{"id":788,"date":"2024-05-15T00:19:28","date_gmt":"2024-05-14T15:19:28","guid":{"rendered":"https:\/\/chocottopro.com\/?p=788"},"modified":"2024-06-02T13:44:45","modified_gmt":"2024-06-02T04:44:45","slug":"%e3%80%90%e5%9b%b3%e8%a7%a3%e3%80%91numpy-array%e3%81%ae%e5%9f%ba%e6%9c%ac%e3%81%8b%e3%82%89%e5%bf%9c%e7%94%a8%e3%81%be%e3%81%a7%ef%bc%81%e4%bd%bf%e3%81%84%e6%96%b9%e3%83%bb%e5%ae%9f%e8%a3%85%e4%be%8b","status":"publish","type":"post","link":"https:\/\/chocottopro.com\/?p=788","title":{"rendered":"\u3010\u56f3\u89e3\u3011NumPy Array\u306e\u57fa\u672c\u304b\u3089\u5fdc\u7528\u307e\u3067\uff01\u4f7f\u3044\u65b9\u30fb\u5b9f\u88c5\u4f8b\u304b\u3089\u5185\u90e8\u69cb\u9020\u306e\u7406\u89e3\u3068\u30d9\u30b9\u30c8\u30d7\u30e9\u30af\u30c6\u30a3\u30b9\u307e\u3067\u5b8c\u5168\u30ac\u30a4\u30c9"},"content":{"rendered":"\n<p>NumPy Array\u306f\u3001Python\u3067\u306e\u30c7\u30fc\u30bf\u51e6\u7406\u3084\u79d1\u5b66\u8a08\u7b97\u306b\u6b20\u304b\u305b\u306a\u3044\u30c4\u30fc\u30eb\u3067\u3059\u3002\u3053\u306e\u8a18\u4e8b\u3067\u306f\u3001NumPy Array\u306e\u57fa\u672c\u7684\u306a\u4f7f\u3044\u65b9\u304b\u3089\u3001\u5185\u90e8\u69cb\u9020\u306e\u7406\u89e3\u3001\u30d1\u30d5\u30a9\u30fc\u30de\u30f3\u30b9\u30c1\u30e5\u30fc\u30cb\u30f3\u30b0\u306e\u30c6\u30af\u30cb\u30c3\u30af\u307e\u3067\u3001\u5b9f\u8df5\u7684\u306a\u77e5\u8b58\u3092\u8a73\u3057\u304f\u89e3\u8aac\u3057\u307e\u3059\u3002\u30b3\u30fc\u30c9\u4f8b\u3092\u4ea4\u3048\u306a\u304c\u3089\u3001NumPy Array\u3092\u30de\u30b9\u30bf\u30fc\u3059\u308b\u305f\u3081\u306e\u30dd\u30a4\u30f3\u30c8\u3092\u5b66\u3093\u3067\u3044\u304d\u307e\u3057\u3087\u3046\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>NumPy Array\u306e\u57fa\u672c\u7684\u306a\u4f5c\u6210\u65b9\u6cd5\u3068\u64cd\u4f5c\u65b9\u6cd5 <\/li>\n\n\n\n<li>\u884c\u5217\u30fb\u30c6\u30f3\u30bd\u30eb\u6f14\u7b97\u3068\u30d6\u30ed\u30fc\u30c9\u30ad\u30e3\u30b9\u30c6\u30a3\u30f3\u30b0\u306e\u6d3b\u7528\u6cd5 <\/li>\n\n\n\n<li>NumPy Array\u3092\u7528\u3044\u305f\u30c7\u30fc\u30bf\u51e6\u7406\u306e\u5b9f\u8df5\u4f8b <\/li>\n\n\n\n<li>\u30ea\u30b9\u30c8\u3084\u30c7\u30a3\u30af\u30b7\u30e7\u30ca\u30ea\u3001Pandas DataFrame\u3068\u306e\u6bd4\u8f03\u3068\u4f7f\u3044\u5206\u3051 <\/li>\n\n\n\n<li>\u30e1\u30e2\u30ea\u30ec\u30a4\u30a2\u30a6\u30c8\u3068\u5185\u90e8\u69cb\u9020\u306e\u7406\u89e3 <\/li>\n\n\n\n<li>\u5927\u898f\u6a21\u30c7\u30fc\u30bf\u51e6\u7406\u306e\u305f\u3081\u306eTips\u3068\u30d9\u30b9\u30c8\u30d7\u30e9\u30af\u30c6\u30a3\u30b9 <\/li>\n\n\n\n<li>\u4e26\u5217\u5316\u30fb\u30d9\u30af\u30c8\u30eb\u5316\u306e\u4ed5\u7d44\u307f\u3068\u6d3b\u7528\u6cd5<\/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\">NumPy Array\u3068\u306f\u4f55\u304b\uff1fPython\u3067\u306e\u30c7\u30fc\u30bf\u51e6\u7406\u306b\u304a\u3051\u308b\u5f79\u5272\u3068\u91cd\u8981\u6027<\/a>    <ul class=\"menu_level_1\">      <li class=\"first\">        <a href=\"#i-1\">NumPy Array\u306e\u5b9a\u7fa9\u3068\u57fa\u672c\u6982\u5ff5<\/a>      <\/li>      <li class=\"last\">        <a href=\"#i-2\">Python\u306b\u304a\u3051\u308bNumPy Array\u306e\u4f4d\u7f6e\u3065\u3051\u3068\u30e1\u30ea\u30c3\u30c8<\/a>      <\/li>    <\/ul>  <\/li>  <li>    <a href=\"#i-3\">NumPy Array\u306e\u57fa\u672c\u7684\u306a\u4f7f\u3044\u65b9<\/a>    <ul class=\"menu_level_1\">      <li class=\"first\">        <a href=\"#i-4\">NumPy Array\u306e\u4f5c\u6210\u3068\u521d\u671f\u5316<\/a>      <\/li>      <li>        <a href=\"#i-5\">\u8981\u7d20\u3078\u306e\u30a2\u30af\u30bb\u30b9\u3068\u30b9\u30e9\u30a4\u30b7\u30f3\u30b0<\/a>      <\/li>      <li>        <a href=\"#i-6\">\u6b21\u5143\u6570\u3068\u30b7\u30a7\u30a4\u30d7\u306e\u64cd\u4f5c<\/a>      <\/li>      <li class=\"last\">        <a href=\"#i-7\">\u30d6\u30ed\u30fc\u30c9\u30ad\u30e3\u30b9\u30c6\u30a3\u30f3\u30b0<\/a>      <\/li>    <\/ul>  <\/li>  <li>    <a href=\"#i-8\">NumPy Array\u3092\u7528\u3044\u305f\u30c7\u30fc\u30bf\u51e6\u7406\u306e\u5b9f\u8df5<\/a>    <ul class=\"menu_level_1\">      <li class=\"first\">        <a href=\"#i-9\">\u6570\u5b66\u30fb\u7d71\u8a08\u7684\u306a\u51e6\u7406\u306e\u9069\u7528<\/a>      <\/li>      <li>        <a href=\"#i-10\">\u884c\u5217\u30fb\u30c6\u30f3\u30bd\u30eb\u6f14\u7b97\u306e\u5b9f\u884c<\/a>      <\/li>      <li class=\"last\">        <a href=\"#i-11\">\u30de\u30eb\u30c1\u30e1\u30c7\u30a3\u30a2\u30c7\u30fc\u30bf\u51e6\u7406\u3078\u306e\u5fdc\u7528<\/a>      <\/li>    <\/ul>  <\/li>  <li>    <a href=\"#i-12\">NumPy Array\u3068\u305d\u306e\u4ed6\u306e\u30c7\u30fc\u30bf\u69cb\u9020\u3084\u30e9\u30a4\u30d6\u30e9\u30ea\u306e\u6bd4\u8f03<\/a>    <ul class=\"menu_level_1\">      <li class=\"first\">        <a href=\"#i-13\">\u30ea\u30b9\u30c8\u3084\u30c7\u30a3\u30af\u30b7\u30e7\u30ca\u30ea\u3068\u306e\u9055\u3044\u3068\u4f7f\u3044\u5206\u3051<\/a>      <\/li>      <li>        <a href=\"#i-14\">Pandas DataFrame\u3068\u306e\u9023\u643a<\/a>      <\/li>      <li class=\"last\">        <a href=\"#i-15\">CuPy\u3084JAX\u306a\u3069\u306e\u4ee3\u66ff\u30e9\u30a4\u30d6\u30e9\u30ea\u306e\u7279\u5fb4<\/a>      <\/li>    <\/ul>  <\/li>  <li>    <a href=\"#i-16\">NumPy Array\u306e\u30d1\u30d5\u30a9\u30fc\u30de\u30f3\u30b9\u30c1\u30e5\u30fc\u30cb\u30f3\u30b0\u3068\u30d9\u30b9\u30c8\u30d7\u30e9\u30af\u30c6\u30a3\u30b9<\/a>    <ul class=\"menu_level_1\">      <li class=\"first\">        <a href=\"#i-17\">\u30e1\u30e2\u30ea\u30ec\u30a4\u30a2\u30a6\u30c8\u3068\u5185\u90e8\u69cb\u9020\u306e\u7406\u89e3<\/a>      <\/li>      <li>        <a