{"id":1261,"date":"2010-04-27T11:52:19","date_gmt":"2010-04-27T02:52:19","guid":{"rendered":"https:\/\/www.iss.ai\/?p=1261"},"modified":"2010-04-27T11:59:27","modified_gmt":"2010-04-27T02:59:27","slug":"nelder%e3%81%aesimplex%e6%b3%95%e3%81%ae%e3%82%af%e3%83%a9%e3%82%b9%e3%82%92%e6%9b%b8%e3%81%84%e3%81%a6%e3%81%bf%e3%81%9f","status":"publish","type":"post","link":"https:\/\/www.iss.ai\/?p=1261","title":{"rendered":"Nelder\u306eSimplex\u6cd5\u306e\u30af\u30e9\u30b9\u3092\u66f8\u3044\u3066\u307f\u305f"},"content":{"rendered":"\t\t\t\t

\u81ea\u5206\u304c\u76f4\u9762\u3057\u3066\u3044\u308b\u554f\u984c\u306e\u4e2d\u306b\uff0c\u6700\u5c0f\u4e8c\u4e57\u6cd5\u306e\u3088\u3046\u306a\u6700\u9069\u5316\u51e6\u7406\u304c\u542b\u307e\u308c\u3066\u3044\u308b\u5834\u5408\uff0c
\n\t\t\t\t\u305d\u308c\u3092\u89e3\u304f\u305f\u3081\u306e\u591a\u304f\u306e\u771f\u9762\u76ee\u306a(?)\u65b9\u6cd5\u3067\u306f
\n\t\t\t\t\u81ea\u5206\u304c\u6700\u5c0f\u5316\u3057\u305f\u3044\u95a2\u6570\u306eGradient\uff08\u95a2\u6570\u3092\u5404\u30d1\u30e9\u30e1\u30bf\u3067\u504f\u5fae\u5206\u3057\u305f\u3082\u306e\uff09\u3060\u3068\u304b
\n\t\t\t\tHessian\uff08\u305d\u308c\u3089\u3092\u3055\u3089\u306b\u504f\u5fae\u5206\u3057\u305f\u3082\u306e\uff09\u3060\u3068\u304b\u304c\u5fc5\u8981\u306b\u306a\u308b\u306e\u3067\uff0c
\n\t\t\t\t\u305d\u308c\u3089\u306e\u5927\u91cf\u306e\u6570\u5f0f\u3092\u8a08\u7b97\u3059\u308b\u30b3\u30fc\u30c9\u3092\u7528\u610f\u305b\u306d\u3070\u306a\u308a\u307e\u305b\u3093\uff0e
\n\t\t\t\t\u305d\u3046\u3044\u3063\u305f\u90e8\u5206\u306e\u5b9f\u88c5\u306f\u5f8c\u3067\u3061\u3083\u3093\u3068\u3084\u308a\u305f\u3044\u3068\u3044\u3046\u601d\u3044\u306f\u3042\u308b\u306e\u3060\u3051\u308c\u3069\u3082\uff0c
\n\t\t\t\t\u3068\u308a\u3042\u3048\u305a\u307e\u305a\u306f\u7c21\u6613\u7684\u306a\u5b9f\u88c5\u3067\u52d5\u304d\u3092\u898b\u3066\u307f\u305f\u3044\uff0c\u3068\u3044\u3046\u3053\u3068\u304c\u5ea6\u3005\u3042\u308a\u307e\u3059\uff0e<\/p>\n\t\t\t\t

