{"id":3382,"date":"2016-11-10T00:32:39","date_gmt":"2016-11-09T15:32:39","guid":{"rendered":"http:\/\/stuffy.dip.jp\/wordpress\/?p=2405"},"modified":"2016-11-10T00:32:39","modified_gmt":"2016-11-09T15:32:39","slug":"making-2-dimention-matrix-on-javascript","status":"publish","type":"post","link":"https:\/\/www.stuffy.site\/wordpress\/?p=3382","title":{"rendered":"javascript\u306e2\u6b21\u5143\u914d\u5217\u306e\u751f\u6210"},"content":{"rendered":"<p>JavaScript\u3067\u306f\u30cd\u30a4\u30c6\u30a3\u30d6\u30aa\u30d6\u30b8\u30a7\u30af\u30c8\u306b\u5bfe\u3057\u3066\u30e1\u30bd\u30c3\u30c9\u3092\u8ffd\u52a0\u3057\u3066\u30012\u6b21\u5143\u914d\u5217\u3092\u5b9a\u7fa9\u3059\u308b\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002\uff08\u3053\u3053\u3067\u306fArray\u30aa\u30d6\u30b8\u30a7\u30af\u30c8\u306e\u30d7\u30ed\u30c8\u30bf\u30a4\u30d7\u306b\u5bfe\u3057\u3066\u3002\uff09<\/p>\n<p>\u300eJavaScript \u3067\u306f2\u6b21\u5143\u4ee5\u4e0a\u306e\u914d\u5217\u306f\u7528\u610f\u3055\u308c\u3066\u3044\u306a\u3044\u3002\u3057\u304b\u3057\u3001\uff23\u8a00\u8a9e\u3068\u307b\u307c\u540c\u3058\u65b9\u6cd5\u3067\u3001\u914d\u5217\u306e\u914d\u5217\u3092\u4f5c\u308b\u3053\u3068\u304c\u3067\u304d\u308b\u3002\u300f\uff08JavaScript: The Good Parts \u826f\u3044\u30d1\u30fc\u30c4\u306b\u3088\u308b\u30d9\u30b9\u30c8\u30d7\u30e9\u30af\u30c6\u30a3\u30b9 p.73)<\/p>\n<pre class=\"brush: actionscript3; gutter: false; first-line: 1\"><span style=\"font-size: 10pt;\">Array.matrix = function (m, n, initial) {\n\u00a0\u00a0\u00a0 var a, i, j, mat = [];\n\u00a0\u00a0\u00a0\u00a0\u00a0 for (i=0; i &lt; m; i += 1) {\n\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 a = [];\n\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 for (j = 0; j &lt; n; j += 1) {\n\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 a[j] = initial;\n\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 }\n\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 mat[i] = a;\n\u00a0\u00a0\u00a0\u00a0\u00a0 }\n\u00a0\u00a0\u00a0\u00a0\u00a0 return mat;\n}\n\/\/ \u30bc\u30ed\u3067\u57cb\u3081\u3089\u308c\u305f 4 X 4 \u306e\u884c\u5217\u3092\u751f\u6210\u3059\u308b\n\nvar myMatrix = Array.matrix(4, 4, 0);\n\n\/\/ \u5358\u4f4d\u884c\u5217\u3092\u751f\u6210\u3059\u308b\u30e1\u30bd\u30c3\u30c9\n\nArray.identity = function (n) {\n\u00a0\u00a0\u00a0 var i, mat = Array.matrix(n, n, 0);\n\u00a0\u00a0\u00a0 for (i=0; i &lt; n; i += 1) {\n\u00a0\u00a0\u00a0\u00a0\u00a0 mat[i][i] = 1;\n\u00a0\u00a0\u00a0 }\n\u00a0\u00a0\u00a0 return mat;\n};\nmyMatrix = Array.identity(4);\n<\/span><\/pre>\n<p>\u914d\u5217\u306e\u51fa\u529b\u30e1\u30bd\u30c3\u30c9\u304c\u3042\u308a\u307e\u305b\u3093\u3067\u3057\u305f\u304c\u305b\u3063\u304b\u304f\u306a\u306e\u3067\u3001\u81ea\u4f5c\u3057\u3066\u307f\u307e\u3057\u305f\u3002<\/p>\n<pre class=\"brush: actionscript3; gutter: false; first-line: 1\"><span style=\"font-size: 10pt;\">\/\/ \u751f\u6210\u3055\u308c\u305f\u884c\u5217\u3092\u66f8\u304d\u51fa\u3059\u30e1\u30bd\u30c3\u30c9\nArray.output = function (n) {\n\u00a0 var i,j, mat = Array.identity(n);\n\u00a0\u00a0\u00a0 for (i=0; i &lt; n; i += 1) {\n\u00a0\u00a0\u00a0\u00a0\u00a0 for (j=0; j &lt; n; j += 1) {\n\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 document.writeln(myMatrix[i][j]);\n\u00a0\u00a0\u00a0\u00a0\u00a0 }\n\u00a0\u00a0\u00a0\u00a0\u00a0 document.writeln(\"&lt;br&gt;\");\n\u00a0\u00a0\u00a0 }\n\u00a0\u00a0\u00a0 return mat;\n};\nprintMatrix = Array.output(4);\n<\/span><\/pre>\n<p>\u4ee5\u4e0a\u306e\u30b3\u30fc\u30c9\u306f\u3001\u6982\u306d\u671f\u5f85\u3057\u305f\u7d50\u679c\u304c\u5f97\u3089\u308c\u307e\u3057\u305f\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>JavaScript\u3067\u306f\u30cd\u30a4\u30c6\u30a3\u30d6\u30aa\u30d6\u30b8\u30a7\u30af\u30c8\u306b\u5bfe\u3057\u3066\u30e1\u30bd\u30c3\u30c9\u3092\u8ffd\u52a0\u3057\u3066\u30012\u6b21\u5143\u914d\u5217\u3092\u5b9a\u7fa9\u3059\u308b\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002\uff08\u3053\u3053\u3067\u306fArray\u30aa\u30d6\u30b8\u30a7\u30af\u30c8\u306e\u30d7\u30ed\u30c8\u30bf\u30a4\u30d7\u306b\u5bfe\u3057\u3066\u3002\uff09 \u300eJavaScript \u3067\u306f2\u6b21\u5143\u4ee5\u4e0a\u306e\u914d\u5217\u306f\u7528\u610f &hellip; <a href=\"https:\/\/www.stuffy.site\/wordpress\/?p=3382\" class=\"more-link\">\u7d9a\u304d\u3092\u8aad\u3080 <span class=\"screen-reader-text\">javascript\u306e2\u6b21\u5143\u914d\u5217\u306e\u751f\u6210<\/span><\/a><\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[87,5],"tags":[],"class_list":["post-3382","post","type-post","status-publish","format-standard","hentry","category-javascript","category-software"],"_links":{"self":[{"href":"https:\/\/www.stuffy.site\/wordpress\/index.php?rest_route=\/wp\/v2\/posts\/3382","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.stuffy.site\/wordpress\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.stuffy.site\/wordpress\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.stuffy.site\/wordpress\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.stuffy.site\/wordpress\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=3382"}],"version-history":[{"count":0,"href":"https:\/\/www.stuffy.site\/wordpress\/index.php?rest_route=\/wp\/v2\/posts\/3382\/revisions"}],"wp:attachment":[{"href":"https:\/\/www.stuffy.site\/wordpress\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=3382"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.stuffy.site\/wordpress\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=3382"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.stuffy.site\/wordpress\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=3382"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}