href=\"#i-18\">\u5927\u898f\u6a21\u30c7\u30fc\u30bf\u51e6\u7406\u306e\u305f\u3081\u306eTips<\/a>      <\/li>      <li class=\"last\">        <a href=\"#i-19\">\u4e26\u5217\u5316\u30fb\u30d9\u30af\u30c8\u30eb\u5316\u306e\u6d3b\u7528<\/a>      <\/li>    <\/ul>  <\/li>  <li class=\"last\">    <a href=\"#i-20\">\u307e\u3068\u3081\uff1aNumPy Array\u3092\u30de\u30b9\u30bf\u30fc\u3057\u3066\u30c7\u30fc\u30bf\u30b5\u30a4\u30a8\u30f3\u30b9\u306e\u30b9\u30ad\u30eb\u3092\u9ad8\u3081\u3088\u3046<\/a>  <\/li><\/ul>\n      \n    <\/div><\/div><h2 class=\"wp-block-heading\" id=\"i-0\">NumPy Array\u3068\u306f\u4f55\u304b\uff1fPython\u3067\u306e\u30c7\u30fc\u30bf\u51e6\u7406\u306b\u304a\u3051\u308b\u5f79\u5272\u3068\u91cd\u8981\u6027<\/h2>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"i-1\">NumPy Array\u306e\u5b9a\u7fa9\u3068\u57fa\u672c\u6982\u5ff5<\/h3>\n\n\n\n<p>NumPy (Numerical Python) \u306f\u3001Python\u306e\u6570\u5024\u8a08\u7b97\u30e9\u30a4\u30d6\u30e9\u30ea\u3067\u3042\u308a\u3001\u305d\u306e\u4e2d\u6838\u3092\u306a\u3059\u306e\u304cNumPy Array\uff08ndarray\uff09\u3068\u547c\u3070\u308c\u308b\u591a\u6b21\u5143\u914d\u5217\u30aa\u30d6\u30b8\u30a7\u30af\u30c8\u3067\u3059\u3002NumPy Array\u306f\u3001\u540c\u7a2e\u306e\u30c7\u30fc\u30bf\uff08\u6574\u6570\u3001\u6d6e\u52d5\u5c0f\u6570\u70b9\u6570\u3001\u6587\u5b57\u5217\u306a\u3069\uff09\u3092\u683c\u5b50\u72b6\u306b\u4e26\u3079\u305f\u30c7\u30fc\u30bf\u69cb\u9020\u3067\u30011\u6b21\u5143\u30012\u6b21\u5143\u30013\u6b21\u5143\u4ee5\u4e0a\u306e\u914d\u5217\u3092\u6271\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 numpy as np\n\n# 1\u6b21\u5143\u306eNumPy Array\narr1d = np.array([1, 2, 3, 4, 5])\nprint(arr1d)  # [1 2 3 4 5]\n\n# 2\u6b21\u5143\u306eNumPy Array\narr2d = np.array([[1, 2, 3], [4, 5, 6]])\nprint(arr2d)\n# [[1 2 3]\n#  [4 5 6]]<\/pre>\n\n\n\n<p>NumPy Array\u306f\u3001\u5168\u3066\u306e\u8981\u7d20\u304c\u540c\u3058\u30c7\u30fc\u30bf\u578b\u3067\u69cb\u6210\u3055\u308c\u3066\u3044\u308b\u305f\u3081\u3001\u30e1\u30e2\u30ea\u52b9\u7387\u304c\u826f\u304f\u3001\u9ad8\u901f\u306a\u6570\u5024\u8a08\u7b97\u304c\u53ef\u80fd\u3067\u3059\u3002\u3053\u306e\u7279\u6027\u306b\u3088\u308a\u3001\u5927\u898f\u6a21\u306a\u30c7\u30fc\u30bf\u51e6\u7406\u3084\u79d1\u5b66\u8a08\u7b97\u306b\u9069\u3057\u3066\u3044\u307e\u3059\u3002<\/p>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"i-2\">Python\u306b\u304a\u3051\u308bNumPy Array\u306e\u4f4d\u7f6e\u3065\u3051\u3068\u30e1\u30ea\u30c3\u30c8<\/h3>\n\n\n\n<p>Python\u306f\u3001\u30c7\u30fc\u30bf\u5206\u6790\u3084\u6a5f\u68b0\u5b66\u7fd2\u306e\u5206\u91ce\u3067\u5e83\u304f\u4f7f\u308f\u308c\u3066\u3044\u308b\u30d7\u30ed\u30b0\u30e9\u30df\u30f3\u30b0\u8a00\u8a9e\u3067\u3059\u304c\u3001\u6a19\u6e96\u306e\u30ea\u30b9\u30c8\u3067\u306f\u5927\u91cf\u306e\u30c7\u30fc\u30bf\u3092\u52b9\u7387\u7684\u306b\u51e6\u7406\u3059\u308b\u3053\u3068\u304c\u96e3\u3057\u3044\u5834\u5408\u304c\u3042\u308a\u307e\u3059\u3002NumPy Array\u306f\u3001\u3053\u306e\u3088\u3046\u306a\u8ab2\u984c\u3092\u89e3\u6c7a\u3059\u308b\u305f\u3081\u306b\u958b\u767a\u3055\u308c\u307e\u3057\u305f\u3002<\/p>\n\n\n\n<p>\u4ee5\u4e0b\u306f\u3001NumPy Array\u306ePython\u306b\u304a\u3051\u308b\u4e3b\u306a\u5229\u70b9\u3067\u3059\uff1a<\/p>\n\n\n\n<ol class=\"wp-block-list\">\n<li>\u30e1\u30e2\u30ea\u52b9\u7387\uff1a\u540c\u7a2e\u306e\u30c7\u30fc\u30bf\u3092\u683c\u7d0d\u3059\u308b\u305f\u3081\u3001\u30e1\u30e2\u30ea\u4f7f\u7528\u91cf\u304c\u5c11\u306a\u304f\u3001\u30ad\u30e3\u30c3\u30b7\u30e5\u306e\u52b9\u7387\u304c\u826f\u3044\u3002<\/li>\n\n\n\n<li>\u8a08\u7b97\u901f\u5ea6\uff1aC\u306e\u3088\u3046\u306a\u4f4e\u30ec\u30d9\u30eb\u8a00\u8a9e\u3067\u5b9f\u88c5\u3055\u308c\u3066\u3044\u308b\u305f\u3081\u3001Python\u306e\u30ea\u30b9\u30c8\u3068\u6bd4\u3079\u3066\u5727\u5012\u7684\u306b\u9ad8\u901f\u3002<\/li>\n\n\n\n<li>\u8c4a\u5bcc\u306a\u95a2\u6570\u7fa4\uff1a\u6570\u5b66\u95a2\u6570\u3001\u7d71\u8a08\u95a2\u6570\u3001\u7dda\u5f62\u4ee3\u6570\u95a2\u6570\u306a\u3069\u3001\u6570\u5024\u8a08\u7b97\u306b\u5f79\u7acb\u3064\u95a2\u6570\u304c\u591a\u6570\u7528\u610f\u3055\u308c\u3066\u3044\u308b\u3002<\/li>\n\n\n\n<li>\u4ed6\u306e\u30e9\u30a4\u30d6\u30e9\u30ea\u3068\u306e\u9023\u643a\uff1aPandas\u3001SciPy\u3001Matplotlib\u3001scikit-learn\u306a\u3069\u3001\u30c7\u30fc\u30bf\u5206\u6790\u3084\u6a5f\u68b0\u5b66\u7fd2\u306e\u30e9\u30a4\u30d6\u30e9\u30ea\u3068\u306e\u76f8\u6027\u304c\u826f\u3044\u3002<\/li>\n<\/ol>\n\n\n\n<p>\u4ee5\u4e0b\u306f\u3001NumPy Array\u3092\u4f7f\u3063\u305f\u7c21\u5358\u306a\u8a08\u7b97\u306e\u4f8b\u3067\u3059\uff1a<\/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 numpy as np\n\narr = np.array([[1, 2, 3], [4, 5, 6]])\n\n# \u914d\u5217\u306e\u8981\u7d20\u306e\u5408\u8a08\u3092\u8a08\u7b97\nprint(np.sum(arr))  # 21\n\n# \u914d\u5217\u306e\u8981\u7d20\u306e\u5e73\u5747\u3092\u8a08\u7b97\nprint(np.mean(arr))  # 3.5\n\n# \u914d\u5217\u306e\u8981\u7d20\u306e\u6a19\u6e96\u504f\u5dee\u3092\u8a08\u7b97\nprint(np.std(arr))  # 1.707825127659933<\/pre>\n\n\n\n<p>\u3053\u306e\u3088\u3046\u306b\u3001NumPy Array\u3092\u4f7f\u3046\u3053\u3068\u3067\u3001Python\u3067\u306e\u30c7\u30fc\u30bf\u51e6\u7406\u3084\u79d1\u5b66\u8a08\u7b97\u3092\u52b9\u7387\u7684\u304b\u3064\u9ad8\u901f\u306b\u884c\u3046\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002\u30c7\u30fc\u30bf\u30b5\u30a4\u30a8\u30f3\u30b9\u3084AI\u306e\u5206\u91ce\u3067\u50cd\u304f\u4e0a\u3067\u3001NumPy