u9ad8\u901f\u8a08\u7b97\u3092\u30b5\u30dd\u30fc\u30c8\u3057\u3001\u5927\u898f\u6a21\u30c7\u30fc\u30bf\u306e\u51e6\u7406\u306b\u9069\u3057\u3066\u3044\u308b\u3002<\/li>\n<\/ul>\n<\/li>\n\n\n\n<li>PyTorch\u306e\u74b0\u5883\u69cb\u7bc9\u3068\u57fa\u672c\u7684\u306a\u4f7f\u3044\u65b9\n<ul class=\"wp-block-list\">\n<li>PyTorch\u306e\u516c\u5f0f\u30b5\u30a4\u30c8\u304b\u3089\u3001\u74b0\u5883\u306b\u5408\u308f\u305b\u305f\u30a4\u30f3\u30b9\u30c8\u30fc\u30eb\u30b3\u30de\u30f3\u30c9\u3092\u5b9f\u884c\u3002<\/li>\n\n\n\n<li>\u30c6\u30f3\u30bd\u30eb\u306e\u751f\u6210\u3084\u6f14\u7b97\u3001\u81ea\u52d5\u5fae\u5206\u306e\u4ed5\u7d44\u307f\u3092\u7406\u89e3\u3002<\/li>\n\n\n\n<li>\u30c7\u30fc\u30bf\u306e\u6e96\u5099\u3001\u30e2\u30c7\u30eb\u306e\u5b9a\u7fa9\u3001\u5b66\u7fd2\u306e\u5b9f\u884c\u3001\u8a55\u4fa1\u306e\u30b9\u30c6\u30c3\u30d7\u3092\u7fd2\u5f97\u3002<\/li>\n<\/ul>\n<\/li>\n\n\n\n<li>\u30cb\u30e5\u30fc\u30e9\u30eb\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u306e\u69cb\u7bc9\u3068\u5b66\u7fd2\n<ul class=\"wp-block-list\">\n<li><code>torch.nn.Module<\/code>\u3092\u7d99\u627f\u3057\u3001\u30cb\u30e5\u30fc\u30e9\u30eb\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u3092\u5b9a\u7fa9\u3002<\/li>\n\n\n\n<li>\u640d\u5931\u95a2\u6570\u3068\u6700\u9069\u5316\u30a2\u30eb\u30b4\u30ea\u30ba\u30e0\u3092\u9078\u629e\u3057\u3001\u5b66\u7fd2\u30eb\u30fc\u30d7\u3092\u5b9f\u88c5\u3002<\/li>\n\n\n\n<li>\u30c7\u30fc\u30bf\u30ed\u30fc\u30c0\u30fc\u3092\u4f7f\u3063\u3066\u30df\u30cb\u30d0\u30c3\u30c1\u5b66\u7fd2\u3092\u884c\u3046\u3002<\/li>\n<\/ul>\n<\/li>\n\n\n\n<li>\u7573\u307f\u8fbc\u307f\u30cb\u30e5\u30fc\u30e9\u30eb\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\uff08CNN\uff09\n<ul class=\"wp-block-list\">\n<li>\u7573\u307f\u8fbc\u307f\u5c64\u3001\u30d7\u30fc\u30ea\u30f3\u30b0\u5c64\u3001\u5168\u7d50\u5408\u5c64\u306e\u5f79\u5272\u3092\u7406\u89e3\u3002<\/li>\n\n\n\n<li>CNN\u3092\u4f7f\u3063\u3066\u753b\u50cf\u5206\u985e\u30bf\u30b9\u30af\u306b\u53d6\u308a\u7d44\u3080\u3002<\/li>\n\n\n\n<li>\u30c7\u30fc\u30bf\u306e\u524d\u51e6\u7406\u3001\u30e2\u30c7\u30eb\u306e\u5b9a\u7fa9\u3001\u5b66\u7fd2\u306e\u5b9f\u884c\u3001\u8a55\u4fa1\u306e\u6d41\u308c\u3092\u63b4\u3080\u3002<\/li>\n<\/ul>\n<\/li>\n\n\n\n<li>\u518d\u5e30\u578b\u30cb\u30e5\u30fc\u30e9\u30eb\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\uff08RNN\uff09\n<ul