{"id":10819,"date":"2026-04-18T08:02:22","date_gmt":"2026-04-17T23:02:22","guid":{"rendered":"https:\/\/lanqiu.aboutphlaw.com\/?p=10819"},"modified":"2026-04-18T08:02:22","modified_gmt":"2026-04-17T23:02:22","slug":"matrix-inverse-3x3-practical-guide","status":"publish","type":"post","link":"https:\/\/lanqiu.aboutphlaw.com\/3x3\/matrix-inverse-3x3-practical-guide","title":{"rendered":"\u884c\u5217\u306e\u9006\u884c\u5217\u3092\u6c42\u3081\u308b\u65b9\u6cd5matrix find inverse 3×3\u306e\u5b9f\u8df5\u30ac\u30a4\u30c9"},"content":{"rendered":"

\u76ee\u6b211<\/h4>\n

\u884c\u5217\u306e\u9006\u884c\u5217\u3092\u6c42\u3081\u308b\u3053\u3068\u306f\u3001\u6570\u5b66\u3084\u5de5\u5b66\u306e\u5206\u91ce\u3067\u983b\u7e41\u306b\u884c\u308f\u308c\u308b\u91cd\u8981\u306a\u6280\u8853\u3067\u3059\u3002\u7279\u306b3×3\u884c\u5217\u306b\u95a2\u3057\u3066\u306f\u3001\u305d\u306e\u8a08\u7b97\u904e\u7a0b\u304c\u30b7\u30f3\u30d7\u30eb\u3067\u3042\u308a\u306a\u304c\u3089\u3001\u5b9f\u969b\u306e\u554f\u984c\u89e3\u6c7a\u306b\u7d76\u5927\u306a\u52b9\u679c\u3092\u6301\u3063\u3066\u3044\u307e\u3059\u3002\u3053\u306e\u30ac\u30a4\u30c9\u3067\u306f\u3001\u884c\u5217\u306e\u9006\u884c\u5217\u3092\u6c42\u3081\u308b\u65b9\u6cd5\u3001\u7279\u306b3×3\u884c\u5217\u306b\u7126\u70b9\u3092\u5f53\u3066\u306a\u304c\u3089\u3001\u5fc5\u8981\u306a\u624b\u9806\u3068\u8003\u616e\u3059\u3079\u304d\u8981\u7d20\u3092\u8a73\u3057\u304f\u89e3\u8aac\u3057\u3066\u3044\u304d\u307e\u3059\u3002<\/p>\n

\u76ee\u6b212<\/h4>\n

\u307e\u305a\u3001\u9006\u884c\u5217\u3092\u6c42\u3081\u308b\u305f\u3081\u306b\u306f\u3001\u5143\u306e\u884c\u5217\u304c\u6b63\u5247\u3067\u3042\u308b\u5fc5\u8981\u304c\u3042\u308a\u307e\u3059\u3002\u3064\u307e\u308a\u3001\u884c\u5217\u306e\u884c\u5217\u5f0f\uff08determinant\uff09\u304c\u30bc\u30ed\u3067\u306a\u3044\u3053\u3068\u304c\u6761\u4ef6\u3067\u3059\u30023×3\u884c\u5217\u306e\u4e00\u822c\u5f62\u306f\u3001\u6b21\u306e\u3088\u3046\u306b\u8868\u3055\u308c\u307e\u3059\u3002A = [[a, b, c], [d, e, f], [g, h, i]]\u3002\u884c\u5217\u5f0f\u306f\u3001det(A) = a(ei – fh) – b(di – fg) + c(dh – eg)\u3068\u3044\u3046\u5f0f\u3067\u8a08\u7b97\u3055\u308c\u307e\u3059\u3002\u3053\u306e\u884c\u5217\u5f0f\u304c\u30bc\u30ed\u3067\u3042\u308c\u3070\u3001\u9006\u884c\u5217\u306f\u5b58\u5728\u3057\u307e\u305b\u3093\u3002\u307e\u305a\u306f\u3053\u306e\u6761\u4ef6\u3092\u78ba\u8a8d\u3057\u307e\u3057\u3087\u3046\u3002<\/p>\n