Array\u306f\u5fc5\u9808\u306e\u30c4\u30fc\u30eb\u3068\u8a00\u3048\u308b\u3067\u3057\u3087\u3046\u3002<\/p>\n\n\n\n<p>\u6b21\u306e\u30bb\u30af\u30b7\u30e7\u30f3\u3067\u306f\u3001NumPy Array\u306e\u57fa\u672c\u7684\u306a\u4f7f\u3044\u65b9\u306b\u3064\u3044\u3066\u89e3\u8aac\u3057\u307e\u3059\u3002<\/p>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"i-3\">NumPy Array\u306e\u57fa\u672c\u7684\u306a\u4f7f\u3044\u65b9<\/h2>\n\n\n\n<p>NumPy Array\u3092\u52b9\u679c\u7684\u306b\u4f7f\u7528\u3059\u308b\u306b\u306f\u3001\u305d\u306e\u57fa\u672c\u7684\u306a\u64cd\u4f5c\u65b9\u6cd5\u3092\u7406\u89e3\u3059\u308b\u3053\u3068\u304c\u91cd\u8981\u3067\u3059\u3002\u3053\u3053\u3067\u306f\u3001NumPy Array\u306e\u4f5c\u6210\u3068\u521d\u671f\u5316\u3001\u8981\u7d20\u3078\u306e\u30a2\u30af\u30bb\u30b9\u3068\u30b9\u30e9\u30a4\u30b7\u30f3\u30b0\u3001\u6b21\u5143\u6570\u3068\u30b7\u30a7\u30a4\u30d7\u306e\u64cd\u4f5c\u3001\u304a\u3088\u3073\u30d6\u30ed\u30fc\u30c9\u30ad\u30e3\u30b9\u30c6\u30a3\u30f3\u30b0\u306b\u3064\u3044\u3066\u8aac\u660e\u3057\u307e\u3059\u3002<\/p>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"i-4\">NumPy Array\u306e\u4f5c\u6210\u3068\u521d\u671f\u5316<\/h3>\n\n\n\n<p>NumPy Array\u306f\u3001<code>np.array()<\/code>\u95a2\u6570\u3092\u4f7f\u3063\u3066Python\u306e\u30ea\u30b9\u30c8\u3084\u591a\u6b21\u5143\u30ea\u30b9\u30c8\u304b\u3089\u4f5c\u6210\u3059\u308b\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002\u307e\u305f\u3001<code>np.zeros()<\/code>\u3001<code>np.ones()<\/code>\u3001<code>np.full()<\/code>\u306a\u3069\u306e\u95a2\u6570\u3092\u4f7f\u3063\u3066\u3001\u7279\u5b9a\u306e\u5024\u3067\u521d\u671f\u5316\u3055\u308c\u305fNumPy Array\u3092\u4f5c\u6210\u3059\u308b\u3053\u3068\u3082\u53ef\u80fd\u3067\u3059\u3002\u9023\u7d9a\u3057\u305f\u5024\u3092\u6301\u3064NumPy Array\u3092\u4f5c\u6210\u3059\u308b\u5834\u5408\u306f\u3001<code>np.arange()<\/code>\u3084<code>np.linspace()<\/code>\u95a2\u6570\u304c\u4fbf\u5229\u3067\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 numpy as np\n\n# \u30ea\u30b9\u30c8\u304b\u3089NumPy Array\u3092\u4f5c\u6210\narr1 = np.array([1, 2, 3, 4, 5])\n\n# \u591a\u6b21\u5143\u30ea\u30b9\u30c8\u304b\u3089NumPy Array\u3092\u4f5c\u6210\narr2 = np.array([[1, 2, 3], [4, 5, 6]])\n\n# 0\u3067\u521d\u671f\u5316\u3055\u308c\u305fNumPy Array\u3092\u4f5c\u6210\narr3 = np.zeros((3, 4))\n\n# 1\u3067\u521d\u671f\u5316\u3055\u308c\u305fNumPy Array\u3092\u4f5c\u6210\narr4 = np.ones((2, 3, 4))\n\n# \u7279\u5b9a\u306e\u5024\u3067\u521d\u671f\u5316\u3055\u308c\u305fNumPy Array\u3092\u4f5c\u6210\narr5 = np.full((3, 3), 7)\n\n# \u9023\u7d9a\u3057\u305f\u5024\u3092\u6301\u3064NumPy Array\u3092\u4f5c\u6210\narr6 = np.arange(0, 10, 2)\narr7 = np.linspace(0, 1, 5)<\/pre>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"i-5\">\u8981\u7d20\u3078\u306e\u30a2\u30af\u30bb\u30b9\u3068\u30b9\u30e9\u30a4\u30b7\u30f3\u30b0<\/h3>\n\n\n\n<p>NumPy Array\u306e\u8981\u7d20\u306b\u306f\u3001\u30a4\u30f3\u30c7\u30c3\u30af\u30b9\u3092\u4f7f\u3063\u3066\u30a2\u30af\u30bb\u30b9\u3067\u304d\u307e\u3059\u30021\u6b21\u5143\u914d\u5217\u306e\u5834\u5408\u306f<code>arr[i]<\/code>\u306e\u3088\u3046\u306b\u30a4\u30f3\u30c7\u30c3\u30af\u30b9\u3092\u6307\u5b9a\u3057\u3001\u591a\u6b21\u5143\u914d\u5217\u306e\u5834\u5408\u306f<code>arr[i, j]<\/code>\u306e\u3088\u3046\u306b\u5404\u6b21\u5143\u306e\u30a4\u30f3\u30c7\u30c3\u30af\u30b9\u3092\u30ab\u30f3\u30de\u3067\u533a\u5207\u3063\u3066\u6307\u5b9a\u3057\u307e\u3059\u3002\u307e\u305f\u3001\u30b9\u30e9\u30a4\u30b7\u30f3\u30b0\u6a5f\u80fd\u3092\u4f7f\u3063\u3066\u3001\u914d\u5217\u306e\u4e00\u90e8\u3092\u62bd\u51fa\u3059\u308b\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002\u30b9\u30e9\u30a4\u30b7\u30f3\u30b0\u306f<code>arr[start:stop:step]<\/code>\u306e\u5f62\u5f0f\u3067\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 numpy as np\n\narr = np.array([[1, 2, 3], [4, 5, 6], [7, 8, 9]])\n\n# \u8981\u7d20\u3078\u306e\u30a2\u30af\u30bb\u30b9\nprint(arr[0, 0])  # 1\nprint(arr[1, 2])  # 6\n\n# \u30b9\u30e9\u30a4\u30b7\u30f3\u30b0\nprint(arr[0:2, 1:3])\n# [[2 3]\n#  [5 6]]\n\nprint(arr[:, 1])  # [2 5 8]\nprint(arr[1, :])  # [4 5 6]<\/pre>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"i-6\">\u6b21\u5143\u6570\u3068\u30b7\u30a7\u30a4\u30d7\u306e\u64cd\u4f5c<\/h3>\n\n\n\n<p>NumPy Array\u306e<code>shape<\/code>\u5c5e\u6027\u3092\u4f7f\u3063\u3066\u3001\u914d\u5217\u306e\u5f62\u72b6\uff08\u5404\u6b21\u5143\u306e\u9577\u3055\uff09\u3092\u53d6\u5f97\u3057\u305f\u308a\u3001\u5909\u66f4\u3057\u305f\u308a\u3067\u304d\u307e\u3059\u3002<code>reshape()<\/code>\u30e1\u30bd\u30c3\u30c9\u3092\u4f7f\u3048\u3070\u3001\u914d\u5217\u306e\u5f62\u72b6\u3092\u5909\u66f4\u3059\u308b\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002\u307e\u305f\u3001<code>transpose()<\/code>\u30e1\u30bd\u30c3\u30c9\u3092\u4f7f\u3063\u3066\u3001\u914d\u5217\u306e\u8ef8\u3092\u5165\u308c\u66ff\u3048\u308b\u3053\u3068\u3082\u53ef\u80fd\u3067\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 numpy as np\n\narr = np.array([[1, 2, 3], [4, 5, 6]])\n\n# \u914d\u5217\u306e\u5f62\u72b6\u3092\u53d6\u5f97\nprint(arr.shape)  # (2, 3)\n\n# \u914d\u5217\u306e\u5f62\u72b6\u3092\u5909\u66f4\nnew_arr = arr.reshape((3, 2))\nprint(new_arr)\n# [[1 2]\n#  [3 4]\n#  [5 6]]\n\n# \u914d\u5217\u306e\u8ef8\u3092\u5165\u308c\u66ff\u3048\ntransposed_arr = arr.transpose()\nprint(transposed_arr)\n# [[1 4]\n#  [2 5]\n#  [3 6]]<\/pre>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"i-7\">\u30d6\u30ed\u30fc\u30c9\u30ad\u30e3\u30b9\u30c6\u30a3\u30f3\u30b0<\/h3>\n\n\n\n<p>NumPy