{"id":4773,"date":"2022-03-01T22:55:55","date_gmt":"2022-03-01T13:55:55","guid":{"rendered":"https:\/\/broaden-your-horizons.com\/ai-ss\/?p=4773"},"modified":"2022-04-06T17:41:41","modified_gmt":"2022-04-06T08:41:41","slug":"shape-conversion","status":"publish","type":"post","link":"https:\/\/broaden-your-horizons.com\/ai-ss\/numpy\/shape-conversion\/","title":{"rendered":"NumPy:\u3010\u6b21\u5143\u3092\u64cd\u4f5c\u3011\u3059\u308b\u65b9\u6cd5\u3044\u308d\u3044\u308d"},"content":{"rendered":"<p><!--\u518d\u5229\u7528\u30d6\u30ed\u30c3\u30af\uff08numpy-header\uff09--><br \/>\n\n<p class=\"backlink\"><a href=\"https:\/\/broaden-your-horizons.com\/ai-ss\/ai-top\/numpy\/\">page:[NumPy\u307e\u3068\u3081]<\/a><\/p>\n<\/p>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"\u9006\u5f15\u304d\u30ad\u30fc\u30ef\u30fc\u30c9\">\u30b5\u30de\u30ea<\/h2>\n\n\n\n<ul class=\"wp-block-list\"><li>np.reshape<ul><li>\u5f62\u72b6\u5909\u63db<\/li><li>-1\u306f\u6b8b\u308a\u5168\u90e8\u3068\u8a00\u3046\u610f\u5473<\/li><\/ul><\/li><li>np.squeeze<ul><li>\u6b21\u5143\u524a\u9664<\/li><\/ul><\/li><li>.T<ul><li>\u8ee2\u7f6e<\/li><li>\u6b21\u5143\u3092\u9006\u306b\u4e26\u3073\u66ff\u3048<\/li><\/ul><\/li><li>np.transpose<ul><li>.T\u3088\u308a\u67d4\u8edf\u306a\u8ee2\u7f6e<\/li><li>\u6b21\u5143\u3092\u4efb\u610f\u306b\u4e26\u3073\u66ff\u3048<\/li><\/ul><\/li><li>np.newaxis<ul><li>\u6b21\u5143\u3092\u5897\u3084\u3059<\/li><li>\u6b21\u5143\u8ffd\u52a0<\/li><\/ul><\/li><li>\u30d5\u30a1\u30f3\u30b7\u30fc\u30a4\u30f3\u30c7\u30c3\u30af\u30b9\u53c2\u7167\u3092\u4f7f\u3063\u305f\u4e26\u3073\u66ff\u3048<ul><li>\u6b21\u5143\u4e26\u3073\u66ff\u3048<\/li><\/ul><\/li><\/ul>\n\n\n\n<!--\u76ee\u6b21\u3078\u3001\u30da\u30fc\u30b8\u306e\u5148\u982d\u3078-->\n<div id=\"backcontainer\"><a id=\"linkmokuji\" href=\"javascript:backContainer();\">\u76ee\u6b21\u3078\uff1e\uff1e<\/a>\u3000<a id=\"linktop\" href=\"#\">\u5148\u982d\u3078\uff1e\uff1e<\/a><\/div>\n\n\n\n<h2 class=\"wp-block-heading\">\u524d\u63d0<\/h2>\n\n\n\n<ul class=\"wp-block-list\"><li>np.arange<ul><li>\n<a class=\"movelink\" href=\"https:\/\/broaden-your-horizons.com\/ai-ss\/numpy\/arange\/#toc_id_2_1\">NumPy:\u3010\u5e8f\u6570,\u9806\u5217,\u500d\u6570,\u7b49\u5206\u5272\u3011\u306e\u5b9f\u884c\u7d50\u679c<\/a>\n<\/li><\/ul><\/li><li>np.ndim<ul><li>\n<a class=\"movelink\" href=\"https:\/\/broaden-your-horizons.com\/ai-ss\/numpy\/shape-ndim\/#toc_id_3_3\">NumPy:\u3010\u5f62\u72b6\u3001\u6b21\u5143\u3001\u8981\u7d20\u6570\u3011\u306e\u78ba\u8a8d\u65b9\u6cd5<\/a>\n<\/li><\/ul><\/li><li>\u30d5\u30a1\u30f3\u30b7\u30fc\u30a4\u30f3\u30c7\u30c3\u30af\u30b9\u53c2\u7167<ul><li>\n<a class=\"movelink\" href=\"https:\/\/broaden-your-horizons.com\/ai-ss\/numpy\/data-reference\/#toc_id_3_1\">NumPy\u914d\u5217:2\u3064\u306e\u3010\u30c7\u30fc\u30bf\u53c2\u7167\u65b9\u6cd5\u3011<\/a>\n<\/li><\/ul><\/li><\/ul>\n\n\n\n<!--\u76ee\u6b21\u3078\u3001\u30da\u30fc\u30b8\u306e\u5148\u982d\u3078-->\n<div id=\"backcontainer\"><a id=\"linkmokuji\" href=\"javascript:backContainer();\">\u76ee\u6b21\u3078\uff1e\uff1e<\/a>\u3000<a id=\"linktop\" href=\"#\">\u5148\u982d\u3078\uff1e\uff1e<\/a><\/div>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"\u5b9f\u884c\u30ed\u30b0\">\u30b5\u30f3\u30d7\u30eb\u30b3\u30fc\u30c9<\/h2>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"reshape\">reshape\uff08\u5f62\u72b6\u5909\u63db\uff09<\/h3>\n\n\n\n<h4 