\u76ee\u6b213<\/h4>\n

\u884c\u5217\u306e\u9006\u884c\u5217\u3092\u5b9f\u969b\u306b\u8a08\u7b97\u3059\u308b\u969b\u306b\u306f\u3001\u4ee5\u4e0b\u306e\u624b\u9806\u306b\u5f93\u3044\u307e\u3059\u3002\u307e\u305a\u3001\u4e0a\u8a18\u306e\u884c\u5217\u5f0f\u3092\u8a08\u7b97\u3057\u3001\u6b21\u306b\u884c\u5217\u306e\u4f59\u56e0\u5b50\u884c\u5217\u3092\u6c42\u3081\u307e\u3059\u3002\u4f59\u56e0\u5b50\u884c\u5217\u306f\u3001\u5404\u8981\u7d20\u306b\u5bfe\u3057\u3066\u305d\u306e\u8981\u7d20\u3092\u542b\u307e\u306a\u30442×2\u884c\u5217\u306e\u884c\u5217\u5f0f\u306b\u3001\u6b63\u8ca0\u306e\u7b26\u53f7\u3092\u4ed8\u4e0e\u3057\u305f\u3082\u306e\u3067\u3059\u3002\u3053\u306e\u4f59\u56e0\u5b50\u884c\u5217\u3092\u8ee2\u7f6e\u3057\u3066\u3001\u5171\u5f79\u884c\u5217\uff08Adjugate Matrix\uff09\u3092\u4f5c\u6210\u3057\u307e\u3059\u3002\u6700\u5f8c\u306b\u3001\u9006\u884c\u5217\u306f\u9006\u884c\u5217 = (1\/det(A)) * Adjoint(A)\u3068\u3044\u3046\u5f0f\u3067\u6c42\u3081\u3089\u308c\u307e\u3059\u3002<\/p>\n

\u76ee\u6b214<\/h4>\n

\u5177\u4f53\u7684\u306a\u4f8b\u3092\u6319\u3052\u3066\u8003\u3048\u3066\u307f\u307e\u3057\u3087\u3046\u3002\u4f8b\u3048\u3070\u3001\u884c\u5217A = [[2, 3, 1], [1, 5, 4], [3, 1, 2]]\u3068\u3057\u307e\u3059\u3002\u307e\u305a\u3001\u884c\u5217\u5f0fdet(A)\u3092\u8a08\u7b97\u3057\u307e\u3059\u3002\u6b21\u306b\u3001\u5404\u8981\u7d20\u306b\u5bfe\u3059\u308b\u4f59\u56e0\u5b50\u3092\u8a08\u7b97\u3057\u3001\u305d\u308c\u3092\u8ee2\u7f6e\u3057\u3066\u5171\u5f79\u884c\u5217\u3092\u5f62\u6210\u3057\u307e\u3059\u3002\u5168\u3066\u306e\u8a08\u7b97\u304c\u5b8c\u4e86\u3057\u305f\u3089\u3001\u9006\u884c\u5217\u306f\u884c\u5217\u5f0f\u306e\u9006\u6570\u3092\u305d\u306e\u5171\u5f79\u884c\u5217\u3068\u639b\u3051\u5408\u308f\u305b\u308b\u3053\u3068\u3067\u6c42\u3081\u3089\u308c\u307e\u3059\u3002\u5177\u4f53\u7684\u306a\u6570\u5024\u3092\u7528\u3044\u305f\u8a08\u7b97\u904e\u7a0b\u306f\u3001\u5b66\u3076\u4e0a\u3067\u975e\u5e38\u306b\u6709\u52b9\u3067\u3059\u3002<\/p>\n