Array\u306e\u6f14\u7b97\u3067\u306f\u3001\u30d6\u30ed\u30fc\u30c9\u30ad\u30e3\u30b9\u30c6\u30a3\u30f3\u30b0\u3068\u547c\u3070\u308c\u308b\u6a5f\u80fd\u304c\u81ea\u52d5\u7684\u306b\u9069\u7528\u3055\u308c\u307e\u3059\u3002\u3053\u308c\u306f\u3001\u5f62\u72b6\u304c\u7570\u306a\u308b\u914d\u5217\u540c\u58eb\u306e\u6f14\u7b97\u3092\u53ef\u80fd\u306b\u3059\u308b\u4ed5\u7d44\u307f\u3067\u3059\u3002\u914d\u5217\u306e\u30b5\u30a4\u30ba\u304c\u4e00\u81f4\u3057\u306a\u3044\u5834\u5408\u3001NumPy\u306f\u81ea\u52d5\u7684\u306b\u914d\u5217\u3092\u62e1\u5f35\u3057\u3066\u6f14\u7b97\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=\"\">import numpy as np\n\narr1 = np.array([[1, 2, 3], [4, 5, 6]])\narr2 = np.array([10, 20, 30])\n\n# \u30d6\u30ed\u30fc\u30c9\u30ad\u30e3\u30b9\u30c6\u30a3\u30f3\u30b0\u3092\u4f7f\u3063\u305f\u6f14\u7b97\nresult = arr1 + arr2\nprint(result)\n# [[11 22 33]\n#  [14 25 36]]<\/pre>\n\n\n\n<p>\u3053\u308c\u3089\u306e\u57fa\u672c\u7684\u306a\u64cd\u4f5c\u3092\u7406\u89e3\u3059\u308b\u3053\u3068\u3067\u3001NumPy Array\u3092\u4f7f\u3063\u305f\u30c7\u30fc\u30bf\u51e6\u7406\u3092\u3088\u308a\u52b9\u679c\u7684\u306b\u884c\u3046\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002\u6b21\u306e\u30bb\u30af\u30b7\u30e7\u30f3\u3067\u306f\u3001NumPy Array\u3092\u4f7f\u3063\u305f\u5b9f\u8df5\u7684\u306a\u30c7\u30fc\u30bf\u51e6\u7406\u306e\u4f8b\u3092\u898b\u3066\u3044\u304d\u307e\u3059\u3002<\/p>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"i-8\">NumPy Array\u3092\u7528\u3044\u305f\u30c7\u30fc\u30bf\u51e6\u7406\u306e\u5b9f\u8df5<\/h2>\n\n\n\n<p>NumPy Array\u306f\u3001\u6570\u5b66\u30fb\u7d71\u8a08\u7684\u306a\u51e6\u7406\u3001\u884c\u5217\u30fb\u30c6\u30f3\u30bd\u30eb\u6f14\u7b97\u3001\u30de\u30eb\u30c1\u30e1\u30c7\u30a3\u30a2\u30c7\u30fc\u30bf\u51e6\u7406\u306a\u3069\u3001\u69d8\u3005\u306a\u5206\u91ce\u3067\u6d3b\u7528\u3055\u308c\u3066\u3044\u307e\u3059\u3002\u3053\u3053\u3067\u306f\u3001NumPy Array\u3092\u7528\u3044\u305f\u30c7\u30fc\u30bf\u51e6\u7406\u306e\u5b9f\u8df5\u7684\u306a\u4f8b\u3092\u898b\u3066\u3044\u304d\u307e\u3059\u3002<\/p>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"i-9\">\u6570\u5b66\u30fb\u7d71\u8a08\u7684\u306a\u51e6\u7406\u306e\u9069\u7528<\/h3>\n\n\n\n<p>NumPy\u306f\u3001\u591a\u69d8\u306a\u6570\u5b66\u95a2\u6570\u3084\u7d71\u8a08\u95a2\u6570\u3092\u63d0\u4f9b\u3057\u3066\u304a\u308a\u3001NumPy Array\u306b\u5bfe\u3057\u3066\u52b9\u7387\u7684\u306b\u6570\u5b66\u30fb\u7d71\u8a08\u7684\u306a\u51e6\u7406\u3092\u884c\u3046\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002\u4f8b\u3048\u3070\u3001<code>np.sin()<\/code>\u3001<code>np.cos()<\/code>\u3001<code>np.exp()<\/code>\u306a\u3069\u3001\u8981\u7d20\u3054\u3068\u306b\u9069\u7528\u3055\u308c\u308b\u6570\u5b66\u95a2\u6570\u304c\u3042\u308a\u307e\u3059\u3002\u307e\u305f\u3001<code>np.sum()<\/code>\u3001<code>np.mean()<\/code>\u3001<code>np.std()<\/code>\u306a\u3069\u3001\u914d\u5217\u306e\u7d71\u8a08\u91cf\u3092\u8a08\u7b97\u3059\u308b\u95a2\u6570\u3082\u7528\u610f\u3055\u308c\u3066\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 numpy as np\n\narr = np.array([[1, 2, 3], [4, 5, 6]])\n\n# \u6570\u5b66\u95a2\u6570\u306e\u9069\u7528\nprint(np.sin(arr))\n# [[ 0.84147098  0.90929743  0.14112001]\n#  [-0.7568025  -0.95892427 -0.2794155 ]]\n\n# \u7d71\u8a08\u91cf\u306e\u8a08\u7b97\nprint(np.sum(arr))  # 21\nprint(np.mean(arr))  # 3.5\nprint(np.std(arr))  # 1.707825127659933<\/pre>\n\n\n\n<p>\u3053\u308c\u3089\u306e\u95a2\u6570\u3092\u4f7f\u3046\u3053\u3068\u3067\u3001\u5927\u898f\u6a21\u306a\u30c7\u30fc\u30bf\u30bb\u30c3\u30c8\u306b\u5bfe\u3057\u3066\u3082\u9ad8\u901f\u306b\u6570\u5b66\u30fb\u7d71\u8a08\u7684\u306a\u51e6\u7406\u3092\u884c\u3046\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002<\/p>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"i-10\">\u884c\u5217\u30fb\u30c6\u30f3\u30bd\u30eb\u6f14\u7b97\u306e\u5b9f\u884c<\/h3>\n\n\n\n<p>NumPy Array\u3092\u4f7f\u3063\u3066\u3001\u884c\u5217\u3084\u30c6\u30f3\u30bd\u30eb\u306e\u6f14\u7b97\u3092\u52b9\u7387\u7684\u306b\u5b9f\u884c\u3067\u304d\u307e\u3059\u3002<code>np.dot()<\/code>\u95a2\u6570\u3092\u4f7f\u3048\u3070\u3001\u884c\u5217\u306e\u7a4d\u3092\u8a08\u7b97\u3067\u304d\u307e\u3059\u3002\u307e\u305f\u3001<code>np.linalg.inv()<\/code>\u95a2\u6570\u3092\u4f7f\u3063\u3066\u3001\u884c\u5217\u306e\u9006\u884c\u5217\u3092\u6c42\u3081\u308b\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002\u30c6\u30f3\u30bd\u30eb\u7a4d\u306e\u8a08\u7b97\u306b\u306f\u3001<code>np.tensordot()<\/code>\u95a2\u6570\u304c\u7528\u610f\u3055\u308c\u3066\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 numpy as np\n\nmat1 = np.array([[1, 2], [3, 4]])\nmat2 = np.array([[5, 6], [7, 8]])\n\n# \u884c\u5217\u306e\u7a4d\nproduct = np.dot(mat1, mat2)\nprint(product)\n# [[19 22]\n#  [43 50]]\n\n# \u884c\u5217\u306e\u9006\u884c\u5217\ninv = np.linalg.inv(mat1)\nprint(inv)\n# [[-2.   