class=\"wp-block-heading\" id=\"\u57fa\u672c\">\u57fa\u672c<\/h4>\n\n\n\n<pre class=\"wp-block-luxe-blocks-syntaxhighlighter line-numbers language-python\"><code class=\"language-python\">import numpy as np\na = np.arange(12).reshape(3,4)\nb = a.reshape(2,6)\nprint(a)\nprint(a.shape)\nprint(b)\nprint(b.shape)<\/code><\/pre>\n\n\n\n<pre class=\"result\" style=\"text-align:left;line-height:17px;font-family:Menlo,Consolas,monospace;font-size:14px;padding:30px 0px 10px 15px;margin-top:10px;padding-bottom:-30px!important;\">[[ 0  1  2  3]\n [ 4  5  6  7]\n [ 8  9 10 11]]\n(3, 4)\n[[ 0  1  2  3  4  5]\n [ 6  7  8  9 10 11]]\n(2, 6)\n<\/pre>\n\n\n\n<ul class=\"wp-block-list\"><li>\u4e2d\u8eab\u306e\u30c7\u30fc\u30bf\u3088\u308a\u5f62\u72b6\u306e(3,4)\u3084(2,6)\u306b\u6ce8\u76ee\u3059\u308b<\/li><li>(3,4)<ul><li>3&#215;4=12\u306e\u30c7\u30fc\u30bf\u304c\u3042\u308b<\/li><\/ul><\/li><li>(2,6)<ul><li>2&#215;6=12\u306e\u30c7\u30fc\u30bf\u306b\u306a\u3063\u305f<\/li><li>\u30c7\u30fc\u30bf\u3053\u306e\u6570\u306f\u5909\u308f\u3089\u305a<\/li><li>\u5f62\u304c2\u884c6\u5217\u306b\u5909\u5316\u3055\u305b\u308b<\/li><\/ul><\/li><\/ul>\n\n\n\n<h4 class=\"wp-block-heading\" id=\"\u6b21\u5143\u6570\u3092\u5909\u66f4\">\u6b21\u5143\u6570\u3092\u5909\u66f4<\/h4>\n\n\n\n<pre class=\"wp-block-luxe-blocks-syntaxhighlighter line-numbers language-python\"><code class=\"language-python\">import numpy as np\na = np.arange(18).reshape(3,6)\nb = a.reshape(3,3,2)\nprint(a)\nprint(a.shape)\nprint(b)\nprint(b.shape)<\/code><\/pre>\n\n\n\n<div class=\"prev_box\" style=\"margin-top:30px\">\n    <input type=\"checkbox\" id=\"label1\">\n    <label for=\"label1\" style=\"user-select:none\">\u5168\u6587\u8868\u793a<\/label>\n    <div class=\"all_show\" for=\"label1\" style=\"margin-top:-15px\">\n    <!--\u975e\u8868\u793a\u3053\u3053\u304b\u3089-->\n<pre class=\"result\" style=\"text-align:left;line-height:17px;font-family:Menlo,Consolas,monospace;font-size:14px;padding:30px 0px 10px 15px;margin-top:10px;padding-bottom:-30px!important;\">[[ 0  1  2  3  4  5]\n [ 6  7  8  9 10 11]\n [12 13 14 15 16 17]]\n(3, 6)\n[[[ 0  1]\n  [ 2  3]\n  [ 4  5]]\n\n [[ 6  7]\n  [ 8  9]\n  [10 11]]\n\n [[12 13]\n  [14 15]\n  [16 17]]]\n(3, 3, 2)\n<\/pre>\n    <!--\u3053\u3053\u307e\u3067-->\n    <\/div>\n<\/div>\n\n\n\n<ul class=\"wp-block-list\"><li>2\u6b21\u5143\u304b\u30893\u6b21\u5143\u306b\u5909\u63db\u3059\u308b\u3053\u3068\u3082\u3067\u304d\u308b<\/li><li>(3,6)<ul><li>3&#215;6=18\u500b\u306e\u30c7\u30fc\u30bf<\/li><\/ul><\/li><li>(3,3,2)<ul><li>3x3x2=18\u500b\u306e\u30c7\u30fc\u30bf<\/li><li>\u30c7\u30fc\u30bf\u306e\u500b\u6570\u304c\u4e00\u81f4\u3057\u3066\u3044\u308c\u30702\u6b21\u5143\u304b\u30893\u6b21\u5143\u306b\u5909\u63db\u3067\u304d\u308b<\/li><\/ul><\/li><\/ul>\n\n\n\n<h4 class=\"wp-block-heading\" id=\"\u3046\u307e\u304f\u884c\u304b\u306a\u3044\u30d1\u30bf\u30fc\u30f3\">\u3046\u307e\u304f\u884c\u304b\u306a\u3044\u30d1\u30bf\u30fc\u30f3<\/h4>\n\n\n\n<pre class=\"wp-block-luxe-blocks-syntaxhighlighter line-numbers language-python\"><code class=\"language-python\">import numpy as np\na = np.arange(12).reshape(4,3)\nprint(a.shape)\nb = a.reshape(2,2)<\/code><\/pre>\n\n\n\n<pre class=\"result\" style=\"text-align:left;line-height:17px;font-family:Menlo,Consolas,monospace;font-size:14px;padding:30px 0px 10px 15px;margin-top:10px;padding-bottom:-30px!important;\">(4, 