class=\"wp-block-list\">\n<li>RNN\u306e\u57fa\u672c\u7684\u306a\u69cb\u9020\u3068\u3001\u6642\u7cfb\u5217\u30c7\u30fc\u30bf\u51e6\u7406\u3078\u306e\u9069\u7528\u3092\u7406\u89e3\u3002<\/li>\n\n\n\n<li>PyTorch\u3067RNN\u3092\u5b9f\u88c5\u3057\u3001\u6587\u7ae0\u306e\u611f\u60c5\u5206\u6790\u30bf\u30b9\u30af\u306b\u6311\u6226\u3002<\/li>\n\n\n\n<li>\u5358\u8a9e\u306e\u5206\u6563\u8868\u73fe\u3001\u30d1\u30c7\u30a3\u30f3\u30b0\u3001\u52fe\u914d\u30af\u30ea\u30c3\u30d4\u30f3\u30b0\u306a\u3069\u306e\u6280\u8853\u3092\u7fd2\u5f97\u3002<\/li>\n<\/ul>\n<\/li>\n\n\n\n<li>\u9ad8\u5ea6\u306a\u30e2\u30c7\u30eb\u306e\u7d39\u4ecb\u3068\u8ad6\u6587\u8aad\u89e3\u306e\u30b3\u30c4\n<ul class=\"wp-block-list\">\n<li>Transformer\u3001BERT\u3001GAN\u306a\u3069\u306e\u6700\u5148\u7aef\u30e2\u30c7\u30eb\u3092\u6982\u89b3\u3002<\/li>\n\n\n\n<li>\u8ad6\u6587\u306e\u69cb\u6210\u3084\u3001\u63d0\u6848\u624b\u6cd5\u306e\u30dd\u30a4\u30f3\u30c8\u306e\u8aad\u307f\u65b9\u3092\u5b66\u3076\u3002<\/li>\n\n\n\n<li>\u30e2\u30c7\u30eb\u306e\u7814\u7a76\u3084\u5b9f\u52d9\u3067\u306e\u6d3b\u7528\u4e8b\u4f8b\u3092\u77e5\u308b\u3002<\/li>\n<\/ul>\n<\/li>\n\n\n\n<li>\u30d1\u30d5\u30a9\u30fc\u30de\u30f3\u30b9\u6539\u5584\u306e\u305f\u3081\u306eTips\u3068\u30c8\u30ea\u30c3\u30af\n<ul class=\"wp-block-list\">\n<li>\u9ad8\u901f\u5316\u306e\u305f\u3081\u306e\u30d9\u30b9\u30c8\u30d7\u30e9\u30af\u30c6\u30a3\u30b9\u3092\u7fd2\u5f97\u3002<\/li>\n\n\n\n<li>\u30cf\u30a4\u30d1\u30fc\u30d1\u30e9\u30e1\u30fc\u30bf\u8abf\u6574\u306e\u30b3\u30c4\u3092\u3064\u304b\u3080\u3002<\/li>\n\n\n\n<li>\u30c7\u30d0\u30c3\u30b0\u624b\u6cd5\u3092\u8eab\u306b\u3064\u3051\u308b\u3002<\/li>\n<\/ul>\n<\/li>\n<\/ol>\n\n\n\n<p>\u4ee5\u4e0a\u304c\u3001\u672c\u8a18\u4e8b\u3067\u6271\u3063\u305f\u30c8\u30d4\u30c3\u30af\u306e\u6982\u8981\u3067\u3059\u3002\u3053\u308c\u3089\u306e\u77e5\u8b58\u3092\u8eab\u306b\u3064\u3051\u308b\u3053\u3068\u3067\u3001PyTorch\u3092\u4f7f\u3063\u305f\u6df1\u5c64\u5b66\u7fd2\u30e2\u30c7\u30eb\u306e\u958b\u767a\u3068\u5fdc\u7528\u3092\u52b9\u679c\u7684\u306b\u9032\u3081\u3089\u308c\u308b\u3088\u3046\u306b\u306a\u308b\u3067\u3057\u3087\u3046\u3002<\/p>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"i-54\">PyTorch\u306e\u3055\u3089\u306a\u308b\u5b66\u7fd2\u30ea\u30bd\u30fc\u30b9<\/h3>\n\n\n\n<p>PyTorch\u306e\u5b66\u7fd2\u3092\u6df1\u3081\u308b\u305f\u3081\u306b\u3001\u4ee5\u4e0b\u306e\u3088\u3046\u306a\u30ea\u30bd\u30fc\u30b9\u3092\u6d3b\u7528\u3059\u308b\u3053\u3068\u3092\u304a\u3059\u3059\u3081\u3057\u307e\u3059\u3002<\/p>\n\n\n\n<ol