1. ]\n#  [ 1.5 -0.5]]\n\n# \u30c6\u30f3\u30bd\u30eb\u7a4d\ntensor1 = np.array([[1, 2], [3, 4]])\ntensor2 = np.array([[5, 6], [7, 8]])\ntensor_product = np.tensordot(tensor1, tensor2, axes=1)\nprint(tensor_product)\n# [[17 23]\n#  [39 53]]<\/pre>\n\n\n\n<p>\u3053\u308c\u3089\u306e\u6f14\u7b97\u306f\u3001\u6a5f\u68b0\u5b66\u7fd2\u3084\u30c7\u30fc\u30bf\u5206\u6790\u306e\u5206\u91ce\u3067\u983b\u7e41\u306b\u4f7f\u7528\u3055\u308c\u307e\u3059\u3002NumPy Array\u3092\u6d3b\u7528\u3059\u308b\u3053\u3068\u3067\u3001\u3053\u308c\u3089\u306e\u8a08\u7b97\u3092\u9ad8\u901f\u304b\u3064\u52b9\u7387\u7684\u306b\u884c\u3046\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002<\/p>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"i-11\">\u30de\u30eb\u30c1\u30e1\u30c7\u30a3\u30a2\u30c7\u30fc\u30bf\u51e6\u7406\u3078\u306e\u5fdc\u7528<\/h3>\n\n\n\n<p>NumPy Array\u306f\u3001\u753b\u50cf\u3084\u97f3\u58f0\u306a\u3069\u306e\u30de\u30eb\u30c1\u30e1\u30c7\u30a3\u30a2\u30c7\u30fc\u30bf\u51e6\u7406\u306b\u3082\u6d3b\u7528\u3067\u304d\u307e\u3059\u3002\u753b\u50cf\u30c7\u30fc\u30bf\u306f\u3001NumPy Array\u3067\u8868\u73fe\u3055\u308c\u3001\u5404\u30d4\u30af\u30bb\u30eb\u306e\u5024\u3092\u64cd\u4f5c\u3059\u308b\u3053\u3068\u3067\u753b\u50cf\u51e6\u7406\u304c\u884c\u3048\u307e\u3059\u3002\u97f3\u58f0\u30c7\u30fc\u30bf\u3082\u3001NumPy Array\u3067\u8868\u73fe\u3055\u308c\u3001\u30b5\u30f3\u30d7\u30ea\u30f3\u30b0\u30ec\u30fc\u30c8\u3084\u30c1\u30e3\u30f3\u30cd\u30eb\u6570\u306a\u3069\u306e\u60c5\u5831\u3092\u6301\u3061\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 numpy as np\nfrom PIL import Image\n\n# \u753b\u50cf\u30c7\u30fc\u30bf\u306e\u8aad\u307f\u8fbc\u307f\nimg = Image.open(\"image.jpg\")\nimg_array = np.array(img)\n\n# \u753b\u50cf\u30c7\u30fc\u30bf\u306e\u64cd\u4f5c\nimg_array_gray = np.mean(img_array, axis=2)\nimg_gray = Image.fromarray(np.uint8(img_array_gray))\nimg_gray.save(\"image_gray.jpg\")\n\n# \u97f3\u58f0\u30c7\u30fc\u30bf\u306e\u751f\u6210\nsampling_rate = 44100\nduration = 5\nt = np.linspace(0, duration, int(sampling_rate * duration), endpoint=False)\nfrequencies = [440, 880, 1760]\naudio_data = np.sum([np.sin(2 * np.pi * f * t) for f in frequencies], axis=0)\n\n# \u97f3\u58f0\u30c7\u30fc\u30bf\u306e\u64cd\u4f5c\naudio_data_normalized = audio_data \/ np.max(np.abs(audio_data))<\/pre>\n\n\n\n<p>\u4e0a\u8a18\u306e\u4f8b\u3067\u306f\u3001\u753b\u50cf\u30c7\u30fc\u30bf\u3092\u30b0\u30ec\u30fc\u30b9\u30b1\u30fc\u30eb\u5316\u3059\u308b\u51e6\u7406\u3068\u3001\u8907\u6570\u306e\u5468\u6ce2\u6570\u3092\u7d44\u307f\u5408\u308f\u305b\u3066\u97f3\u58f0\u30c7\u30fc\u30bf\u3092\u751f\u6210\u3059\u308b\u51e6\u7406\u3092\u793a\u3057\u3066\u3044\u307e\u3059\u3002NumPy Array\u3092\u4f7f\u3046\u3053\u3068\u3067\u3001\u3053\u308c\u3089\u306e\u30de\u30eb\u30c1\u30e1\u30c7\u30a3\u30a2\u30c7\u30fc\u30bf\u3092\u9ad8\u901f\u304b\u3064\u52b9\u7387\u7684\u306b\u51e6\u7406\u3059\u308b\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002<\/p>\n\n\n\n<p>\u4ee5\u4e0a\u306e\u3088\u3046\u306b\u3001NumPy Array\u306f\u69d8\u3005\u306a\u30c7\u30fc\u30bf\u51e6\u7406\u306e\u5834\u9762\u3067\u6d3b\u8e8d\u3057\u307e\u3059\u3002\u6b21\u306e\u30bb\u30af\u30b7\u30e7\u30f3\u3067\u306f\u3001NumPy Array\u3068\u305d\u306e\u4ed6\u306e\u30c7\u30fc\u30bf\u69cb\u9020\u3084\u30e9\u30a4\u30d6\u30e9\u30ea\u3068\u306e\u6bd4\u8f03\u3092\u884c\u3044\u307e\u3059\u3002<\/p>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"i-12\">NumPy Array\u3068\u305d\u306e\u4ed6\u306e\u30c7\u30fc\u30bf\u69cb\u9020\u3084\u30e9\u30a4\u30d6\u30e9\u30ea\u306e\u6bd4\u8f03<\/h2>\n\n\n\n<p>NumPy Array\u306f\u3001Python\u306e\u30c7\u30fc\u30bf\u51e6\u7406\u306b\u304a\u3044\u3066\u4e2d\u5fc3\u7684\u306a\u5f79\u5272\u3092\u679c\u305f\u3057\u3066\u3044\u307e\u3059\u304c\u3001\u4ed6\u306e\u30c7\u30fc\u30bf\u69cb\u9020\u3084\u30e9\u30a4\u30d6\u30e9\u30ea\u3068\u306e\u6bd4\u8f03\u3092\u901a\u3058\u3066\u3001\u305d\u306e\u7279\u5fb4\u3084\u4f7f\u3044\u5206\u3051\u3092\u7406\u89e3\u3059\u308b\u3053\u3068\u304c\u91cd\u8981\u3067\u3059\u3002\u3053\u3053\u3067\u306f\u3001\u30ea\u30b9\u30c8\u3084\u30c7\u30a3\u30af\u30b7\u30e7\u30ca\u30ea\u3068\u306e\u9055\u3044\u3001Pandas DataFrame\u3068\u306e\u9023\u643a\u3001\u304a\u3088\u3073CuPy\u3084JAX\u306a\u3069\u306e\u4ee3\u66ff\u30e9\u30a4\u30d6\u30e9\u30ea\u306e\u7279\u5fb4\u306b\u3064\u3044\u3066\u8aac\u660e\u3057\u307e\u3059\u3002<\/p>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"i-13\">\u30ea\u30b9\u30c8\u3084\u30c7\u30a3\u30af\u30b7\u30e7\u30ca\u30ea\u3068\u306e\u9055\u3044\u3068\u4f7f\u3044\u5206\u3051<\/h3>\n\n\n\n<p>Python\u306e\u6a19\u6e96\u30c7\u30fc\u30bf\u69cb\u9020\u3067\u3042\u308b\u30ea\u30b9\u30c8\u3068\u30c7\u30a3\u30af\u30b7\u30e7\u30ca\u30ea\u306f\u3001NumPy Array\u3068\u306f\u7570\u306a\u308b\u7279\u6027\u3092\u6301\u3063\u3066\u3044\u307e\u3059\u3002\u30ea\u30b9\u30c8\u306f\u3001\u7570\u306a\u308b\u578b\u306e\u30c7\u30fc\u30bf\u3092\u683c\u7d0d\u3067\u304d\u308b\u67d4\u8edf\u6027\u304c\u3042\u308b\u4e00\u65b9\u3001NumPy Array\u306f\u540c\u3058\u578b\u306e\u30c7\u30fc\u30bf\u3092\u683c\u7d0d\u3059\u308b\u3053\u3068\u3067\u3001\u30e1\u30e2\u30ea\u52b9\u7387\u3068\u8a08\u7b97\u901f\u5ea6\u3092\u512a\u5148\u3057\u3066\u3044\u307e\u3059\u3002\u30c7\u30a3\u30af\u30b7\u30e7\u30ca\u30ea\u306f\u3001\u30ad\u30fc\u3068\u5024\u306e\u30da\u30a2\u3092\u683c\u7d0d\u3059\u308b\u306e\u306b\u9069\u3057\u3066\u304a\u308a\u3001NumPy Array\u3068\u306f\u4f7f\u7528\u76ee\u7684\u304c\u7570\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=\"\">import numpy as np\n\n# Python\u306e\u30ea\u30b9\u30c8\nlist_data = [1, 2, 3, 4, 5]\n\n# NumPy Array\narray_data = np.array([1, 2, 3, 4, 5])\n\n# \u30ea\u30b9\u30c8\u3068NumPy Array\u306e\u8a08\u7b97\u901f\u5ea6\u6bd4\u8f03\n%timeit [x * 2 for x in list_data]\n# 298 ns \u00b1 5.14 ns per loop (mean \u00b1 std. dev. of 7 runs, 1000000 loops each)\n\n%timeit array_data * 2\n# 583 ns \u00b1 10.8 ns per loop (mean \u00b1 std. dev. of 7 runs, 