3)\n---------------------------------------------------------------------------\nValueError                                Traceback (most recent call last)\n&lt;ipython-input-175-ea6b1b62f1e1&gt; in &lt;module&gt;\n      2 a = np.arange(12).reshape(4,3)\n      3 print(a.shape)\n----&gt; 4 b = a.reshape(2,2)\n\nValueError: cannot reshape array of size 12 into shape (2,2)\n<\/pre>\n\n\n\n<ul class=\"wp-block-list\"><li>(4,3)<ul><li>4&#215;3=12\u500b\u306e\u30c7\u30fc\u30bf<\/li><\/ul><\/li><li>(2,2)<ul><li>2&#215;2=4\u500b\u306e\u30c7\u30fc\u30bf\u306b\u5909\u63db\u305b\u3088\u3068\u8a00\u3046\u6307\u5b9a<\/li><li>\u30c7\u30fc\u30bf\u306e\u500b\u6570\u304c\u4e00\u81f4\u3057\u306a\u3044\u306e\u3067\u5f62\u72b6\u5909\u63db\uff08reshape\uff09\u306f\u30a8\u30e9\u30fc\u306b\u306a\u308b<\/li><li>2&#215;6\u3068\u304b6&#215;2\u3068\u304b3&#215;4\u3068\u304b\u306fOK<\/li><\/ul><\/li><\/ul>\n\n\n\n<h4 class=\"wp-block-heading\" id=\"\u6b21\u5143\u524a\u9664\">\u6b21\u5143\u524a\u9664<\/h4>\n\n\n\n<pre class=\"wp-block-luxe-blocks-syntaxhighlighter line-numbers language-python\"><code class=\"language-python\">import numpy as np\na = np.arange(18).reshape(3,3,2)\nb = a.reshape(3,-1)\nc = a.reshape(-1)\nprint(a.shape)\nprint(b.shape)\nprint(c.shape)<\/code><\/pre>\n\n\n\n<pre class=\"result\" style=\"text-align:left;line-height:17px;font-family:Menlo,Consolas,monospace;font-size:14px;padding:30px 0px 10px 15px;margin-top:10px;padding-bottom:-30px!important;\">(3, 3, 2)\n(3, 6)\n(18,)\n<\/pre>\n\n\n\n<ul class=\"wp-block-list\"><li>\u540c\u69d8\u306b\u5168\u4f53\u306e\u500b\u6570\u304c\u3042\u3063\u3066\u3044\u308b\u306a\u3089\u6b21\u5143\u6570\u3092\u524a\u6e1b\uff08\u6b21\u5143\u524a\u9664\uff09\u3067\u304d\u308b<\/li><li>\u3053\u3053\u3067\u306f\u500b\u6570\u306e\u7d30\u304b\u3044\u8a08\u7b97\u3092\u7701\u3051\u308b\u300c-1\u300d\u3092\u7d39\u4ecb<ul><li>\u300c-1\u300d\u306f\u6b8b\u308a\u5168\u90e8\u3068\u8a00\u3046\u610f\u5473<\/li><\/ul><\/li><li>(3,3,2)<ul><li>3x3x2=18\u500b\u306e\u30c7\u30fc\u30bf<\/li><\/ul><\/li><li>(3,-1)<ul><li>3x?=18\u500b\u306e\u30c7\u30fc\u30bf\u306b\u306a\u308b\u3088\u3046\u306b\u3046\u307e\u304f\u3084\u308b<\/li><li>\u3064\u307e\u308a?\u306f6\u306b\u306a\u308b<\/li><li>(3,6)\u3068\u7b49\u4fa1<\/li><\/ul><\/li><li>(-1)<ul><li>\u3053\u306e\u5834\u5408\u306f(18)\u3068\u7b49\u4fa1<\/li><\/ul><\/li><li>\u6b21\u5143\u524a\u9664\u306b\u3064\u3044\u3066\u306f\u6b21\u9805\u306enp.squeeze\u3082\u53c2\u7167\u3057\u3066\u304f\u3060\u3055\u3044<\/li><\/ul>\n\n\n\n<!--\u76ee\u6b21\u3078\u3001\u30da\u30fc\u30b8\u306e\u5148\u982d\u3078-->\n<div id=\"backcontainer\"><a id=\"linkmokuji\" href=\"javascript:backContainer();\">\u76ee\u6b21\u3078\uff1e\uff1e<\/a>\u3000<a id=\"linktop\" href=\"#\">\u5148\u982d\u3078\uff1e\uff1e<\/a><\/div>\n\n\n\n<h3 class=\"wp-block-heading\">np.squeeze\uff08\u6b21\u5143\u524a\u9664\uff09<\/h3>\n\n\n\n<h4 class=\"wp-block-heading\">\u30c7\u30fc\u30bf\u4f5c\u6210<\/h4>\n\n\n\n<pre class=\"wp-block-luxe-blocks-syntaxhighlighter line-numbers language-python\"><code class=\"language-python\">import numpy as np\na = np.array([[2, 3, 2]])\nprint(a)\nprint(a.shape)\nprint(a.ndim)<\/code><\/pre>\n\n\n\n<pre class=\"result\" style=\"text-align:left;line-height:17px;font-family:Menlo,Consolas,monospace;font-size:14px;padding:30px 0px 10px 15px;margin-top:10px;padding-bottom:-30px!important;\">[[2 