class=\"wp-block-list\">\n<li>\u516c\u5f0f\u30c1\u30e5\u30fc\u30c8\u30ea\u30a2\u30eb\n<ul class=\"wp-block-list\">\n<li><a href=\"https:\/\/pytorch.org\/tutorials\/\">PyTorch Tutorials<\/a><\/li>\n\n\n\n<li>\u521d\u7d1a\u304b\u3089\u4e0a\u7d1a\u307e\u3067\u3001\u4f53\u7cfb\u7684\u306b\u5b66\u3079\u308b\u516c\u5f0f\u306e\u30c1\u30e5\u30fc\u30c8\u30ea\u30a2\u30eb\u3002<\/li>\n\n\n\n<li>\u753b\u50cf\u5206\u985e\u3001\u8a00\u8a9e\u30e2\u30c7\u30eb\u3001\u5f37\u5316\u5b66\u7fd2\u306a\u3069\u3001\u591a\u69d8\u306a\u30bf\u30b9\u30af\u3092\u30ab\u30d0\u30fc\u3002<\/li>\n<\/ul>\n<\/li>\n\n\n\n<li>\u66f8\u7c4d\n<ul class=\"wp-block-list\">\n<li>\u300e<a href=\"https:\/\/www.manning.com\/books\/deep-learning-with-pytorch\">Deep Learning with PyTorch<\/a>\u300f\uff08Eli Stevens, et al.\uff09<\/li>\n\n\n\n<li>\u300e<a href=\"https:\/\/www.oreilly.com\/library\/view\/programming-pytorch-for\/9781492045342\/\">Programming PyTorch for Deep Learning<\/a>\u300f\uff08Ian Pointer\uff09<\/li>\n\n\n\n<li>PyTorch\u3092\u4f7f\u3063\u305f\u6df1\u5c64\u5b66\u7fd2\u306e\u57fa\u790e\u304b\u3089\u5fdc\u7528\u307e\u3067\u3092\u7db2\u7f85\u7684\u306b\u89e3\u8aac\u3002<\/li>\n<\/ul>\n<\/li>\n\n\n\n<li>\u30aa\u30f3\u30e9\u30a4\u30f3\u8b1b\u5ea7\n<ul class=\"wp-block-list\">\n<li><a href=\"https:\/\/d2l.ai\/\">Dive into Deep Learning<\/a><\/li>\n\n\n\n<li><a href=\"https:\/\/course.fast.ai\/\">Practical Deep Learning for Coders<\/a><\/li>\n\n\n\n<li>\u5b9f\u8df5\u7684\u306a\u6df1\u5c64\u5b66\u7fd2\u306e\u30b9\u30ad\u30eb\u3092\u8eab\u306b\u3064\u3051\u3089\u308c\u308b\u8b1b\u5ea7\u3002<\/li>\n<\/ul>\n<\/li>\n\n\n\n<li>GitHub\u4e0a\u306e\u30d7\u30ed\u30b8\u30a7\u30af\u30c8\n<ul class=\"wp-block-list\">\n<li><a href=\"https:\/\/github.com\/pytorch\/examples\">PyTorch Examples<\/a><\/li>\n\n\n\n<li><a href=\"https:\/\/github.com\/PyTorchLightning\/pytorch-lightning\">PyTorch Lightning<\/a><\/li>\n\n\n\n<li>\u5b9f\u88c5\u4f8b\u3084\u30d9\u30b9\u30c8\u30d7\u30e9\u30af\u30c6\u30a3\u30b9\u3092\u5b66\u3079\u308b\u3001\u6709\u7528\u306a\u30d7\u30ed\u30b8\u30a7\u30af\u30c8\u3002<\/li>\n<\/ul>\n<\/li>\n\n\n\n<li>\u5b66\u8853\u8ad6\u6587\n<ul class=\"wp-block-list\">\n<li><a href=\"https:\/\/arxiv.org\/\">arXiv<\/a>\u306e<a href=\"https:\/\/arxiv.org\/list\/cs.LG\/recent\">cs.LG<\/a>\uff08Machine