{"id":17958,"date":"2016-10-22T23:25:19","date_gmt":"2016-10-22T14:25:19","guid":{"rendered":"http:\/\/yukisako.xsrv.jp\/entry\/laplace"},"modified":"2016-10-22T23:25:19","modified_gmt":"2016-10-22T14:25:19","slug":"laplace","status":"publish","type":"post","link":"https:\/\/skill-hacks.co.jp\/media\/laplace\/","title":{"rendered":"\u30e9\u30d7\u30e9\u30b9\u5909\u63db\u3092\u5b87\u5b99\u4e00\u308f\u304b\u308a\u3084\u3059\u304f\u89e3\u8aac\u3057\u3066\u307f\u308b"},"content":{"rendered":"<p><!-- [mathjax] --><\/p>\n<p>\u7406\u5de5\u7cfb\u306e\u5b66\u90e8\u306b\u9032\u3081\u3070\uff0c\u96fb\u6c17\u56de\u8def\u3084\u3089\u5236\u5fa1\u5de5\u5b66\u3084\u3089\u3044\u308d\u3044\u308d\u306a\u3068\u3053\u308d\u3067\u51fa\u3066\u304f\u308b\u30e9\u30d7\u30e9\u30b9\u5909\u63db\uff0e<\/p>\n<p>\u79c1\u306e\u6240\u5c5e\u3059\u308b\u30ed\u30dc\u30c6\u30a3\u30af\u30b9\u5b66\u79d1\u3067\u306f2\u56de\u751f\u524d\u671f\u306e\u5fae\u5206\u65b9\u7a0b\u5f0f\u306e\u6388\u696d\u3067\u51fa\u3066\u304d\u307e\u3057\u305f<\/p>\n<p>\u308f\u304b\u3063\u3066\u3057\u307e\u3048\u3070\u30b7\u30f3\u30d7\u30eb\u306a\u6982\u5ff5\u306a\u306e\u306b\uff0c\u610f\u5916\u3068\u308f\u304b\u3063\u3066\u3044\u306a\u3044\u4eba\u304c\u591a\u3044\u306e\u3082\u4e8b\u5b9f\u306a\u3093\u3067\u3059\u3088\uff0e<\/p>\n<p>\u305d\u3093\u306a\u4eba\u305f\u3061\u306e\u305f\u3081\u306b\uff0c\u4e00\u65e6\u307e\u3068\u3081\u3066\u307f\u305f\u3044\u3068\u601d\u3044\u307e\u3059\uff01<\/p>\n<p><!--more--><\/p>\n<h2 id=\"\u30e9\u30d7\u30e9\u30b9\u5909\u63db\u3063\u3066\u4f55\">\u30e9\u30d7\u30e9\u30b9\u5909\u63db\u3063\u3066\u4f55\uff1f<\/h2>\n<p>\u3068\u3066\u3082\u7c21\u5358\u306b\u8aac\u660e\u3059\u308b\u3068\uff0c\u6642\u9593\\(t\\)\u306e\u95a2\u6570\u3068\u8907\u7d20\u6570\\(s\\)\u3092\u884c\u304d\u6765\u3059\u308b\u305f\u3081\u306e\u5909\u63db\u3067\u3059\uff0e<\/p>\n<p><img decoding=\"async\" class=\"hatena-fotolife\" title=\"f:id:McG:20170509102724p:plain\" src=\"https:\/\/cdn-ak.f.st-hatena.com\/images\/fotolife\/M\/McG\/20170509\/20170509102724.png\" alt=\"\u30e9\u30d7\u30e9\u30b9\u5909\u63db\u306e\u6982\u5ff5\u56f3\"><\/p>\n<p>\u79c1\u9054\u304c\u5b9f\u969b\u306b\u751f\u304d\u3066\u3044\u308b\u3053\u306e\u4e16\u754c\u306f\uff0c\u6642\u9593\u306e\u7d4c\u904e\u306b\u3088\u3063\u3066\u69d8\u3005\u306a\u3082\u306e\u304c\u5909\u5316\u3059\u308b\u305f\u3081\uff0c\u6642\u9593\u306e\u95a2\u6570\u3068\u306a\u3063\u3066\u8868\u73fe\u3067\u304d\u308b\u3082\u306e\u304c\u591a\u3044\u308f\u3051\u3067\u3059\uff0e<\/p>\n<p>\u69d8\u3005\u306a\u5fae\u5206\u65b9\u7a0b\u5f0f\u306a\u3069\u3092