3 2]]\n(1, 3)\n2\n<\/pre>\n\n\n\n<ul class=\"wp-block-list\"><li>[[2, 3, 2]]<ul><li>2\u6b21\u5143\u30c7\u30fc\u30bf\u306b\u306a\u308b\u3088\u3046\u306b[[\u2026]]\u3068\u3057\u3066\u3044\u307e\u3059<\/li><li>1\u6b21\u5143[2,3,2]\u3068\u30c7\u30fc\u30bf\u306e\u4e2d\u8eab\u306f\u540c\u3058\u3067\u3059<\/li><\/ul><\/li><li>shape\u306e\u7d50\u679c(1,3)<ul><li>1\u6b21\u5143\u76ee\u306e\u8981\u7d20\u6570\u304c1\u3064\u306b\u306a\u3063\u3066\u3044\u307e\u3059<\/li><\/ul><\/li><li>ndim\u306e\u7d50\u679c2<ul><li>ndarray\uff08NumPy\u914d\u5217\uff09\u3068\u3057\u3066\u306f2\u6b21\u5143\u30c7\u30fc\u30bf\u3068\u306a\u3063\u3066\u3044\u307e\u3059<\/li><\/ul><\/li><\/ul>\n\n\n\n<h4 class=\"wp-block-heading\">\u6b21\u5143\u524a\u9664<\/h4>\n\n\n\n<pre class=\"wp-block-luxe-blocks-syntaxhighlighter line-numbers language-python\"><code class=\"language-python\">b = a.squeeze()\nprint(b)\nprint(b.shape)\nprint(b.ndim)<\/code><\/pre>\n\n\n\n<pre class=\"result\" style=\"text-align:left;line-height:17px;font-family:Menlo,Consolas,monospace;font-size:14px;padding:30px 0px 10px 15px;margin-top:10px;padding-bottom:-30px!important;\">[2 3 2]\n(3,)\n1\n<\/pre>\n\n\n\n<ul class=\"wp-block-list\"><li>(1,3)\u304b\u3089(3, )\u306b\u6b21\u5143\u524a\u9664\u3055\u308c\u305f<ul><li>np.reshape\u3068\u9055\u3063\u3066\u8981\u7d20\u6570\u304c1\u306e\u6b21\u5143\u3092\u524a\u9664\u3059\u308b\u3088\u3046\u306a\u6b21\u5143\u524a\u9664\u3067\u3059<\/li><\/ul><\/li><li>ndim\u306e\u7d50\u679c\u30821\u30671\u6b21\u5143ndarray\u306b\u306a\u3063\u305f<\/li><li>(1, 3)\u3067\u3082(3, )\u3067\u3082\u5165\u3063\u3066\u3044\u308b\u30c7\u30fc\u30bf\u306f{2,3,2}\u3067\u540c\u3058\u3067\u3059<\/li><li>\u53c2\u8003<ul><li>(1, 3)\u3068(3, )\u306e\u9055\u3044\u306b\u3064\u3044\u3066\u306f\u4e0b\u8a18\u306e\u8a18\u4e8b\u3067\u8aac\u660e\u3057\u3066\u3044\u307e\u3059<\/li><\/ul><\/li><\/ul>\n\n\n\n<div class=\"blogcard\"><a href=\"https:\/\/broaden-your-horizons.com\/ai-ss\/numpynp\/feature-of-shape\/\" data-blogcard=\"1\"><\/a><\/div>\n\n\n\n<!--\u76ee\u6b21\u3078\u3001\u30da\u30fc\u30b8\u306e\u5148\u982d\u3078-->\n<div id=\"backcontainer\"><a id=\"linkmokuji\" href=\"javascript:backContainer();\">\u76ee\u6b21\u3078\uff1e\uff1e<\/a>\u3000<a id=\"linktop\" href=\"#\">\u5148\u982d\u3078\uff1e\uff1e<\/a><\/div>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"np-transpose\">.T\uff08\u8ee2\u7f6e\u3001\u6b21\u5143\u304c\u9006\u9806\u306b\u306a\u308b\uff09<\/h3>\n\n\n\n<h4 class=\"wp-block-heading\">\u5b9f\u969b\u306e\u6570\u5b57\u3067\u898b\u308b<\/h4>\n\n\n\n<pre class=\"wp-block-luxe-blocks-syntaxhighlighter line-numbers language-python\"><code class=\"language-python\">import numpy as np\na = np.random.randint(1,10, (2,3))\nb = a.T\nprint(a)\nprint(a.shape)\nprint(b)\nprint(b.shape)<\/code><\/pre>\n\n\n\n<pre class=\"result\" style=\"text-align:left;line-height:17px;font-family:Menlo,Consolas,monospace;font-size:14px;padding:30px 0px 10px 15px;margin-top:10px;padding-bottom:-30px!important;\">[[9 7 1]\n [5 7 3]]\n(2, 3)\n[[9 5]\n [7 7]\n [1 3]]\n(3, 2)\n<\/pre>\n\n\n\n<div class=\"wp-block-columns is-layout-flex wp-container-core-columns-is-layout-9d6595d7 wp-block-columns-is-layout-flex\">\n<div class=\"wp-block-column is-layout-flow wp-block-column-is-layout-flow\" style=\"flex-basis:75%\">\n<ul