Learning\uff09\u30ab\u30c6\u30b4\u30ea<\/li>\n\n\n\n<li><a href=\"https:\/\/paperswithcode.com\/\">Papers With Code<\/a><\/li>\n\n\n\n<li>\u6700\u65b0\u306e\u7814\u7a76\u52d5\u5411\u3092\u8ffd\u3046\u305f\u3081\u306b\u3001\u5b66\u8853\u8ad6\u6587\u306b\u76ee\u3092\u901a\u3059\u7fd2\u6163\u3092\u3064\u3051\u308b\u3002<\/li>\n<\/ul>\n<\/li>\n<\/ol>\n\n\n\n<p>\u3053\u308c\u3089\u306e\u30ea\u30bd\u30fc\u30b9\u3092\u6d3b\u7528\u3057\u306a\u304c\u3089\u3001PyTorch\u3067\u306e\u6df1\u5c64\u5b66\u7fd2\u306e\u63a2\u6c42\u3092\u7d9a\u3051\u3066\u3044\u304d\u307e\u3057\u3087\u3046\u3002<\/p>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"i-55\">\u304a\u307e\u3051\uff11\uff1aPyTorch\u30b3\u30df\u30e5\u30cb\u30c6\u30a3\u3068\u306e\u95a2\u308f\u308a\u65b9<\/h2>\n\n\n\n<p>PyTorch\u306f\u3001\u6d3b\u767a\u306a\u30b3\u30df\u30e5\u30cb\u30c6\u30a3\u306b\u3088\u3063\u3066\u652f\u3048\u3089\u308c\u3066\u3044\u308b\u3001\u30aa\u30fc\u30d7\u30f3\u30bd\u30fc\u30b9\u306e\u30d5\u30ec\u30fc\u30e0\u30ef\u30fc\u30af\u3067\u3059\u3002\u30b3\u30df\u30e5\u30cb\u30c6\u30a3\u3068\u306e\u95a2\u308f\u308a\u3092\u901a\u3058\u3066\u3001\u6700\u65b0\u306e\u60c5\u5831\u3092\u5165\u624b\u3057\u305f\u308a\u3001\u4ed6\u306e\u958b\u767a\u8005\u3068\u4ea4\u6d41\u3057\u305f\u308a\u3059\u308b\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002\u4ee5\u4e0b\u306b\u3001PyTorch\u30b3\u30df\u30e5\u30cb\u30c6\u30a3\u3068\u306e\u95a2\u308f\u308a\u65b9\u3092\u7d39\u4ecb\u3057\u307e\u3059\u3002<\/p>\n\n\n\n<ol class=\"wp-block-list\">\n<li>\u30d5\u30a9\u30fc\u30e9\u30e0\u3078\u306e\u53c2\u52a0\n<ul class=\"wp-block-list\">\n<li><a href=\"https:\/\/discuss.pytorch.org\/\">PyTorch Forums<\/a>\u3067\u306f\u3001PyTorch\u306b\u95a2\u3059\u308b\u8cea\u554f\u3084\u8b70\u8ad6\u304c\u884c\u308f\u308c\u3066\u3044\u307e\u3059\u3002<\/li>\n\n\n\n<li>\u521d\u6b69\u7684\u306a\u8cea\u554f\u304b\u3089\u3001\u9ad8\u5ea6\u306a\u6280\u8853\u7684\u306a\u8a71\u984c\u307e\u3067\u3001\u5e45\u5e83\u3044\u30c8\u30d4\u30c3\u30af\u304c\u6271\u308f\u308c\u3066\u3044\u307e\u3059\u3002<\/li>\n\n\n\n<li>\u7591\u554f\u304c\u3042\u308c\u3070\u8cea\u554f\u3057\u3001\u4ed6\u306e\u958b\u767a\u8005\u306e\u554f\u984c\u89e3\u6c7a\u306b\u5354\u529b\u3059\u308b\u3053\u3068\u3067\u3001\u77e5\u8b58\u3092\u6df1\u3081\u3089\u308c\u307e\u3059\u3002<\/li>\n<\/ul>\n<\/li>\n\n\n\n<li>SNS\u3067\u306e\u60c5\u5831\u53ce\u96c6\n<ul class=\"wp-block-list\">\n<li><a