{"id":143,"date":"2013-08-24T00:03:41","date_gmt":"2013-08-23T15:03:41","guid":{"rendered":"https:\/\/www.dogrow.net\/octave\/?p=143"},"modified":"2019-10-26T19:33:31","modified_gmt":"2019-10-26T10:33:31","slug":"blog17","status":"publish","type":"post","link":"https:\/\/www.dogrow.net\/octave\/blog17\/","title":{"rendered":"(17) rand()\u3068randn()\u3067\u4e71\u6570\u751f\u6210"},"content":{"rendered":"<p><span class=\"my_fc_deeppinkBBig\">rand()<\/span>\u306f\u3001\u4e00\u69d8\u5206\u5e03\u306e\u4e71\u6570\u751f\u6210\u3001<br \/>\n<span class=\"my_fc_deeppinkBBig\">randn()<\/span> \u306f\u3001\u6b63\u898f\u5206\u5e03\u306b\u5f93\u3063\u305f\u4e71\u6570\u751f\u6210\u3092\u3057\u3066\u304f\u308c\u308b\u3002<\/p>\n<p>(1) \u307e\u305a\u306f <span class=\"my_fc_deeppinkBBig\">rand()<\/span> \u3067 200&#215;200\u500b\u306e\u4e71\u6570\u3092\u751f\u6210\u3057\u3001\u30d2\u30b9\u30c8\u30b0\u30e9\u30e0\u3067\u305d\u306e\u5206\u5e03\u3092\u898b\u3066\u307f\u308b\u3002<\/p>\n<pre class=\"my_pre_octave\">\r\noctave:1&gt; a=<span class=\"my_fc_deeppinkB\">rand<\/span>(200);          % 200x200\u500b\u306e0.0\uff5e1.0\u307e\u3067\u306e\u4e00\u69d8\u4e71\u6570\u3092\u751f\u6210\r\noctave:2&gt; b=a*100; c=floor(b);  % \u751f\u6210\u3057\u305f\u4e71\u6570\u30920\uff5e100\u306e\u6574\u6570\u306b\u5909\u63db\r\noctave:3&gt; hist(c)               % \u30d2\u30b9\u30c8\u30b0\u30e9\u30e0\u8868\u793a\r\n<\/pre>\n<p>\u7d50\u679c\u306f\u4ee5\u4e0b\u306e\u3088\u3046\u306b\u306a\u3063\u305f\u3002\u78ba\u304b\u306b0\uff5e100\u306e\u5168\u7bc4\u56f2\u306b\u6e21\u3063\u3066\u5747\u7b49\u306b\u4e71\u6570\u304c\u751f\u6210\u3055\u308c\u3066\u3044\u308b\u3002<br \/>\n<img decoding=\"async\" alt=\"\" src=\"https:\/\/www.dogrow.net\/octave\/wp-content\/uploads\/2013\/08\/20130823_0001.gif\" \/><\/p>\n<p>(2) \u6b21\u306b\u3001<span class=\"my_fc_deeppinkBBig\">randn()<\/span> \u3067 200&#215;200\u500b\u306e\u4e71\u6570\u3092\u751f\u6210\u3057\u3001\u30d2\u30b9\u30c8\u30b0\u30e9\u30e0\u3067\u305d\u306e\u5206\u5e03\u3092\u898b\u3066\u307f\u308b\u3002<\/p>\n<pre class=\"my_pre_octave\">\r\noctave:1&gt; a=<span class=\"my_fc_deeppinkB\">randn<\/span>(200);         % 200x200\u500b\u306e0.0\uff5e1.0\u307e\u3067\u306e\u6b63\u898f\u5206\u5e03\u4e71\u6570\u3092\u751f\u6210\r\noctave:2&gt; b=a*100; c=floor(b);  % \u751f\u6210\u3057\u305f\u4e71\u6570\u30920\uff5e100\u306e\u6574\u6570\u306b\u5909\u63db\r\noctave:3&gt; hist(c)               % \u30d2\u30b9\u30c8\u30b0\u30e9\u30e0\u8868\u793a\r\n<\/pre>\n<p>\u7d50\u679c\u306f\u4ee5\u4e0b\u306e\u3088\u3046\u306b\u306a\u3063\u305f\u3002\u6b63\u898f\u5206\u5e03\u306b\u5f93\u3063\u3066\u4e71\u6570\u304c\u751f\u6210\u3055\u308c\u3066\u3044\u308b\u3002<br \/>\n<img decoding=\"async\" alt=\"\" src=\"https:\/\/www.dogrow.net\/octave\/wp-content\/uploads\/2013\/08\/20130823_0002.gif\" \/><\/p>\n<p><span class=\"my_fc_crimsonBBig\">\u306a\u3093\u3060\u304b\u9699\u9593\u304c\u7a7a\u3044\u3066\u3044\u308b\u3088\u3046\u306a&#8230;<br \/>\n\u5f8c\u3067\u8abf\u3079\u3066\u307f\u3088\u3046\u3002<\/span><\/p>\n<hr class=\"my_hr_bottom\">\n","protected":false},"excerpt":{"rendered":"<p>rand()\u306f\u3001\u4e00\u69d8\u5206\u5e03\u306e\u4e71\u6570\u751f\u6210\u3001 randn() \u306f\u3001\u6b63\u898f\u5206\u5e03\u306b\u5f93\u3063\u305f\u4e71\u6570\u751f\u6210\u3092\u3057\u3066\u304f\u308c\u308b\u3002 (1) \u307e\u305a\u306f rand() \u3067 200&#215;200\u500b\u306e\u4e71\u6570\u3092\u751f\u6210\u3057\u3001\u30d2\u30b9\u30c8\u30b0\u30e9\u30e0\u3067\u305d\u306e\u5206\u5e03\u3092\u898b\u3066\u307f\u308b\u3002 octav\u2026 <span class=\"read-more\"><a href=\"https:\/\/www.dogrow.net\/octave\/blog17\/\">\u7d9a\u304d\u3092\u8aad\u3080 &raquo;<\/a><\/span><\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[6,3],"tags":[],"class_list":["post-143","post","type-post","status-publish","format-standard","hentry","category-6","category-3"],"views":12169,"amp_enabled":true,"_links":{"self":[{"href":"https:\/\/www.dogrow.net\/octave\/wp-json\/wp\/v2\/posts\/143","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.dogrow.net\/octave\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.dogrow.net\/octave\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.dogrow.net\/octave\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.dogrow.net\/octave\/wp-json\/wp\/v2\/comments?post=143"}],"version-history":[{"count":14,"href":"https:\/\/www.dogrow.net\/octave\/wp-json\/wp\/v2\/posts\/143\/revisions"}],"predecessor-version":[{"id":971,"href":"https:\/\/www.dogrow.net\/octave\/wp-json\/wp\/v2\/posts\/143\/revisions\/971"}],"wp:attachment":[{"href":"https:\/\/www.dogrow.net\/octave\/wp-json\/wp\/v2\/media?parent=143"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.dogrow.net\/octave\/wp-json\/wp\/v2\/categories?post=143"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.dogrow.net\/octave\/wp-json\/wp\/v2\/tags?post=143"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}