{"id":427,"date":"2014-10-01T23:29:44","date_gmt":"2014-10-01T14:29:44","guid":{"rendered":"https:\/\/www.dogrow.net\/octave\/?p=427"},"modified":"2019-10-26T20:42:54","modified_gmt":"2019-10-26T11:42:54","slug":"blog36","status":"publish","type":"post","link":"https:\/\/www.dogrow.net\/octave\/blog36\/","title":{"rendered":"(36) \u9806\u5217"},"content":{"rendered":"<p><span class=\"my_fc_deeppinkBBig\">perms<\/span> \u3092\u4f7f\u3046\u3068\u30d9\u30af\u30c8\u30eb\u8981\u7d20\u306e\u9806\u5217 <span class=\"my_fc_blueB\">Permutation<\/span> \u3092\u751f\u6210\u3067\u304d\u308b\u3002<\/p>\n<pre class=\"my_pre_octave\">\r\noctave:1&gt; v = [3,5,2]\r\nv =\r\n   3   5   2\r\n\r\noctave:2&gt; <span class=\"my_fc_deeppinkB\">perms<\/span>(v)\r\nans =\r\n   3   5   2\r\n   5   3   2\r\n   3   2   5\r\n   5   2   3\r\n   2   3   5\r\n   2   5   3\r\n<\/pre>\n<p><span class=\"my_fc_deeppinkBBig\">nchoosek<\/span> \u3092\u4f7f\u3046\u3068\u30d9\u30af\u30c8\u30eb\u8981\u7d20\u306e\u4e2d\u304b\u3089\u4efb\u610f\u500b\u6570\u306e\u7d44\u307f\u5408\u308f\u305b <span class=\"my_fc_blueB\">Combination<\/span> \u3092\u751f\u6210\u3067\u304d\u308b\u3002<\/p>\n<pre class=\"my_pre_octave\">\r\noctave:3&gt; v = [1:5]\r\nv =\r\n   1   2   3   4   5\r\n\r\noctave:4&gt; <span class=\"my_fc_deeppinkB\">nchoosek<\/span>(v,3)\r\nans =\r\n   1   2   3\r\n   1   2   4\r\n   1   2   5\r\n   1   3   4\r\n   1   3   5\r\n   1   4   5\r\n   2   3   4\r\n   2   3   5\r\n   2   4   5\r\n   3   4   5\r\n<\/pre>\n<p>\u3053\u3053\u3067&#8230;<br \/>\n<span class=\"my_fc_deeppinkBBig\">nPr<\/span> \u3092\u51fa\u3057\u305f\u3044\u306e\u3060\u304c\u3001<span class=\"my_fc_deeppinkBBig\">perms <\/span>\u3067\u306f <span class=\"my_fc_deeppinkBBig\">nPn <\/span>\u306f\u51fa\u305b\u3066\u3082 <span class=\"my_fc_deeppinkBBig\">nPr<\/span> \u304c\u51fa\u305b\u306a\u3044\u3002<\/p>\n<p>\u82e6\u8089\u306e\u7b56\u3067\u4ee5\u4e0b\u306e\u3088\u3046\u306b <span class=\"my_fc_deeppinkBBig\">perms<\/span> \u3068 <span class=\"my_fc_deeppinkBBig\">nchoosek<\/span> \u3092\u7d44\u307f\u5408\u308f\u305b\u3066 <span class=\"my_fc_deeppinkBBig\">nPr<\/span> \u3092\u751f\u6210\u3057\u3066\u307f\u305f\u3002<br \/>\n<span class=\"my_fc_crimsonB\">\u7d76\u5bfe\u306b\u30b9\u30de\u30fc\u30c8\u306a\u65b9\u6cd5\u304c\u3042\u308b\u306f\u305a\u306a\u306e\u3060\u304c\u308f\u304b\u3089\u306a\u3044&#8230;<\/span><\/p>\n<p>\u3053\u3053\u3067\u306f <span class=\"my_fc_deeppinkB\">{ 1, 2, 3, 4, 5 }<\/span> \u306e\u4e2d\u304b\u3089 <span class=\"my_fc_deeppinkB\">3\u500b\u3092\u9078\u3076<\/span> \u3068\u304d\u306e\u7d44\u307f\u5408\u308f\u305b\u3092\u751f\u6210\u3057\u3066\u307f\u308b\u3002<\/p>\n<pre class=\"my_pre_octave\">\r\noctave:5&gt; v = [1:5];\r\noctave:6&gt; n = 3;\r\noctave:7&gt; c = <span class=\"my_fc_deeppinkB\">nchoosek<\/span>(v,n);\r\noctave:8&gt; p = [];\r\noctave:9&gt; for i=1: size(c,1)\r\n&gt;     p = [p; <span