href=\"https:\/\/twitter.com\/PyTorch\">Twitter<\/a>\u3084<a href=\"https:\/\/www.facebook.com\/pytorch\/\">Facebook<\/a>\u3067\u3001PyTorch\u306e\u516c\u5f0f\u30a2\u30ab\u30a6\u30f3\u30c8\u3092\u30d5\u30a9\u30ed\u30fc\u3057\u307e\u3057\u3087\u3046\u3002<\/li>\n\n\n\n<li>\u6700\u65b0\u306e\u30ea\u30ea\u30fc\u30b9\u60c5\u5831\u3084\u30a4\u30d9\u30f3\u30c8\u544a\u77e5\u3001\u6709\u7528\u306a\u8a18\u4e8b\u306e\u5171\u6709\u306a\u3069\u304c\u884c\u308f\u308c\u3066\u3044\u307e\u3059\u3002<\/li>\n\n\n\n<li>PyTorch\u306b\u95a2\u9023\u3059\u308b\u30cf\u30c3\u30b7\u30e5\u30bf\u30b0\uff08#PyTorch, #DeepLearning\uff09\u3092\u8ffd\u8de1\u3059\u308b\u3053\u3068\u3067\u3001\u30b3\u30df\u30e5\u30cb\u30c6\u30a3\u306e\u52d5\u5411\u3092\u63b4\u3081\u307e\u3059\u3002<\/li>\n<\/ul>\n<\/li>\n\n\n\n<li>\u30aa\u30fc\u30d7\u30f3\u30bd\u30fc\u30b9\u30d7\u30ed\u30b8\u30a7\u30af\u30c8\u3078\u306e\u8ca2\u732e\n<ul class=\"wp-block-list\">\n<li>PyTorch\u306f\u3001GitHub\u4e0a\u3067\u30bd\u30fc\u30b9\u30b3\u30fc\u30c9\u304c\u516c\u958b\u3055\u308c\u3066\u3044\u307e\u3059\u3002<\/li>\n\n\n\n<li>\u30c9\u30ad\u30e5\u30e1\u30f3\u30c8\u306e\u6539\u5584\u3084\u3001\u30d0\u30b0\u4fee\u6b63\u3001\u65b0\u6a5f\u80fd\u306e\u8ffd\u52a0\u306a\u3069\u3001\u69d8\u3005\u306a\u5f62\u3067\u30d7\u30ed\u30b8\u30a7\u30af\u30c8\u306b\u8ca2\u732e\u3067\u304d\u307e\u3059\u3002<\/li>\n\n\n\n<li>\u30aa\u30fc\u30d7\u30f3\u30bd\u30fc\u30b9\u3078\u306e\u8ca2\u732e\u306f\u3001\u81ea\u8eab\u306e\u30b9\u30ad\u30eb\u30a2\u30c3\u30d7\u306b\u3064\u306a\u304c\u308b\u3060\u3051\u3067\u306a\u304f\u3001\u30b3\u30df\u30e5\u30cb\u30c6\u30a3\u304b\u3089\u8a8d\u77e5\u3055\u308c\u308b\u304d\u3063\u304b\u3051\u306b\u3082\u306a\u308a\u307e\u3059\u3002<\/li>\n<\/ul>\n<\/li>\n<\/ol>\n\n\n\n<p>PyTorch\u30b3\u30df\u30e5\u30cb\u30c6\u30a3\u3068\u306e\u95a2\u308f\u308a\u3092\u901a\u3058\u3066\u3001\u6700\u65b0\u306e\u6280\u8853\u52d5\u5411\u3092\u8ffd\u8de1\u3057\u3001\u4ed6\u306e\u958b\u767a\u8005\u3068\u306e\u3064\u306a\u304c\u308a\u3092\u6df1\u3081\u3066\u3044\u304d\u307e\u3057\u3087\u3046\u3002\u30b3\u30df\u30e5\u30cb\u30c6\u30a3\u306e\u4e00\u54e1\u3068\u3057\u3066\u3001PyTorch\u306e\u767a\u5c55\u306b\u5bc4\u4e0e\u3059\u308b\u3053\u3068\u3092\u76ee\u6307\u3057\u307e\u3057\u3087\u3046\u3002<\/p>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"i-56\">\u304a\u307e\u3051\uff12\uff1aPyTorch\u3068\u4ed6\u306e\u6df1\u5c64\u5b66