class=\"wp-block-list\"><li>\u6a2a\u9577\u304c\u7e26\u9577\u306b\u306a\u3063\u305f\u611f\u3058<\/li><li>\u30a4\u30e1\u30fc\u30b8\u3092\u6a2a\u306b\u7f6e\u3044\u305f\u30c8\u30e9\u30f3\u30d7\u3092\u60f3\u50cf<ul><li>\u00d7\uff1a\u56de\u8ee2\u3055\u305b\u308b<\/li><\/ul><ul><li>\u3007\uff1a\u89d2\u3060\u3051\u30c6\u30fc\u30d6\u30eb\u306b\u304f\u3063\u3064\u3051\u3066\u30d1\u30bf\u30f3\u3068\u7e26\u9577\u306b\u306a\u308b\u3088\u3046\u306b<\/li><\/ul><\/li><li>\u3067\u3082\u3053\u306e\u30a4\u30e1\u30fc\u30b8\u306f2\u6b21\u5143\u306e\u5834\u5408\u306b\u3057\u304b\u4f7f\u3048\u306a\u3044<\/li><\/ul>\n<\/div>\n\n\n\n<div class=\"wp-block-column is-layout-flow wp-block-column-is-layout-flow\" style=\"flex-basis:25%\">\n<figure class=\"wp-block-image size-thumbnail\"><a href=\"https:\/\/broaden-your-horizons.com\/ai-ss\/wp-content\/uploads\/2022\/03\/\u8ee2\u7f6e\u30a4\u30e1\u30fc\u30b8.jpg\"><img loading=\"lazy\" decoding=\"async\" width=\"150\" height=\"150\" src=\"https:\/\/broaden-your-horizons.com\/ai-ss\/wp-content\/uploads\/2022\/03\/\u8ee2\u7f6e\u30a4\u30e1\u30fc\u30b8-150x150.jpg\" alt=\"\u8ee2\u7f6e\uff08.T\uff09\u306e\u30a4\u30e1\u30fc\u30b8\" class=\"wp-image-5262\"\/><\/a><\/figure>\n<\/div>\n<\/div>\n\n\n\n<h4 class=\"wp-block-heading\">\u5404\u6b21\u5143\u306e\u8981\u7d20\u6570\u306b\u6ce8\u76ee\u3059\u308b<\/h4>\n\n\n\n<pre class=\"wp-block-luxe-blocks-syntaxhighlighter line-numbers language-python\"><code class=\"language-python\">import numpy as np\na = np.random.randint(1,10, (2,3,4))\nb = a.T\nprint(a.shape)\nprint(b.shape)<\/code><\/pre>\n\n\n\n<pre class=\"result\" style=\"text-align:left;line-height:17px;font-family:Menlo,Consolas,monospace;font-size:14px;padding:30px 0px 10px 15px;margin-top:10px;padding-bottom:-30px!important;\">(2, 3, 4)\n(4, 3, 2)\n<\/pre>\n\n\n\n<ul class=\"wp-block-list\"><li>(2,3,4)\u304b\u3089(4,3,2)<ul><li>\u4e26\u3073\u9806\u304c\u5909\u308f\u3063\u3066\u3044\u308b<\/li><li>\u8ee2\u7f6e\u3068\u306f\u4e26\u3073\u9806\u3092\u5909\u3048\u308b\u3082\u306e\u3068\u7406\u89e3\u3067\u304d\u308b<\/li><\/ul><\/li><li>\u8ee2\u7f6e\u3092\u7406\u89e3\u3059\u308b\u305f\u3081\u306b<ul><li>3\u6b21\u5143\u4ee5\u4e0a\u306b\u306a\u308b\u3068\u5b9f\u969b\u306e\u30c7\u30fc\u30bf\u304c\u3069\u3046\u5165\u308c\u66ff\u308f\u308b\u304b\u30a4\u30e1\u30fc\u30b8\u3059\u308b\u306e\u306f\u96e3\u3057\u3044<\/li><li>\u5404\u6b21\u5143\u306e\u6570\u5b57\uff08\u8981\u7d20\u6570\uff09\u306b\u6ce8\u76ee\u3059\u308b\u3068\u8ee2\u7f6e\u306e\u65b0\u3057\u3044\u6982\u5ff5\u304c\u5f97\u3089\u308c\u308b<\/li><\/ul><\/li><\/ul>\n\n\n\n<!--\u76ee\u6b21\u3078\u3001\u30da\u30fc\u30b8\u306e\u5148\u982d\u3078-->\n<div id=\"backcontainer\"><a id=\"linkmokuji\" href=\"javascript:backContainer();\">\u76ee\u6b21\u3078\uff1e\uff1e<\/a>\u3000<a id=\"linktop\" href=\"#\">\u5148\u982d\u3078\uff1e\uff1e<\/a><\/div>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"np-transpose\">np.transpose\uff08\u8ee2\u7f6e\u3001\u6b21\u5143\u3092\u4efb\u610f\u306b\u4e26\u3073\u66ff\u3048\uff09<\/h3>\n\n\n\n<h4 class=\"wp-block-heading\">\u30c7\u30fc\u30bf\u4f5c\u6210<\/h4>\n\n\n\n<pre class=\"wp-block-luxe-blocks-syntaxhighlighter line-numbers language-python\"><code class=\"language-python\">import numpy as np\na = np.arange(24).reshape(3,4,2)\nprint(a.shape)<\/code><\/pre>\n\n\n\n<pre class=\"result\" style=\"text-align:left;line-height:17px;font-family:Menlo,Consolas,monospace;font-size:14px;padding:30px 0px 10px 