class=\"my_fc_deeppinkB\">perms<\/span>(c(i,:))];\r\n&gt; end\r\noctave:10&gt; disp(p);\r\n   1   2   3\r\n   2   1   3\r\n   1   3   2\r\n   2   3   1\r\n   3   1   2\r\n   3   2   1\r\n   1   2   4\r\n   2   1   4\r\n   1   4   2\r\n   2   4   1\r\n   4   1   2\r\n   4   2   1\r\n   1   2   5\r\n   2   1   5\r\n   1   5   2\r\n   2   5   1\r\n   5   1   2\r\n   5   2   1\r\n   1   3   4\r\n   3   1   4\r\n   1   4   3\r\n   3   4   1\r\n   4   1   3\r\n   4   3   1\r\n   1   3   5\r\n   3   1   5\r\n   1   5   3\r\n   3   5   1\r\n   5   1   3\r\n   5   3   1\r\n   1   4   5\r\n   4   1   5\r\n   1   5   4\r\n   4   5   1\r\n   5   1   4\r\n   5   4   1\r\n   2   3   4\r\n   3   2   4\r\n   2   4   3\r\n   3   4   2\r\n   4   2   3\r\n   4   3   2\r\n   2   3   5\r\n   3   2   5\r\n   2   5   3\r\n   3   5   2\r\n   5   2   3\r\n   5   3   2\r\n   2   4   5\r\n   4   2   5\r\n   2   5   4\r\n   4   5   2\r\n   5   2   4\r\n   5   4   2\r\n   3   4   5\r\n   4   3   5\r\n   3   5   4\r\n   4   5   3\r\n   5   3   4\r\n   5   4   3\r\noctave:11&gt; disp(size(p));\r\n   <span class=\"my_fc_deeppinkB\">60<\/span>    3\r\n<\/pre>\n<p><sub>5<\/sub>P<sub>3<\/sub>\u306e\u7d44\u307f\u5408\u308f\u305b\u6570\u3092\u8a08\u7b97\u3067\u6c42\u3081\u308b\u3068\u4ee5\u4e0b\u306e\u901a\u308a\u3002<\/p>\n<pre class=\"my_pre_octave\">\r\n(5 x 4 x 3 x 2 x 1) \/ (2 x 1)\r\n= 5 x 4 x 3\r\n= <span class=\"my_fc_deeppinkB\">60\r\n<\/span><\/pre>\n<p>\u6b63\u3057\u304f60\u901a\u308a\u306e\u7d44\u307f\u5408\u308f\u305b\u3092\u751f\u6210\u3067\u304d\u3066\u3044\u308b\u3088\u3046\u3060\u3002<\/p>\n<hr class=\"my_hr_bottom\">\n","protected":false},"excerpt":{"rendered":"<p>perms \u3092\u4f7f\u3046\u3068\u30d9\u30af\u30c8\u30eb\u8981\u7d20\u306e\u9806\u5217 Permutation \u3092\u751f\u6210\u3067\u304d\u308b\u3002 octave:1&gt; v = [3,5,2] v = 3 5 2 octave:2&gt; perms(v) ans = 3 5 2 5\u2026 <span class=\"read-more\"><a href=\"https:\/\/www.dogrow.net\/octave\/blog36\/\">\u7d9a\u304d\u3092\u8aad\u3080 &raquo;<\/a><\/span><\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[23],"tags":[],"class_list":["post-427","post","type-post","status-publish","format-standard","hentry","category-23"],"views":3977,"amp_enabled":true,"_links":{"self":[{"href":"https:\/\/www.dogrow.net\/octave\/wp-json\/wp\/v2\/posts\/427","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=427"}],"version-history":[{"count":13,"href":"https:\/\/www.dogrow.net\/octave\/wp-json\/wp\/v2\/posts\/427\/revisions"}],"predecessor-version":[{"id":1009,"href":"https:\/\/www.dogrow.net\/octave\/wp-json\/wp\/v2\/posts\/427\/revisions\/1009"}],"wp:attachment":[{"href":"https:\/\/www.dogrow.net\/octave\/wp-json\/wp\/v2\/media?parent=427"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.dogrow.net\/octave\/wp-json\/wp\/v2\/categories?post=427"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.dogrow.net\/octave\/wp-json\/wp\/v2\/tags?post=427"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}