{"id":12495,"date":"2024-12-05T21:37:28","date_gmt":"2024-12-05T12:37:28","guid":{"rendered":"http:\/\/pineplanter.moo.jp\/non-it-salaryman\/?p=12495"},"modified":"2024-12-05T21:37:28","modified_gmt":"2024-12-05T12:37:28","slug":"py-ravel","status":"publish","type":"post","link":"https:\/\/pineplanter.moo.jp\/non-it-salaryman\/2024\/12\/05\/py-ravel\/","title":{"rendered":"\u3010Python\u3011NumPy\u306e1\u6b21\u5143\u5909\u63db\u30e1\u30bd\u30c3\u30c9ravel\u3068flatten\u3068\u306e\u9055\u3044"},"content":{"rendered":"<p>NumPy\u3092\u4f7f\u3063\u305f\u914d\u5217\u64cd\u4f5c\u3067\u3001\u6b21\u5143\u30921\u6b21\u5143\u306b\u5909\u63db\u3059\u308b\u65b9\u6cd5\u3068\u3057\u3066\u3088\u304f\u4f7f\u308f\u308c\u308b\u306e\u304c<strong>ravel<\/strong>\u3068<strong>flatten<\/strong>\u3067\u3059\u3002\u4e00\u898b\u4f3c\u3066\u3044\u308b\u3053\u308c\u3089\u306e\u30e1\u30bd\u30c3\u30c9\u3067\u3059\u304c\u3001\u5b9f\u306f\u6319\u52d5\u306b\u91cd\u8981\u306a\u9055\u3044\u304c\u3042\u308a\u307e\u3059\u3002\u672c\u8a18\u4e8b\u3067\u306f\u3001<strong>ravel<\/strong>\u3068<strong>flatten<\/strong>\u306e\u9055\u3044\u306b\u3064\u3044\u3066\u3001\u53c2\u7167\u3084\u30b3\u30d4\u30fc\u306e\u89b3\u70b9\u304b\u3089\u5206\u304b\u308a\u3084\u3059\u304f\u89e3\u8aac\u3057\u307e\u3059\u3002\u4f7f\u3044\u3069\u3053\u308d\u3092\u9593\u9055\u3048\u308b\u3068\u610f\u56f3\u3057\u306a\u3044\u30d0\u30b0\u306b\u3064\u306a\u304c\u308b\u53ef\u80fd\u6027\u3082\u3042\u308b\u305f\u3081\u9055\u3044\u3092\u3057\u3063\u304b\u308a\u7406\u89e3\u3057\u307e\u3057\u3087\u3046\u3002<\/p>\n<h2>NumPy\u306eravel\u3068flatten\u306e\u9055\u3044<\/h2>\n<h5>ravel\u30e1\u30bd\u30c3\u30c9:<\/h5>\n<ul>\n<li>\u53c2\u7167\u3092\u8fd4\u3059\u53ef\u80fd\u6027\u304c\u3042\u308a\u307e\u3059\uff08\u5143\u306e\u914d\u5217\u3092\u53c2\u7167\u3057\u3066\u3044\u308b\u30d3\u30e5\u30fc\u3092\u8fd4\u3057\u307e\u3059\uff09\u3002<\/li>\n<li>\u305f\u3060\u3057\u3001\u5143\u306e\u914d\u5217\u304c\u30e1\u30e2\u30ea\u4e0a\u3067\u9023\u7d9a\u3057\u3066\u3044\u306a\u3044\u5834\u5408\u3084\u5909\u66f4\u3092\u52a0\u3048\u308b\u5834\u5408\u306f\u3001\u65b0\u3057\u3044\u30b3\u30d4\u30fc\u3092\u8fd4\u3057\u307e\u3059\u3002<\/li>\n<li>\u3088\u308a\u30e1\u30e2\u30ea\u52b9\u7387\u7684\u306a\u64cd\u4f5c\u304c\u53ef\u80fd\u3067\u3059\u3002<\/li>\n<\/ul>\n<h5>flatten\u30e1\u30bd\u30c3\u30c9:<\/h5>\n<ul>\n<li>\u30b3\u30d4\u30fc\u3092\u5e38\u306b\u8fd4\u3057\u307e\u3059\u3002<\/li>\n<li>\u5143\u306e\u914d\u5217\u3068\u306f\u72ec\u7acb\u3057\u305f\u65b0\u3057\u3044\u914d\u5217\u3092\u751f\u6210\u3057\u307e\u3059\u3002<\/li>\n<\/ul>\n<h2>\u4f8b\u3067\u78ba\u8a8d<\/h2>\n<pre