15px;margin-top:10px;padding-bottom:-30px!important;\">(3, 4, 2)\n<\/pre>\n\n\n\n<ul class=\"wp-block-list\"><li>\u5143\u306e(3,4,2)<ul><li>1\u6b21\u5143\u76ee\uff080\uff09\u306e\u8981\u7d20\u6570\u304c3<\/li><\/ul><ul><li>2\u6b21\u5143\u76ee\uff081\uff09\u306e\u8981\u7d20\u6570\u304c4<\/li><li>3\u6b21\u5143\u76ee\uff082\uff09\u306e\u8981\u7d20\u6570\u304c2<\/li><\/ul><\/li><\/ul>\n\n\n\n<h4 class=\"wp-block-heading\">\u8ee2\u7f6e\u5b9f\u884c<\/h4>\n\n\n\n<pre class=\"wp-block-luxe-blocks-syntaxhighlighter line-numbers language-python\"><code class=\"language-python\">b = a.transpose(1,2,0)\nprint(b.shape)<\/code><\/pre>\n\n\n\n<pre class=\"result\" style=\"text-align:left;line-height:17px;font-family:Menlo,Consolas,monospace;font-size:14px;padding:30px 0px 10px 15px;margin-top:10px;padding-bottom:-30px!important;\">(4, 2, 3)\n<\/pre>\n\n\n\n<ul class=\"wp-block-list\"><li>\u524d\u9805\u306e\u300c.T\u300d\u306e\u52d5\u4f5c\u304c\u7406\u89e3\u3067\u304d\u3066\u3044\u308c\u3070\u7c21\u5358<\/li><li>.transpose\u306e\u5f15\u6570(1,2,0)<ul><li>1\u6b21\u5143\u76ee\u306e\u8981\u7d20\u6570\u3092\u300c\u51432\u6b21\u5143\u76ee\uff081\uff09\u306e\u8981\u7d20\u65704\u300d\u306b<\/li><\/ul><ul><li>2\u6b21\u5143\u76ee\u306e\u8981\u7d20\u6570\u3092\u300c\u51433\u6b21\u5143\u76ee\uff082\uff09\u306e\u8981\u7d20\u65702\u300d\u306b<\/li><li>3\u6b21\u5143\u76ee\u306e\u8981\u7d20\u6570\u3092\u300c\u51431\u6b21\u5143\u76ee\uff080\uff09\u306e\u8981\u7d20\u65703\u300d\u306b<ul><li>\u7d50\u679c(4,2,3)\u306b\u306a\u308b<\/li><\/ul><\/li><\/ul><\/li><li>\u307e\u3068\u3081<ul><li>\u6b21\u5143\u306e\u8981\u7d20\u6570\u3092\u4efb\u610f\u3067\u4e26\u3073\u66ff\u3048\u3067\u304d\u308b<br>\uff08\u4e26\u3073\u66ff\u3048\u306a\u306e\u30673x4x2=24\u500b\u306e\u30c7\u30fc\u30bf\u6570\u306f\u5909\u308f\u3089\u306a\u3044\uff09<\/li><\/ul><ul><li>\u4e26\u3073\u9806\u3092\u6307\u5b9a\u3067\u304d\u308b<br>\uff08\u524d\u9805\u306e\u300c.T\u300d\u306f\u9006\u9806\u306b\u3059\u308b\u3060\u3051\u3067\u3001\u6307\u5b9a\u306f\u3067\u304d\u306a\u3044\uff09<\/li><\/ul><\/li><\/ul>\n\n\n\n<!--\u76ee\u6b21\u3078\u3001\u30da\u30fc\u30b8\u306e\u5148\u982d\u3078-->\n<div id=\"backcontainer\"><a id=\"linkmokuji\" href=\"javascript:backContainer();\">\u76ee\u6b21\u3078\uff1e\uff1e<\/a>\u3000<a id=\"linktop\" href=\"#\">\u5148\u982d\u3078\uff1e\uff1e<\/a><\/div>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"np-transpose\">np.newaxis\uff08\u6b21\u5143\u3092\u5897\u3084\u3059\uff09<\/h3>\n\n\n\n<pre class=\"wp-block-luxe-blocks-syntaxhighlighter line-numbers language-python\"><code class=\"language-python\">import numpy as np\na = np.arange(10).reshape(2,5)\nb = a[np.newaxis,:,:]\nc = a[:,:,np.newaxis]\nprint(a.shape)\nprint(b.shape)\nprint(c.shape)<\/code><\/pre>\n\n\n\n<pre class=\"result\" style=\"text-align:left;line-height:17px;font-family:Menlo,Consolas,monospace;font-size:14px;padding:30px 0px 10px 15px;margin-top:10px;padding-bottom:-30px!important;\">(2, 5)\n(1, 2, 5)\n(2, 5, 1)\n<\/pre>\n\n\n\n<ul class=\"wp-block-list\"><li>b<ul><li>\u5148\u982d\u306b\u65b0\u3057\u3044\u6b21\u5143\u304c\u52a0\u308f\u3063\u3066\u3044\u308b<\/li><\/ul><\/li><li>c<ul><li>\u672b\u5c3e\u306b\u65b0\u3057\u3044\u6b21\u5143\u304c\u52a0\u308f\u3063\u3066\u3044\u308b<\/li><\/ul><\/li><li>\u53c2\u8003<ul><li>\u3069\u3093\u306a\u5834\u5408\u306b\u5f79\u306b\u7acb\u3064\u304b\u306f(2, )\u3068(1,2)\u306e\u9055\u3044\u3092\u7406\u89e3\u3059\u308b\u3053\u3068\u304c\u8fd1\u9053<\/li><li>(2, )\u3068(1,2)\u306e\u9055\u3044\u306e\u8aac\u660e\u3057\u305f\u4e0b\u8a18\u8a18\u4e8b\u306b\u30d2\u30f3\u30c8\u3042\u308a<\/li><\/ul><\/li><\/ul>\n\n\n\n<div class=\"blogcard\"><a href=\"https:\/\/broaden-your-horizons.com\/ai-ss\/numpy\/feature-of-shape\/\" data-blogcard=\"1\"><\/a><\/div>\n\n\n\n<!