\u305d\u3093\u306a\u3068\u304d\u306b\u4f7f\u3048\u308b\u65b9\u6cd5\u3068\u3057\u3066\u201cNelder\u306e\u6ed1\u964d\u30b7\u30f3\u30d7\u30ec\u30c3\u30af\u30b9\u6cd5(Downhill Simplex Method)\u201d\u304c\u3042\u308a\u307e\u3059\uff0e
\n\t\t\t\t\u3053\u306e\u65b9\u6cd5\u306f\uff0cn\u6b21\u5143\u306e\u30d1\u30e9\u30e1\u30bf\u7a7a\u9593\u306e\u4e2d\u306b(n+1)\u500b\u306e\u9802\u70b9\u3092\u6301\u3064Simplex\u3068\u3088\u3070\u308c\u308b\u591a\u9762\u4f53\u307f\u305f\u3044\u306a\u3082\u306e\u3092\u7528\u610f\u3057\u3066\uff0c\u3053\u308c\u3092\u9802\u70b9\u4f4d\u7f6e\u3092\u5909\u3048\u306a\u304c\u3089\u5909\u5f62\u3055\u305b\u3066\u3044\u304f\u3053\u3068\u3067\u30d1\u30e9\u30e1\u30bf\u5024\u3092\u66f4\u65b0\u3057\u3066\u3044\u304f\uff0c\u3068\u3044\u3046\u63a2\u7d22\u6cd5\u3067\u3059\uff0e
\n\t\t\t\t\u4ed6\u306e\u65b9\u6cd5\u3068\u6bd4\u3079\u3066\u9045\u3044\u3082\u306e\u306e\uff0c
\n\t\t\t\tGradient\u7b49\u3092\u5fc5\u8981\u3068\u3057\u306a\u3044\u306e\u3067\u6bd4\u8f03\u7684\u7c21\u5358\u306b\u8a66\u3057\u3066\u307f\u308b\u3053\u3068\u304c\u3067\u304d\u308b\u306e\u304c\uff08\uff0b\u30a2\u30eb\u30b4\u30ea\u30ba\u30e0\u304c\u76f4\u611f\u7684\u306b\u5206\u304b\u308a\u3084\u3059\u3044\u306e\u3082\uff09\u5229\u70b9\u3067\u3059\uff0e
\n\t\t\t\t\u3067\uff0c\u3053\u306e\u6ed1\u964d\u30b7\u30f3\u30d7\u30ec\u30c3\u30af\u30b9\u6cd5\u3092\u4f7f\u3046\u6a5f\u4f1a\u304c\u7d50\u69cb\u3067\u3066\u304d\u305f\u308a\u3057\u305f\u306e\u3067\uff0c\u57fa\u672c\u52d5\u4f5c\u90e8\u5206\u3092\u30af\u30e9\u30b9\u306b\u307e\u3068\u3081\u3066\u307f\u307e\u3057\u305f\uff0e<\/p>\n\t\t\t\t

\u9069\u5f53\u306b\u52d5\u304b\u3057\u3066\u307f\u305f\u30b5\u30f3\u30d7\u30eb\u306e\u52d5\u4f5c\u304c\u2193\u306e\u30b0\u30e9\u30d5\u3067\u3059\uff0e
\n\t\t\t\tNelder_Simplex<\/a>\uff08\u30af\u30e9\u30b9\u3068\u305d\u308c\u3092\u4f7f\u3046\u9069\u5f53\u306a\u30b5\u30f3\u30d7\u30eb\u306e\u30bd\u30fc\u30b9\u30b3\u30fc\u30c9\uff09<\/p>\n\t\t\t\t

\u30c7\u30fc\u30bf\u70b9\u7fa4\uff08\u9752\uff09\u306b\u5bfe\u3057\u3066sin\u6ce2\u5f62\u306a\u95a2\u6570\u306e\u5f53\u3066\u306f\u3081\u3092\u884c\u3063\u3066\u3044\u307e\u3059\uff0e
\n\t\t\t\t\u8d64\u304c\u3066\u304d\u3068\u30fc\u306b\u4e0e\u3048\u305f\u521d\u671f\u5024\u3067\u306e\u95a2\u6570\u306e\u69d8\u5b50\u3067\u3059\uff0e\uff08\u672c\u5f53\u306f\uff0c\u521d\u671f\u5024\u306f\u3066\u304d\u3068\u30fc\u3067\u306f\u30c0\u30e1\uff0e\uff09
\n\t\t\t\t\u3069\u3046\u898b\u3066\u3082\u30c7\u30fc\u30bf\u70b9\u7fa4\u306b\u5bfe\u3059\u308b\u307e\u3068\u3082\u306a\u521d\u671f\u5024\u3068\u306f\u8a00\u3044\u96e3\u3044\u72b6\u614b\u3067\u3059\u304c\uff0c
\n\t\t\t\t\u8d70\u3089\u305b\u3066\u307f\u308b\u3068\u305d\u3053\u305d\u3053\u9811\u5f35\u3063\u3066\u304f\u308c\u3066\uff0c\u30aa\u30ec\u30f3\u30b8\u8272\u306e\u30b0\u30e9\u30d5\u306e\u3088\u3046\u306b\u306a\u308a\u307e\u3057\u305f\uff0e
\n\t\t\t\t\u3053\u306e\u7d50\u679c\u306f\u521d\u671f\u5024\u3068\u6bd4\u3079\u308b\u3068\u65ad\u7136\u826f\u3044\u3067\u3059\u304c\uff0c\u3082\u3046\u5c11\u3057\u9811\u5f35\u308c\u305d\u3046\u306a\u306e\u306b\u9014\u4e2d\u3067\u529b\u5c3d\u304d\u305f\u611f\u304c\u3042\u308a\u307e\u3059\uff0e
\n\t\t\t\t\u305d\u3053\u3067\uff0c\u6ed1\u964dSimplex\u6cd5\u3067\u306e\u63a2\u7d22\u3092\uff0c\u3053\u306e\u7d50\u679c\u3092\u65b0\u305f\u306a\u521d\u671f\u5024\u3068\u3057\u3066\u518d\u51fa\u767a\u3055\u305b\u3066\u307f\u308b\u3068\uff0c
\n\t\t\t\t\u4eca\u5ea6\u306f\u7dd1\u8272\u306e\u30b0\u30e9\u30d5\u306e\u7d50\u679c\u306b\u53ce\u675f\u3057\u307e\u3057\u305f\uff0e<\/p>\n\t\t\t\t