1000000 loops each)<\/pre>\n\n\n\n<p>\u4e0a\u8a18\u306e\u4f8b\u3067\u306f\u3001\u30ea\u30b9\u30c8\u3068NumPy Array\u3067\u540c\u3058\u8a08\u7b97\u3092\u884c\u3063\u305f\u5834\u5408\u306e\u901f\u5ea6\u6bd4\u8f03\u3092\u793a\u3057\u3066\u3044\u307e\u3059\u3002NumPy Array\u3092\u4f7f\u7528\u3059\u308b\u3053\u3068\u3067\u3001\u3088\u308a\u9ad8\u901f\u306b\u8a08\u7b97\u3092\u884c\u3046\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002<\/p>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"i-14\">Pandas DataFrame\u3068\u306e\u9023\u643a<\/h3>\n\n\n\n<p>Pandas DataFrame\u306f\u3001NumPy Array\u3092\u57fa\u790e\u3068\u3057\u3066\u304a\u308a\u3001\u30e9\u30d9\u30eb\u4ed8\u304d\u306e2\u6b21\u5143\u30c7\u30fc\u30bf\u69cb\u9020\u3092\u63d0\u4f9b\u3057\u307e\u3059\u3002DataFrame\u306f\u3001\u30c7\u30fc\u30bf\u5206\u6790\u3084\u30c7\u30fc\u30bf\u64cd\u4f5c\u306b\u7279\u5316\u3057\u3066\u304a\u308a\u3001NumPy Array\u3068\u30b7\u30fc\u30e0\u30ec\u30b9\u306b\u9023\u643a\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 numpy as np\nimport pandas as pd\n\n# NumPy Array\narray_data = np.array([[1, 2, 3], [4, 5, 6]])\n\n# NumPy Array\u304b\u3089Pandas DataFrame\u3092\u4f5c\u6210\ndf = pd.DataFrame(array_data, columns=['A', 'B', 'C'])\nprint(df)\n#    A  B  C\n# 0  1  2  3\n# 1  4  5  6\n\n# DataFrame\u304b\u3089NumPy Array\u3092\u53d6\u5f97\ndf_array = df.values\nprint(df_array)\n# [[1 2 3]\n#  [4 5 6]]<\/pre>\n\n\n\n<p>\u4e0a\u8a18\u306e\u4f8b\u3067\u306f\u3001NumPy Array\u304b\u3089Pandas DataFrame\u3092\u4f5c\u6210\u3057\u3001\u305d\u306e\u9006\u306e\u5909\u63db\u3082\u884c\u3063\u3066\u3044\u307e\u3059\u3002\u3053\u306e\u3088\u3046\u306b\u3001NumPy Array\u3068Pandas DataFrame\u306f\u5bc6\u63a5\u306b\u95a2\u4fc2\u3057\u3066\u304a\u308a\u3001\u30c7\u30fc\u30bf\u5206\u6790\u306e\u30ef\u30fc\u30af\u30d5\u30ed\u30fc\u306e\u4e2d\u3067\u983b\u7e41\u306b\u884c\u304d\u6765\u3057\u307e\u3059\u3002<\/p>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"i-15\">CuPy\u3084JAX\u306a\u3069\u306e\u4ee3\u66ff\u30e9\u30a4\u30d6\u30e9\u30ea\u306e\u7279\u5fb4<\/h3>\n\n\n\n<p>NumPy\u306e\u4ee3\u66ff\u30e9\u30a4\u30d6\u30e9\u30ea\u3068\u3057\u3066\u3001CuPy\u3084JAX\u306a\u3069\u304c\u3042\u308a\u307e\u3059\u3002CuPy\u306f\u3001NumPy\u3068\u4e92\u63db\u6027\u306e\u3042\u308bAPI\u3092\u63d0\u4f9b\u3057\u3001NVIDIA GPU\u3092\u4f7f\u7528\u3057\u3066\u9ad8\u901f\u306a\u8a08\u7b97\u3092\u884c\u3046\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002JAX\u306f\u3001NumPy\u3068\u985e\u4f3c\u3057\u305fAPI\u3092\u63d0\u4f9b\u3057\u3001\u81ea\u52d5\u5fae\u5206\u3001JIT\uff08Just-In-Time\uff09\u30b3\u30f3\u30d1\u30a4\u30eb\u3001\u304a\u3088\u3073\u4e26\u5217\u5316\u306e\u6a5f\u80fd\u3092\u5099\u3048\u3066\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 cupy as cp\n\n# CuPy\u3067\u306e\u914d\u5217\u4f5c\u6210\u3068\u8a08\u7b97\ncupy_array = cp.array([[1, 2, 3], [4, 5, 6]])\nresult = cupy_array * 2\nprint(result)\n# [[2 4 6]\n#  [8 10 12]]<\/pre>\n\n\n\n<p>\u4e0a\u8a18\u306e\u4f8b\u3067\u306f\u3001CuPy\u3092\u4f7f\u7528\u3057\u3066\u914d\u5217\u306e\u4f5c\u6210\u3068\u8a08\u7b97\u3092\u884c\u3063\u3066\u3044\u307e\u3059\u3002\u3053\u308c\u3089\u306e\u4ee3\u66ff\u30e9\u30a4\u30d6\u30e9\u30ea\u306f\u3001NumPy\u3068\u540c\u69d8\u306e\u4f7f\u3044\u52dd\u624b\u3067\u3001\u7279\u5b9a\u306e\u30cf\u30fc\u30c9\u30a6\u30a7\u30a2\u3084\u30e6\u30fc\u30b9\u30b1\u30fc\u30b9\u306b\u6700\u9069\u5316\u3055\u308c\u305f\u8a08\u7b97\u3092\u63d0\u4f9b\u3057\u307e\u3059\u3002<\/p>\n\n\n\n<p>NumPy Array\u306f\u3001Python\u306e\u30c7\u30fc\u30bf\u51e6\u7406\u306b\u304a\u3044\u3066\u91cd\u8981\u306a\u5f79\u5272\u3092\u679c\u305f\u3057\u3066\u3044\u307e\u3059\u304c\u3001\u4ed6\u306e\u30c7\u30fc\u30bf\u69cb\u9020\u3084\u30e9\u30a4\u30d6\u30e9\u30ea\u3068\u306e\u9023\u643a\u3084\u4f7f\u3044\u5206\u3051\u3092\u7406\u89e3\u3059\u308b\u3053\u3068\u3067\u3001\u3088\u308a\u52b9\u679c\u7684\u306b\u30c7\u30fc\u30bf\u51e6\u7406\u3092\u884c\u3046\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002\u6b21\u306e\u30bb\u30af\u30b7\u30e7\u30f3\u3067\u306f\u3001NumPy Array\u306e\u30d1\u30d5\u30a9\u30fc\u30de\u30f3\u30b9\u30c1\u30e5\u30fc\u30cb\u30f3\u30b0\u3068\u30d9\u30b9\u30c8\u30d7\u30e9\u30af\u30c6\u30a3\u30b9\u306b\u3064\u3044\u3066\u8aac\u660e\u3057\u307e\u3059\u3002<\/p>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"i-16\">NumPy Array\u306e\u30d1\u30d5\u30a9\u30fc\u30de\u30f3\u30b9\u30c1\u30e5\u30fc\u30cb\u30f3\u30b0\u3068\u30d9\u30b9\u30c8\u30d7\u30e9\u30af\u30c6\u30a3\u30b9<\/h2>\n\n\n\n<p>NumPy Array\u3092\u4f7f\u3063\u3066\u30c7\u30fc\u30bf\u51e6\u7406\u3092\u884c\u3046\u969b\u3001\u30d1\u30d5\u30a9\u30fc\u30de\u30f3\u30b9\u3092\u6700\u5927\u9650\u306b\u5f15\u304d\u51fa\u3059\u305f\u3081\u306b\u306f\u3001\u5185\u90e8\u69cb\u9020\u306e\u7406\u89e3\u3068\u30d9\u30b9\u30c8\u30d7\u30e9\u30af\u30c6\u30a3\u30b9\u306e\u9069\u7528\u304c\u91cd\u8981\u3067\u3059\u3002\u3053\u3053\u3067\u306f\u3001\u30e1\u30e2\u30ea\u30ec\u30a4\u30a2\u30a6\u30c8\u3068\u5185\u90e8\u69cb\u9020\u3001\u5927\u898f\u6a21\u30c7\u30fc\u30bf\u51e6\u7406\u306e\u305f\u3081\u306eTips\u3001\u4e26\u5217\u5316\u30fb\u30d9\u30af\u30c8\u30eb\u5316\u306e\u6d3b\u7528\u306b\u3064\u3044\u3066\u8aac\u660e\u3057\u307e\u3059\u3002<\/p>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"i-17\">\u30e1\u30e2\u30ea\u30ec\u30a4\u30a2\u30a6\u30c8\u3068\u5185\u90e8\u69cb\u9020\u306e\u7406\u89e3<\/h3>\n\n\n\n<p>NumPy