\u76ee\u6b215<\/h4>\n

\u3053\u306e\u3088\u3046\u306b\u3001matrix find inverse 3×3\u306e\u5b9f\u8df5\u30ac\u30a4\u30c9\u306b\u5f93\u3063\u3066\u30013×3\u884c\u5217\u306e\u9006\u884c\u5217\u3092\u8a08\u7b97\u3059\u308b\u30d7\u30ed\u30bb\u30b9\u306f\u660e\u78ba\u306b\u7406\u89e3\u3067\u304d\u307e\u3059\u3002\u9006\u884c\u5217\u306f\u591a\u304f\u306e\u5206\u91ce\u3067\u5fdc\u7528\u3055\u308c\u3001\u7279\u306b\u7dda\u5f62\u4ee3\u6570\u3084\u7d4c\u6e08\u5b66\u3001\u7269\u7406\u5b66\u3067\u306e\u8a08\u7b97\u306b\u304a\u3044\u3066\u4e0d\u53ef\u6b20\u3067\u3059\u3002\u3053\u306e\u30ac\u30a4\u30c9\u3092\u901a\u3058\u3066\u3001\u9006\u884c\u5217\u306e\u91cd\u8981\u6027\u3084\u8a08\u7b97\u65b9\u6cd5\u3078\u306e\u7406\u89e3\u304c\u6df1\u307e\u308c\u3070\u5e78\u3044\u3067\u3059\u3002\u6570\u5b66\u6559\u80b2\u306b\u304a\u3044\u3066\u3001\u3053\u3046\u3057\u305f\u57fa\u790e\u7684\u306a\u77e5\u8b58\u304c\u5c06\u6765\u7684\u306a\u554f\u984c\u89e3\u6c7a\u80fd\u529b\u306e\u5f37\u5316\u306b\u7e4b\u304c\u308b\u3067\u3057\u3087\u3046\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"

\u30bf\u30a4\u30c8\u30eb\u884c\u5217\u306e\u9006\u884c\u5217\u3092\u6c42\u3081\u308b\u65b9\u6cd5matrix find inverse 3×3\u306e\u5b9f\u8df5\u30ac\u30a4\u30c9<\/p>\n","protected":false},"author":1,"featured_media":1166,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[6],"tags":[7223,6053,2353],"class_list":["post-10819","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-3x3","tag-3x3","tag-6053","tag-2353"],"yoast_head":"\n\u884c\u5217\u306e\u9006\u884c\u5217\u3092\u6c42\u3081\u308b\u65b9\u6cd5matrix find inverse 3x3\u306e\u5b9f\u8df5\u30ac\u30a4\u30c9 - \u6700\u65b0\u30b9\u30dd\u30fc\u30c4\u30cb\u30e5\u30fc\u30b9 -\u30d0\u30b9\u30b1\u30c3\u30c8\u30dc\u30fc\u30eb\u306e\u30cb\u30e5\u30fc\u30b9- \u30b9\u30dd\u30fc\u30c4\u30a4\u30d9\u30f3\u30c8\u30cb\u30e5\u30fc\u30b9\u30b5\u30a4\u30c8-CSPORTS.JP<\/title>\n<meta name=\"description\" content=\"\u30bf\u30a4\u30c8\u30eb\u884c\u5217\u306e\u9006\u884c\u5217\u3092\u6c42\u3081\u308b\u65b9\u6cd5matrix find inverse 3x3\u306e\u5b9f\u8df5\u30ac\u30a4\u30c9\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/lanqiu.aboutphlaw.com\/3x3\/matrix-inverse-3x3-practical-guide\" \/>\n<meta property=\"og:locale\" content=\"ja_JP\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"\u884c\u5217\u306e\u9006\u884c\u5217\u3092\u6c42\u3081\u308b\u65b9\u6cd5matrix find inverse 3x3\u306e\u5b9f\u8df5\u30ac\u30a4\u30c9 - \u6700\u65b0\u30b9\u30dd\u30fc\u30c4\u30cb\u30e5\u30fc\u30b9 -\u30d0\u30b9\u30b1\u30c3\u30c8\u30dc\u30fc\u30eb\u306e\u30cb\u30e5\u30fc\u30b9- \u30b9\u30dd\u30fc\u30c4\u30a4\u30d9\u30f3\u30c8\u30cb\u30e5\u30fc\u30b9\u30b5\u30a4\u30c8-CSPORTS.JP\" \/>\n<meta property=\"og:description\" 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