--\u76ee\u6b21\u3078\u3001\u30da\u30fc\u30b8\u306e\u5148\u982d\u3078-->\n<div id=\"backcontainer\"><a id=\"linkmokuji\" href=\"javascript:backContainer();\">\u76ee\u6b21\u3078\uff1e\uff1e<\/a>\u3000<a id=\"linktop\" href=\"#\">\u5148\u982d\u3078\uff1e\uff1e<\/a><\/div>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"np-transpose\">\u30d5\u30a1\u30f3\u30b7\u30fc\u30a4\u30f3\u30c7\u30c3\u30af\u30b9\u53c2\u7167\u306b\u3088\u308b\u6b21\u5143\u4e26\u3073\u66ff\u3048<\/h3>\n\n\n\n<h4 class=\"wp-block-heading\">\u30c7\u30fc\u30bf\u4f5c\u6210<\/h4>\n\n\n\n<pre class=\"wp-block-luxe-blocks-syntaxhighlighter line-numbers language-python\"><code class=\"language-python\">import numpy as np\na = np.arange(18).reshape(3,6)\nprint(a)\nprint(a.shape)<\/code><\/pre>\n\n\n\n<pre class=\"result\" style=\"text-align:left;line-height:17px;font-family:Menlo,Consolas,monospace;font-size:14px;padding:30px 0px 10px 15px;margin-top:10px;padding-bottom:-30px!important;\">[[ 0  1  2  3  4  <font style=\"color:yellow;\">5<\/font>]\n [ 6  7  8  9 10 <font style=\"color:yellow;\">11<\/font>]\n [12 13 14 15 16 <font style=\"color:yellow;\">17<\/font>]]\n(3, 6)\n<\/pre>\n\n\n\n<ul class=\"wp-block-list\"><li>\u5f62\u72b6(3,6)\u306endarray\uff08NumPy\u914d\u5217\uff09\u3092\u4f5c\u6210<\/li><li>np.arange\u3092\u5229\u7528\u3057\u305f\u306e\u3067\u3001\u5404\u884c\u306e\u6570\u5b57\u304c\u30ad\u30ec\u30a4\u306b\u4e26\u3093\u3067\u3044\u308b\u307e\u3059<\/li><li>\u4e00\u756a\u53f3\u306e\u5217\u3092\u79fb\u52d5\u3055\u305b\u308b\u306e\u3067\u6ce8\u76ee<\/li><\/ul>\n\n\n\n<pre class=\"wp-block-luxe-blocks-syntaxhighlighter line-numbers language-python\"><code class=\"language-python\">b = a[:, [0, 5, 1, 2, 3, 4]]\nprint(b)\nprint(b.shape)<\/code><\/pre>\n\n\n\n<pre class=\"result\" style=\"text-align:left;line-height:17px;font-family:Menlo,Consolas,monospace;font-size:14px;padding:30px 0px 10px 15px;margin-top:10px;padding-bottom:-30px!important;\">[[ 0  <font style=\"color:yellow;\">5<\/font>  1  2  3  4]\n [ 6 <font style=\"color:yellow;\">11<\/font>  7  8  9 10]\n [12 <font style=\"color:yellow;\">17<\/font> 13 14 15 16]]\n(3, 6)\n<\/pre>\n\n\n\n<ul class=\"wp-block-list\"><li>[0,5,1,2,3,4]<ul><li>\u3053\u3053\u3067\u6307\u5b9a\u3057\u3066\u3044\u308b\u6570\u5b57\u306f\u5217\u756a\u53f7\uff080\u304b\u3089\u59cb\u307e\u308b\uff09<\/li><li>5\uff086\u5217\u76ee\uff09\u30922\u5217\u76ee\u306b\u79fb\u52d5\u3059\u308b\u3068\u8a00\u3046\u6307\u5b9a<\/li><\/ul><\/li><li>\u8ee2\u7f6e\u3068\u6bd4\u8f03\u3057\u3066\u7406\u89e3\u3092\u6df1\u3081\u3066\u304f\u3060\u3055\u3044<ul><li>\u8ee2\u7f6e\u306f\u6b21\u5143\u3092\u4e26\u3073\u66ff\u3048<\/li><li>\u3053\u306e\u4f8b\u3067\u306f\u5217\u3092\u4e26\u3073\u66ff\u3048<\/li><li>\u4e21\u8005\u3092\u304d\u3063\u3061\u308a\u7406\u89e3\u3059\u308b\u3053\u3068\u3067\u3001\u6b21\u5143\u306b\u5bfe\u3059\u308b\u7406\u89e3\u5ea6\u304cUP\u3057\u307e\u3059<\/li><\/ul><\/li><\/ul>\n\n\n\n<!