\u3053\u306e\u3088\u3046\u306b\uff0c\u6ed1\u964dSimplex\u6cd5\uff08\u306b\u9650\u3089\u305a\u3060\u3068\u601d\u3044\u307e\u3059\u304c\uff09\u3067\u306f\u63a2\u7d22\u9014\u4e2d\u3067\u52d5\u3051\u306a\u304f\u306a\u3063\u3066\u3057\u307e\u3046\u5834\u5408\u304c\u3042\u308b\u305f\u3081\uff0c
\n\t\t\t\t\u6b62\u307e\u3063\u305f\u5730\u70b9\u3067Simplex\u3092\u518d\u69cb\u7bc9\u3057\u3066\u518d\u51fa\u767a\u3055\u305b\u3066\u307f\u308b\u5fc5\u8981\u304c\u3042\u308a\u307e\u3059\uff0e<\/p>\n\t\t\t\t

\u30d1\u30e9\u30e1\u30bf\u500b\u6570\u304c\u5c11\u306a\u304f\u3066\u8a08\u7b97\u6642\u9593\u304c\u3042\u307e\u308a\u554f\u984c\u306b\u306a\u3089\u306a\u3044\u5834\u5408\u3084\uff0c\u4ed6\u306e\u89e3\u304d\u65b9\u304c\u3042\u308b\u306e\u3060\u3051\u308c\u3069\u3082\u305d\u306e\u5b9f\u88c5\u3092\u7528\u610f\u3059\u308b\u306e\u304c\u3081\u3093\u3069\u304f\u3055\u3044\uff0c\u3068\u304b\u3044\u3046\u5834\u9762\u3067\u306f\u7d50\u69cb\u4f7f\u3048\u308b\u3068\u601d\u3044\u307e\u3059\uff0e<\/p>\n\t\t\t\t

\"y<\/a>

y = A*sin(B*x+C)+D \u306e\u5f53\u3066\u306f\u3081<\/p><\/div>\n\t\t\t\t

by nakiusagi3<\/p>\n","protected":false},"excerpt":{"rendered":"

\u81ea\u5206\u304c\u76f4\u9762\u3057\u3066\u3044\u308b\u554f\u984c\u306e\u4e2d\u306b\uff0c\u6700\u5c0f\u4e8c\u4e57\u6cd5\u306e\u3088\u3046\u306a\u6700\u9069\u5316\u51e6\u7406\u304c\u542b\u307e\u308c\u3066\u3044\u308b\u5834\u5408\uff0c \u305d\u308c\u3092\u89e3\u304f\u305f\u3081\u306e\u591a\u304f\u306e\u771f\u9762\u76ee\u306a(?)\u65b9\u6cd5\u3067\u306f \u81ea\u5206\u304c\u6700\u5c0f\u5316\u3057\u305f\u3044\u95a2\u6570\u306eGradient\uff08\u95a2\u6570\u3092\u5404\u30d1\u30e9\u30e1\u30bf\u3067\u504f\u5fae\u5206\u3057\u305f\u3082\u306e\uff09\u3060\u3068\u304b Hessi […]<\/p>\n","protected":false},"author":3,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[5,3],"tags":[],"class_list":["post-1261","post","type-post","status-publish","format-standard","hentry","category-soft","category-tech"],"_links":{"self":[{"href":"https:\/\/www.iss.ai\/index.php?rest_route=\/wp\/v2\/posts\/1261","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.iss.ai\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.iss.ai\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.iss.ai\/index.php?rest_route=\/wp\/v2\/users\/3"}],"replies":[{"embeddable":true,"href":"https:\/\/www.iss.ai\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=1261"}],"version-history":[{"count":12,"href":"https:\/\/www.iss.ai\/index.php?rest_route=\/wp\/v2\/posts\/1261\/revisions"}],"predecessor-version":[{"id":1275,"href":"https:\/\/www.iss.ai\/index.php?rest_route=\/wp\/v2\/posts\/1261\/revisions\/1275"}],"wp:attachment":[{"href":"https:\/\/www.iss.ai\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=1261"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.iss.ai\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=1261"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.iss.ai\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=1261"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}