\u89e3\u3053\u3046\u3068\u3059\u308b\u3068\uff0c\u51e6\u7406\u304c\u3081\u3093\u3069\u3046\u306a\u6570\u5f0f\u304c\u73fe\u308c\u307e\u3059\uff0e<\/p>\n<p>\u51e6\u7406\u304c\u3081\u3093\u3069\u3046\u306a\u3089\u3070\uff0c\u305d\u308c\u3092\u7c21\u5358\u306b\u51e6\u7406\u3067\u304d\u308b\u5f62\u306b\u5909\u5f62\u3067\u304d\u308c\u3070\u3088\u3044\u306e\u3067\u306f\u306a\u3044\u304b\u3068\u8003\u3048\u305f\u65b9\u304c\u3044\u307e\u3057\u305f\uff0e<\/p>\n<p>\u3064\u307e\u308a\uff0c\u6642\u9593<strong>\\(t\\)\u306e\u95a2\u6570\u306e\u307e\u307e\u8a08\u7b97\u3059\u308b\u3068\u3068\u3066\u3082\u8907\u96d1\u306b\u306a\u308b\u305f\u3081\uff0c\u305d\u308c\u3092\u30e9\u30d7\u30e9\u30b9\u5909\u63db\u3068\u3044\u3046\u5909\u63db\u3092\u7528\u3044\u3066\u8907\u7d20\u6570\\(s\\)\u306e\u95a2\u6570\u3067\u8868\u3059\u3053\u3068\u306b\u3088\u3063\u3066\u8a08\u7b97\u3092\u7c21\u5358\u306b\u3057\u3066\u3044\u308b<\/strong>\u3068\u3044\u3046\u308f\u3051\u3067\u3059\uff0e<\/p>\n<p>\u305d\u306e\u5909\u63db\u304c\u30e9\u30d7\u30e9\u30b9\u5909\u63db\u3068\u3044\u3046\u3053\u3068\uff0e<\/p>\n<h2 id=\"\u30e9\u30d7\u30e9\u30b9\u5909\u63db\u306e\u8a08\u7b97\">\u30e9\u30d7\u30e9\u30b9\u5909\u63db\u306e\u8a08\u7b97<\/h2>\n<p>\u305d\u308c\u3067\u306f\uff0c\u30e9\u30d7\u30e9\u30b9\u5909\u63db\u3092\u3059\u308b\u3053\u3068\u306b\u3088\u3063\u3066\u3069\u308c\u3060\u3051\u8a08\u7b97\u304c\u7c21\u5358\u306b\u306a\u308b\u306e\u304b\u3092\u898b\u3066\u5b9f\u611f\u3057\u3066\u307f\u307e\u3057\u3087\u3046\u2026<\/p>\n<p>\u3068\u8a00\u3044\u305f\u3044\u3068\u3053\u308d\u3067\u3059\u304c\uff0c\u307e\u305a\u306f\u30e9\u30d7\u30e9\u30b9\u5909\u63db\u304c\u3069\u306e\u3088\u3046\u306a\u3082\u306e\u304b\u3092\u5c11\u3057\u3060\u3051\u77e5\u3063\u3066\u304a\u304f\u5fc5\u8981\u304c\u3042\u308a\u307e\u3059\uff0e<\/p>\n<p>\u30e9\u30d7\u30e9\u30b9\u5909\u63db\u306f\u898b\u305f\u76ee\u306f\u5c11\u3057\u8907\u96d1\u306a\u5f62\u3092\u3057\u3066\u3044\u307e\u3059\uff0e<\/p>\n<p>\u5148\u7a0b\uff0c\u30e9\u30d7\u30e9\u30b9\u5909\u63db\u306f\\(t\\)\u306e\u95a2\u6570\u3092\\(s\\)\u306e\u95a2\u6570\u3067\u8868\u3059\u3068\u8a00\u3044\u307e\u3057\u305f\uff0e<\/p>\n<p>\u305d\u3053\u3067\uff0c\u5909\u63db\u3059\u308b\u524d\u306e\u95a2\u6570\u3092\\(f(t)\\)\uff0c\u5909\u63db\u5f8c\u306e\u95a2\u6570\u3092\\(F(s)\\)\u3068\u3057\u307e\u3059\uff0e<\/p>\n<p>\u3059\u308b\u3068\uff0c\\(F(s)\\)\u306f\u4ee5\u4e0b\u306e\u3088\u3046\u306b\u306a\u308a\u307e\u3059\uff0e<\/p>\n<p><img