\u7fd2\u30d5\u30ec\u30fc\u30e0\u30ef\u30fc\u30af\u306e\u6bd4\u8f03<\/h2>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"i-57\">PyTorch\u3068TensorFlow\u306e\u6bd4\u8f03<\/h3>\n\n\n\n<p>PyTorch\u3068TensorFlow\u306f\u3001\u73fe\u5728\u6700\u3082\u4eba\u6c17\u306e\u3042\u308b\u6df1\u5c64\u5b66\u7fd2\u30d5\u30ec\u30fc\u30e0\u30ef\u30fc\u30af\u3068\u3044\u3063\u3066\u3082\u904e\u8a00\u3067\u306f\u306a\u3044\u3067\u3057\u3087\u3046\u3002\u4e21\u8005\u306b\u306f\u3001\u4ee5\u4e0b\u306e\u3088\u3046\u306a\u9055\u3044\u304c\u3042\u308a\u307e\u3059\u3002<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>PyTorch\u306f\u52d5\u7684\u8a08\u7b97\u30b0\u30e9\u30d5\u3001TensorFlow\u306f\u9759\u7684\u8a08\u7b97\u30b0\u30e9\u30d5\u3092\u63a1\u7528\u3057\u3066\u3044\u308b\u3002<\/li>\n\n\n\n<li>PyTorch\u306fPython\u30cd\u30a4\u30c6\u30a3\u30d6\u306a\u8a18\u6cd5\u3067\u3001TensorFlow\u306f\u30b0\u30e9\u30d5\u3092\u69cb\u7bc9\u3059\u308b\u305f\u3081\u306e\u72ec\u81ea\u306eAPI\u3092\u6301\u3064\u3002<\/li>\n\n\n\n<li>PyTorch\u306f\u30c7\u30d0\u30c3\u30b0\u304c\u3057\u3084\u3059\u304f\u3001\u7814\u7a76\u7528\u9014\u306b\u9069\u3057\u3066\u3044\u308b\u3002TensorFlow\u306f\u5927\u898f\u6a21\u306a\u904b\u7528\u74b0\u5883\u306b\u9069\u3057\u3066\u3044\u308b\u3002<\/li>\n\n\n\n<li>PyTorch\u306b\u306fTorchScript\u304c\u3042\u308b\u3002TensorFlow\u306b\u306fTensorFlow 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class=\"wp-block-list\">\n<li>Keras\u306fTensorFlow\u4e0a\u306b\u69cb\u7bc9\u3055\u308c\u305f\u9ad8\u30ec\u30d9\u30ebAPI\u3067\u3042\u308a\u3001PyTorch\u306f\u72ec\u7acb\u3057\u305f\u30d5\u30ec\u30fc\u30e0\u30ef\u30fc\u30af\u3067\u3042\u308b\u3002<\/li>\n\n\n\n<li>Keras\u306f\u7c21\u6f54\u3067\u4f7f\u3044\u3084\u3059\u3044\u30a4\u30f3\u30bf\u30fc\u30d5\u30a7\u30fc\u30b9\u3092\u63d0\u4f9b\u3057\u3001PyTorch\u306f\u3088\u308a\u67d4\u8edf\u3067\u4f4e\u30ec\u30d9\u30eb\u306a\u64cd\u4f5c\u304c\u53ef\u80fd\u3002<\/li>\n\n\n\n<li>Keras\u306f\u30e2\u30c7\u30eb\u3092Sequential\u306b\u7a4d\u307f\u91cd\u306d\u308b\u5f62\u5f0f\u304c\u57fa\u672c\u3002PyTorch\u306f\u81ea\u7531\u5ea6\u304c\u9ad8\u3044\u3002<\/li>\n\n\n\n<li>Keras\u306f\u30de\u30eb\u30c1GPU\u30e2\u30c7\u30eb\u306e\u69cb\u7bc9\u304c\u5bb9\u6613\u3002PyTorch\u3067\u306f<code>nn.DataParallel<\/code>\u3092\u4f7f\u3046\u5fc5\u8981\u304c\u3042\u308b\u3002<\/li>\n<\/ul>\n\n\n\n<p>Keras\u306f\u3001\u6df1\u5c64\u5b66\u