class=\"brush: python; title: ; notranslate\" title=\"\">\r\nimport numpy as np\r\n\r\n# \u5143\u306e\u914d\u5217\r\na = np.array(&#x5B;&#x5B;1, 2], &#x5B;3, 4]])\r\n\r\n# flatten # \u30b3\u30d4\u30fc\r\nb = a.flatten()\r\nb&#x5B;0] = 0  # c\u3092\u5909\u66f4\r\nprint(a)  # a\u306b\u306f\u5909\u66f4\u304c\u53cd\u6620\u3055\u308c\u306a\u3044\uff08\u30b3\u30d4\u30fc\u306e\u5834\u5408\uff09\r\n\r\n# ravel # \u53c2\u7167\r\nc = a.ravel()\r\nc&#x5B;0] = 99  # b\u3092\u5909\u66f4\r\nprint(a)  # a\u306b\u3082\u5909\u66f4\u304c\u53cd\u6620\u3055\u308c\u308b\uff08\u53c2\u7167\u306e\u5834\u5408\uff09\r\n\r\n# \u51fa\u529b\u7d50\u679c\r\n# &#x5B;&#x5B;1 2]\r\n#  &#x5B;3 4]]\r\n# &#x5B;&#x5B;99  2]\r\n#  &#x5B; 3  4]]\r\n \r\n<\/pre>\n<p>&nbsp;<\/p>\n<p>&nbsp;<\/p>\n","protected":false},"excerpt":{"rendered":"<p>NumPy\u3092\u4f7f\u3063\u305f\u914d\u5217\u64cd\u4f5c\u3067\u3001\u6b21\u5143\u30921\u6b21\u5143\u306b\u5909\u63db\u3059\u308b\u65b9\u6cd5\u3068\u3057\u3066\u3088\u304f\u4f7f\u308f\u308c\u308b\u306e\u304cr &#8230; <\/p>\n","protected":false},"author":1,"featured_media":12090,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[37],"tags":[],"class_list":["post-12495","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-python"],"aioseo_notices":[],"_links":{"self":[{"href":"https:\/\/pineplanter.moo.jp\/non-it-salaryman\/wp-json\/wp\/v2\/posts\/12495","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/pineplanter.moo.jp\/non-it-salaryman\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/pineplanter.moo.jp\/non-it-salaryman\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/pineplanter.moo.jp\/non-it-salaryman\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/pineplanter.moo.jp\/non-it-salaryman\/wp-json\/wp\/v2\/comments?post=12495"}],"version-history":[{"count":1,"href":"https:\/\/pineplanter.moo.jp\/non-it-salaryman\/wp-json\/wp\/v2\/posts\/12495\/revisions"}],"predecessor-version":[{"id":12496,"href":"https:\/\/pineplanter.moo.jp\/non-it-salaryman\/wp-json\/wp\/v2\/posts\/12495\/revisions\/12496"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/pineplanter.moo.jp\/non-it-salaryman\/wp-json\/wp\/v2\/media\/12090"}],"wp:attachment":[{"href":"https:\/\/pineplanter.moo.jp\/non-it-salaryman\/wp-json\/wp\/v2\/media?parent=12495"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/pineplanter.moo.jp\/non-it-salaryman\/wp-json\/wp\/v2\/categories?post=12495"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/pineplanter.moo.jp\/non-it-salaryman\/wp-json\/wp\/v2\/tags?post=12495"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}