Array\u306f\u3001\u9023\u7d9a\u3057\u305f\u30e1\u30e2\u30ea\u30d6\u30ed\u30c3\u30af\u4e0a\u306b\u683c\u7d0d\u3055\u308c\u3001\u5168\u3066\u306e\u8981\u7d20\u304c\u540c\u3058\u30c7\u30fc\u30bf\u578b\u3067\u69cb\u6210\u3055\u308c\u3066\u3044\u307e\u3059\u3002\u914d\u5217\u306e\u5f62\u72b6\u3068\u30b9\u30c8\u30e9\u30a4\u30c9\u306b\u3088\u3063\u3066\u3001\u591a\u6b21\u5143\u914d\u5217\u306e\u30e1\u30e2\u30ea\u30ec\u30a4\u30a2\u30a6\u30c8\u304c\u6c7a\u5b9a\u3055\u308c\u307e\u3059\u3002C\u30aa\u30fc\u30c0\u30fc\uff08\u884c\u512a\u5148\uff09\u3068Fortran\u30aa\u30fc\u30c0\u30fc\uff08\u5217\u512a\u5148\uff09\u306e2\u3064\u306e\u30e1\u30e2\u30ea\u30ec\u30a4\u30a2\u30a6\u30c8\u304c\u3042\u308a\u3001\u30e1\u30e2\u30ea\u30ec\u30a4\u30a2\u30a6\u30c8\u3092\u7406\u89e3\u3059\u308b\u3053\u3068\u3067\u3001\u914d\u5217\u306e\u64cd\u4f5c\u3084\u30d1\u30d5\u30a9\u30fc\u30de\u30f3\u30b9\u30c1\u30e5\u30fc\u30cb\u30f3\u30b0\u306b\u5f79\u7acb\u3061\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 numpy as np\n\n# C\u30aa\u30fc\u30c0\u30fc\u306e\u914d\u5217\nc_array = np.array([[1, 2, 3], [4, 5, 6]], order='C')\nprint(c_array.flags)\n#  C_CONTIGUOUS : True\n#  F_CONTIGUOUS : False\n#  OWNDATA : True\n#  WRITEABLE : True\n#  ALIGNED : True\n#  WRITEBACKIFCOPY : False\n#  UPDATEIFCOPY : False\n\n# Fortran\u30aa\u30fc\u30c0\u30fc\u306e\u914d\u5217\nf_array = np.array([[1, 2, 3], [4, 5, 6]], order='F')\nprint(f_array.flags)\n#  C_CONTIGUOUS : False\n#  F_CONTIGUOUS : True\n#  OWNDATA : True\n#  WRITEABLE : True\n#  ALIGNED : True\n#  WRITEBACKIFCOPY : False\n#  UPDATEIFCOPY : False<\/pre>\n\n\n\n<p>\u4e0a\u8a18\u306e\u4f8b\u3067\u306f\u3001C\u30aa\u30fc\u30c0\u30fc\u3068Fortran\u30aa\u30fc\u30c0\u30fc\u306e\u914d\u5217\u3092\u4f5c\u6210\u3057\u3001\u305d\u308c\u305e\u308c\u306e\u30e1\u30e2\u30ea\u30ec\u30a4\u30a2\u30a6\u30c8\u3092\u78ba\u8a8d\u3057\u3066\u3044\u307e\u3059\u3002<\/p>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"i-18\">\u5927\u898f\u6a21\u30c7\u30fc\u30bf\u51e6\u7406\u306e\u305f\u3081\u306eTips<\/h3>\n\n\n\n<p>\u5927\u898f\u6a21\u306a\u30c7\u30fc\u30bf\u3092\u51e6\u7406\u3059\u308b\u969b\u3001NumPy Array\u3092\u4f7f\u3046\u4e0a\u3067\u306e\u30d9\u30b9\u30c8\u30d7\u30e9\u30af\u30c6\u30a3\u30b9\u3092\u9069\u7528\u3059\u308b\u3053\u3068\u3067\u3001\u30d1\u30d5\u30a9\u30fc\u30de\u30f3\u30b9\u3092\u5411\u4e0a\u3055\u305b\u308b\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002\u53ef\u80fd\u306a\u9650\u308a\u3001Python\u306e\u30eb\u30fc\u30d7\u3092\u907f\u3051\u3001NumPy\u306e\u95a2\u6570\u3084\u30d6\u30ed\u30fc\u30c9\u30ad\u30e3\u30b9\u30c6\u30a3\u30f3\u30b0\u3092\u4f7f\u7528\u3057\u307e\u3057\u3087\u3046\u3002\u307e\u305f\u3001\u30e1\u30e2\u30ea\u4f7f\u7528\u91cf\u306b\u6ce8\u610f\u3057\u3001\u5fc5\u8981\u306b\u5fdc\u3058\u3066\u914d\u5217\u306e\u30c7\u30fc\u30bf\u578b\u3092\u5909\u66f4\u3059\u308b\u3053\u3068\u3067\u3001\u30e1\u30e2\u30ea\u4f7f\u7528\u91cf\u3092\u524a\u6e1b\u3067\u304d\u307e\u3059\u3002\u914d\u5217\u306e\u64cd\u4f5c\u3067\u306f\u3001\u30a4\u30f3\u30d7\u30ec\u30fc\u30b9\u64cd\u4f5c\uff08+=\u3001*=\u306a\u3069\uff09\u3092\u4f7f\u7528\u3059\u308b\u3053\u3068\u3067\u3001\u30e1\u30e2\u30ea\u306e\u518d\u5272\u308a\u5f53\u3066\u3092\u907f\u3051\u308b\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 numpy as np\n\n# \u30eb\u30fc\u30d7\u3092\u4f7f\u7528\u3057\u306a\u3044\u4f8b\narr = np.arange(1000000)\nresult = np.sum(arr)\nprint(result)  # 499999500000\n\n# \u30a4\u30f3\u30d7\u30ec\u30fc\u30b9\u64cd\u4f5c\u306e\u4f8b\narr = np.ones((1000, 1000))\narr += 1\nprint(arr)\n# [[2. 2. 2. ... 2. 2. 2.]\n#  [2. 2. 2. ... 2. 2. 2.]\n#  [2. 2. 2. ... 2. 2. 2.]\n#  ...\n#  [2. 2. 2. ... 2. 2. 2.]\n#  [2. 2. 2. ... 2. 2. 2.]\n#  [2. 2. 2. ... 2. 2. 2.]]<\/pre>\n\n\n\n<p>\u4e0a\u8a18\u306e\u4f8b\u3067\u306f\u3001\u30eb\u30fc\u30d7\u3092\u4f7f\u7528\u305b\u305a\u306b\u914d\u5217\u306e\u5408\u8a08\u3092\u8a08\u7b97\u3057\u3001\u30a4\u30f3\u30d7\u30ec\u30fc\u30b9\u64cd\u4f5c\u3092\u4f7f\u3063\u3066\u914d\u5217\u306e\u8981\u7d20\u3092\u66f4\u65b0\u3057\u3066\u3044\u307e\u3059\u3002<\/p>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"i-19\">\u4e26\u5217\u5316\u30fb\u30d9\u30af\u30c8\u30eb\u5316\u306e\u6d3b\u7528<\/h3>\n\n\n\n<p>NumPy\u306f\u3001\u4e26\u5217\u5316\u3084\u30d9\u30af\u30c8\u30eb\u5316\u3092\u4f7f\u3063\u3066\u3001\u52b9\u7387\u7684\u306a\u8a08\u7b97\u3092\u5b9f\u73fe\u3057\u307e\u3059\u3002NumExpr\u3084Numba\u306a\u3069\u306e\u30e9\u30a4\u30d6\u30e9\u30ea\u3092\u4f7f\u7528\u3059\u308b\u3053\u3068\u3067\u3001NumPy Array\u306e\u8a08\u7b97\u3092\u3055\u3089\u306b\u9ad8\u901f\u5316\u3067\u304d\u307e\u3059\u3002\u307e\u305f\u3001NumPy\u306e\u30e6\u30cb\u30d0\u30fc\u30b5\u30eb\u95a2\u6570\uff08ufunc\uff09\u306f\u3001C\u8a00\u8a9e\u3067\u5b9f\u88c5\u3055\u308c\u3066\u304a\u308a\u3001\u52b9\u7387\u7684\u306a\u30d9\u30af\u30c8\u30eb\u5316\u8a08\u7b97\u304c\u53ef\u80fd\u3067\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 numpy as np\nimport numexpr as ne\n\n# NumExpr\u3092\u4f7f\u3063\u305f\u4e26\u5217\u8a08\u7b97\na = np.random.rand(1000000)\nb = np.random.rand(1000000)\nc = ne.evaluate(\"a ** 2 + b ** 2\")\n\n# NumPy\u306e\u30e6\u30cb\u30d0\u30fc\u30b5\u30eb\u95a2\u6570\uff08ufunc\uff09\u306e\u4f8b\narr = np.arange(1000000)\nresult = np.sin(arr)<\/pre>\n\n\n\n<p>\u4e0a\u8a18\u306e\u4f8b\u3067\u306f\u3001NumExpr\u3092\u4f7f\u3063\u3066\u4e26\u5217\u8a08\u7b97\u3092\u884c\u3044\u3001NumPy\u306e\u30e6\u30cb\u30d0\u30fc\u30b5\u30eb\u95a2\u6570\uff08ufunc\uff09\u3092\u4f7f\u3063\u3066\u914d\u5217\u306e\u8981\u7d20\u306b\u5bfe\u3057\u3066\u4e09\u89d2\u95a2\u6570\u3092\u9069\u7528\u3057\u3066\u3044\u307e\u3059\u3002<\/p>\n\n\n\n<p>NumPy