7fd2\u3092\u59cb\u3081\u305f\u3070\u304b\u308a\u306e\u521d\u5fc3\u8005\u306b\u9069\u3057\u3066\u3044\u307e\u3059\u3002\u4e00\u65b9\u3001PyTorch\u306f\u7814\u7a76\u8005\u3084\u3001\u7d30\u304b\u3044\u8a2d\u5b9a\u3092\u5fc5\u8981\u3068\u3059\u308b\u30e6\u30fc\u30b6\u30fc\u306b\u597d\u307e\u308c\u308b\u50be\u5411\u306b\u3042\u308a\u307e\u3059\u3002<\/p>\n\n\n\n<h3 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Networks\u306b\u3088\u3063\u3066\u958b\u767a\u3055\u308c\u3066\u3044\u308b\u3002<\/li>\n\n\n\n<li>PyTorch\u306f\u30b3\u30df\u30e5\u30cb\u30c6\u30a3\u304c\u5927\u304d\u304f\u3001\u30e9\u30a4\u30d6\u30e9\u30ea\u3084\u30c4\u30fc\u30eb\u304c\u8c4a\u5bcc\u3002Chainer\u306f\u65e5\u672c\u767a\u306e\u30d5\u30ec\u30fc\u30e0\u30ef\u30fc\u30af\u3067\u3042\u308b\u3002<\/li>\n\n\n\n<li>PyTorch\u306f<code>torch.nn<\/code>\u3084<code>torch.optim<\/code>\u306a\u3069\u3001\u30e2\u30b8\u30e5\u30fc\u30eb\u5316\u3055\u308c\u305f\u8a2d\u8a08\u3002Chainer\u306f<code>chainer.Function<\/code>\u3084<code>chainer.Link<\/code>\u3092\u7d44\u307f\u5408\u308f\u305b\u308b\u3002<\/li>\n\n\n\n<li>PyTorch\u3067\u306f\u30c6\u30f3\u30bd\u30eb\u306b\u5bfe\u3057\u3066\u76f4\u63a5\u64cd\u4f5c\u3092\u884c\u3046\u3002Chainer\u3067\u306f\u305d\u308c\u81ea\u4f53\u3092\u95a2\u6570\u3068\u3057\u3066\u6271\u3046\u3002<\/li>\n<\/ul>\n\n\n\n<p>\u73fe\u5728\u3067\u306f\u3001PyTorch\u306e\u65b9\u304c\u30b3\u30df\u30e5\u30cb\u30c6\u30a3\u306e\u898f\u6a21\u3084\u958b\u767a\u306e\u52e2\u3044\u3067Chainer\u3092\u4e0a\u56de\u3063\u3066\u3044\u308b\u3068\u8a00\u3048\u307e\u3059\u3002\u305f\u3060\u3057\u3001Chainer\u306b\u306f\u65e5\u672c\u8a9e\u306e\u30c9\u30ad\u30e5\u30e1\u30f3\u30c8\u304c\u8c4a\u5bcc\u3067\u3042\u308b\u3068\u3044\u3046\u5229\u70b9\u304c\u3042\u308a\u307e\u3059\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>PyTorch\u306f\u3001Facebook\u306e\u4eba\u5de5\u77e5\u80fd\u7814\u7a76\u30c1\u30fc\u30e0\u304c\u958b\u767a\u3057\u305f\u30aa\u30fc\u30d7\u30f3\u30bd\u30fc\u30b9\u306e\u30c7\u30a3\u30fc\u30d7\u30e9\u30fc\u30cb\u30f3\u30b0\u30d5\u30ec\u30fc\u30e0\u30ef\u30fc\u30af\u3067\u3042\u308a\u3001Python\u30d9\u30fc\u30b9\u3067\u8a2d\u8a08\u3055\u308c\u3066\u3044\u307e\u3059\u3002\u672c\u8a18\u4e8b\u3067\u306f\u3001PyTorch\u306e\u7279\u5fb4\u3084\u5229\u70b9\u3092\u89e3\u8aac\u3057\u3001\u521d\u5fc3\u8005\u5411\u3051\u306b\u74b0 &#8230; 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