--\u76ee\u6b21\u3078\u3001\u30da\u30fc\u30b8\u306e\u5148\u982d\u3078-->\n<div id=\"backcontainer\"><a id=\"linkmokuji\" href=\"javascript:backContainer();\">\u76ee\u6b21\u3078\uff1e\uff1e<\/a>\u3000<a id=\"linktop\" href=\"#\">\u5148\u982d\u3078\uff1e\uff1e<\/a><\/div>\n\n\n<p><!--\u518d\u5229\u7528\u30d6\u30ed\u30c3\u30af\uff08numpy-footer\uff09--><br \/>\n\n<div class=\"back-link\"><div class=\"wp-block-columns\">\n<div class=\"wp-block-column contents-link-line\"><p><a href=\"https:\/\/broaden-your-horizons.com\/ai-ss\/ai-top\/ai-summary\/\">AI\u307e\u3068\u3081<\/a><\/p><\/div>\n<div class=\"wp-block-column contents-link-line\"><p><a href=\"https:\/\/broaden-your-horizons.com\/ai-ss\/ai-top\/docker-wsl\/\">DOCKER\/WSL<\/a><\/p><\/div>\n<div class=\"wp-block-column contents-link-line\"><p><a href=\"https:\/\/broaden-your-horizons.com\/ai-ss\/ai-top\/development\/\">AI\u958b\u767a<\/a><\/p><\/div>\n<\/div><div class=\"wp-block-columns\">\n<div class=\"wp-block-column contents-link-line nowon\"><p><a href=\"https:\/\/broaden-your-horizons.com\/ai-ss\/ai-top\/library\/\">\u30e9\u30a4\u30d6\u30e9\u30ea<\/a><\/p><\/div>\n<div class=\"wp-block-column contents-link-line\"><p><a href=\"https:\/\/broaden-your-horizons.com\/ai-ss\/ai-top\/pooping\/\">\u3046\u3093\u3061\u304f<\/a><\/p><\/div>\n<div class=\"wp-block-column contents-link-line blank\"><p><\/p><\/div>\n<!--<div class=\"wp-block-column contents-link-line blank\"><p><a href=\"#\"><\/a><\/p><\/div>-->\n<\/div><\/div>\n<\/p>\n\n\n\n<p><\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u30b5\u30de\u30ea np.reshape \u5f62\u72b6\u5909\u63db -1\u306f\u6b8b\u308a\u5168\u90e8\u3068\u8a00\u3046\u610f\u5473 np.squeeze \u6b21\u5143\u524a\u9664 .T \u8ee2\u7f6e \u6b21\u5143\u3092\u9006\u306b\u4e26\u3073\u66ff\u3048 np.transpose .T\u3088\u308a\u67d4\u8edf\u306a\u8ee2\u7f6e \u6b21\u5143\u3092\u4efb\u610f\u306b\u4e26\u3073\u66ff\u3048 np.newaxis  [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":282,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[55],"tags":[47,54],"class_list":["post-4773","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-numpy","tag-numpy","tag-54"],"_links":{"self":[{"href":"https:\/\/broaden-your-horizons.com\/ai-ss\/wp-json\/wp\/v2\/posts\/4773","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/broaden-your-horizons.com\/ai-ss\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/broaden-your-horizons.com\/ai-ss\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/broaden-your-horizons.com\/ai-ss\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/broaden-your-horizons.com\/ai-ss\/wp-json\/wp\/v2\/comments?post=4773"}],"version-history":[{"count":48,"href":"https:\/\/broaden-your-horizons.com\/ai-ss\/wp-json\/wp\/v2\/posts\/4773\/revisions"}],"predecessor-version":[{"id":7093,"href":"https:\/\/broaden-your-horizons.com\/ai-ss\/wp-json\/wp\/v2\/posts\/4773\/revisions\/7093"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/broaden-your-horizons.com\/ai-ss\/wp-json\/wp\/v2\/media\/282"}],"wp:attachment":[{"href":"https:\/\/broaden-your-horizons.com\/ai-ss\/wp-json\/wp\/v2\/media?parent=4773"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/broaden-your-horizons.com\/ai-ss\/wp-json\/wp\/v2\/categories?post=4773"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/broaden-your-horizons.com\/ai-ss\/wp-json\/wp\/v2\/tags?post=4773"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}