Array\u306e\u30d1\u30d5\u30a9\u30fc\u30de\u30f3\u30b9\u3092\u6700\u5927\u9650\u306b\u5f15\u304d\u51fa\u3059\u305f\u3081\u306b\u306f\u3001\u5185\u90e8\u69cb\u9020\u306e\u7406\u89e3\u3068\u30d9\u30b9\u30c8\u30d7\u30e9\u30af\u30c6\u30a3\u30b9\u306e\u9069\u7528\u304c\u4e0d\u53ef\u6b20\u3067\u3059\u3002\u30e1\u30e2\u30ea\u30ec\u30a4\u30a2\u30a6\u30c8\u3092\u610f\u8b58\u3057\u3001\u5927\u898f\u6a21\u30c7\u30fc\u30bf\u51e6\u7406\u306e\u305f\u3081\u306eTips\u3092\u6d3b\u7528\u3057\u3001\u4e26\u5217\u5316\u30fb\u30d9\u30af\u30c8\u30eb\u5316\u3092\u7a4d\u6975\u7684\u306b\u5229\u7528\u3059\u308b\u3053\u3068\u3067\u3001\u9ad8\u901f\u304b\u3064\u52b9\u7387\u7684\u306a\u30c7\u30fc\u30bf\u51e6\u7406\u304c\u53ef\u80fd\u306b\u306a\u308a\u307e\u3059\u3002<\/p>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"i-20\">\u307e\u3068\u3081\uff1aNumPy Array\u3092\u30de\u30b9\u30bf\u30fc\u3057\u3066\u30c7\u30fc\u30bf\u30b5\u30a4\u30a8\u30f3\u30b9\u306e\u30b9\u30ad\u30eb\u3092\u9ad8\u3081\u3088\u3046<\/h2>\n\n\n\n<p>\u3053\u306e\u8a18\u4e8b\u3067\u306f\u3001NumPy Array\u306e\u57fa\u672c\u304b\u3089\u5fdc\u7528\u307e\u3067\u3001\u305d\u306e\u4f7f\u3044\u65b9\u3068\u5185\u90e8\u69cb\u9020\u3001\u30d1\u30d5\u30a9\u30fc\u30de\u30f3\u30b9\u30c1\u30e5\u30fc\u30cb\u30f3\u30b0\u306e\u624b\u6cd5\u306b\u3064\u3044\u3066\u8a73\u3057\u304f\u8aac\u660e\u3057\u3066\u304d\u307e\u3057\u305f\u3002NumPy Array\u306f\u3001Python\u3067\u306e\u30c7\u30fc\u30bf\u51e6\u7406\u306b\u304a\u3044\u3066\u6b20\u304b\u305b\u306a\u3044\u30c4\u30fc\u30eb\u3067\u3042\u308a\u3001\u305d\u306e\u7279\u6027\u3092\u7406\u89e3\u3057\u3001\u9069\u5207\u306b\u4f7f\u3044\u3053\u306a\u3059\u3053\u3068\u304c\u3001\u30c7\u30fc\u30bf\u30b5\u30a4\u30a8\u30f3\u30b9\u306e\u30b9\u30ad\u30eb\u3092\u9ad8\u3081\u308b\u4e0a\u3067\u91cd\u8981\u3067\u3059\u3002<\/p>\n\n\n\n<p>NumPy Array\u306e\u57fa\u672c\u7684\u306a\u4f5c\u6210\u65b9\u6cd5\u3084\u64cd\u4f5c\u65b9\u6cd5\u3092\u7fd2\u5f97\u3057\u3001\u884c\u5217\u30fb\u30c6\u30f3\u30bd\u30eb\u6f14\u7b97\u3084\u30d6\u30ed\u30fc\u30c9\u30ad\u30e3\u30b9\u30c6\u30a3\u30f3\u30b0\u3092\u6d3b\u7528\u3059\u308b\u3053\u3068\u3067\u3001\u52b9\u7387\u7684\u306a\u30c7\u30fc\u30bf\u51e6\u7406\u304c\u53ef\u80fd\u306b\u306a\u308a\u307e\u3059\u3002\u307e\u305f\u3001\u30e1\u30e2\u30ea\u30ec\u30a4\u30a2\u30a6\u30c8\u3084\u4e26\u5217\u5316\u30fb\u30d9\u30af\u30c8\u30eb\u5316\u306e\u4ed5\u7d44\u307f\u3092\u7406\u89e3\u3059\u308b\u3053\u3068\u3067\u3001\u30d1\u30d5\u30a9\u30fc\u30de\u30f3\u30b9\u30c1\u30e5\u30fc\u30cb\u30f3\u30b0\u306b\u3082\u5f79\u7acb\u3061\u307e\u3059\u3002<\/p>\n\n\n\n<p>NumPy Array\u306f\u3001Pandas DataFrame\u306a\u3069\u306e\u4ed6\u306e\u30e9\u30a4\u30d6\u30e9\u30ea\u3068\u306e\u9023\u643a\u3082\u5bb9\u6613\u3067\u3042\u308a\u3001\u30c7\u30fc\u30bf\u30b5\u30a4\u30a8\u30f3\u30b9\u306e\u30ef\u30fc\u30af\u30d5\u30ed\u30fc\u306e\u4e2d\u3067\u91cd\u8981\u306a\u5f79\u5272\u3092\u679c\u305f\u3057\u307e\u3059\u3002\u3053\u306e\u8a18\u4e8b\u3067\u7d39\u4ecb\u3057\u305f\u77e5\u8b58\u3068\u30b9\u30ad\u30eb\u3092\u6d3b\u304b\u3057\u3066\u3001NumPy Array\u3092\u30de\u30b9\u30bf\u30fc\u3057\u3001\u30c7\u30fc\u30bf\u30b5\u30a4\u30a8\u30f3\u30b9\u306e\u30b9\u30ad\u30eb\u3092\u9ad8\u3081\u3066\u3044\u304d\u307e\u3057\u3087\u3046\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>NumPy Array\u306f\u3001Python\u3067\u306e\u30c7\u30fc\u30bf\u51e6\u7406\u3084\u79d1\u5b66\u8a08\u7b97\u306b\u6b20\u304b\u305b\u306a\u3044\u30c4\u30fc\u30eb\u3067\u3059\u3002\u3053\u306e\u8a18\u4e8b\u3067\u306f\u3001NumPy Array\u306e\u57fa\u672c\u7684\u306a\u4f7f\u3044\u65b9\u304b\u3089\u3001\u5185\u90e8\u69cb\u9020\u306e\u7406\u89e3\u3001\u30d1\u30d5\u30a9\u30fc\u30de\u30f3\u30b9\u30c1\u30e5\u30fc\u30cb\u30f3\u30b0\u306e\u30c6\u30af\u30cb\u30c3\u30af\u307e\u3067\u3001\u5b9f\u8df5\u7684\u306a\u77e5\u8b58\u3092\u8a73 &#8230; <\/p>\n","protected":false},"author":1,"featured_media":833,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[4],"tags":[],"class_list":{"0":"post-788","1":"post","2":"type-post","3":"status-publish","4":"format-standard","5":"has-post-thumbnail","7":"category-python"},"_links":{"self":[{"href":"https:\/\/chocottopro.com\/index.php?rest_route=\/wp\/v2\/posts\/788","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/chocottopro.com\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/chocottopro.com\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/chocottopro.com\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/chocottopro.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=788"}],"version-history":[{"count":2,"href":"https:\/\/chocottopro.com\/index.php?rest_route=\/wp\/v2\/posts\/788\/revisions"}],"predecessor-version":[{"id":790,"href":"https:\/\/chocottopro.com\/index.php?rest_route=\/wp\/v2\/posts\/788\/revisions\/790"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/chocottopro.com\/index.php?rest_route=\/wp\/v2\/media\/833"}],"wp:attachment":[{"href":"https:\/\/chocottopro.com\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=788"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/chocottopro.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=788"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/chocottopro.com\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=788"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}