decoding=\"async\" class=\"hatena-fotolife\" title=\"f:id:McG:20170509102757p:plain\" src=\"https:\/\/cdn-ak.f.st-hatena.com\/images\/fotolife\/M\/McG\/20170509\/20170509102757.png\" alt=\"\u30e9\u30d7\u30e9\u30b9\u5909\u63db\u306e\u516c\u5f0f\"><\/p>\n<p>\u5c11\u3057\u3060\u3051\u96e3\u3057\u305d\u3046\u306b\u898b\u3048\u307e\u3059\u304c\uff0c\u305d\u3093\u306a\u3053\u3068\u306f\u3042\u308a\u307e\u305b\u3093\uff0e<\/p>\n<p><strong>\\(f(t)\\)\u306b\\(e^{-st}\\)\u3092\u304b\u3051\u3066\u3042\u3052\u3066\uff0c0\u301c\u221e\u3067t\u306b\u3064\u3044\u3066\u7a4d\u5206<\/strong>\u3057\u305f\u3089\u7d42\u308f\u308a\u3067\u3059\uff0e<\/p>\n<p><img decoding=\"async\" class=\"hatena-fotolife\" title=\"f:id:McG:20170509102838p:plain\" src=\"https:\/\/cdn-ak.f.st-hatena.com\/images\/fotolife\/M\/McG\/20170509\/20170509102838.png\" alt=\"\u30e9\u30d7\u30e9\u30b9\u5909\u63db\u306e\u65e5\u672c\u8a9e\u8868\u73fe\"><\/p>\n<h2 id=\"\u5177\u4f53\u4f8b\">\u5177\u4f53\u4f8b<\/h2>\n<p>\u305d\u308c\u3067\u306f\uff0c\u5177\u4f53\u4f8b\u3092\u898b\u3066\u3044\u304d\u307e\u3057\u3087\u3046\uff0e<\/p>\n<p>\u5b9f\u969b\u306b\uff0c\\(f(t)=1\\)\u3063\u3066\u3044\u3046\u95a2\u6570\u3092\u30e9\u30d7\u30e9\u30b9\u5909\u63db\u3057\u3066\u307f\u307e\u3057\u3087\u3046\uff0e<\/p>\n<p>\u3067\u306f\u3053\u308c\u3092\u30e9\u30d7\u30e9\u30b9\u5909\u63db\u3059\u308b\u3068\u304d\u306f\uff0c\u4e0a\u3067\u8a00\u3063\u305f\u3088\u3046\u306b\uff0c<strong>\\(f(t)\\)\u306b\\(e^{-st}\\)\u3092\u304b\u3051\u3066\u3042\u3052\u3066\uff0c0\u301c\u221e\u3067t\u306b\u3064\u3044\u3066\u7a4d\u5206\u3057\u305f\u3089\u7d42\u308f\u308a<\/strong>\u3067\u3059\u306d\uff0e<\/p>\n<p>\u3055\u3041\u3084\u3063\u3066\u307f\u307e\u3057\u3087\u3046\uff0e<\/p>\n<p><strong>\\(f(t)\\)\u304c\u4eca\u56de1\u306a\u306e\u3067\uff0c\\(f(t)\\)\u306b\\(e^{-st}\\)\u3092\u304b\u3051\u3066\u3082\uff0c\\(e^{-st}\\)\u306e\u307e\u307e\u3067\u3059\u306d\uff0e\uff0e<\/strong><\/p>\n<p>\u305d\u308c\u30920\u301c\u221e\u3067t\u306b\u3064\u3044\u3066\u7a4d\u5206\u3059\u308b\u3068\u3044\u3044\u3060\u3051\u306a\u306e\u3067\uff0c\u30e9\u30d7\u30e9\u30b9\u5909\u63db\u5f8c\u306e\\(F(s)\\)\u306f\u2026<\/p>\n<p><img decoding=\"async\" src=\"http:\/\/chart.apis.google.com\/chart?cht=tx&amp;chl=%20F%28s%29%20%3D%20%5Cint_0%5E%7B%5Cinfty%7D%20f%28t%29%20e%5E%7B-st%7D%20dt%20\" alt=\" F(s) = \\int_0^{\\infty} f(t) e^{-st} dt \"><\/p>\n<p><img decoding=\"async\" src=\"http:\/\/chart.apis.google.com\/chart?cht=tx&amp;chl=%20%3D%20%5Cint_0%5E%7B%5Cinfty%7D%201%20%5Ctimes%20e%5E%7B-st%7D%20dt\" alt=\" = \\int_0^{\\infty} 1 \\times e^{-st} dt\"><\/p>\n<p><img decoding=\"async\" src=\"http:\/\/chart.apis.google.com\/chart?cht=tx&amp;chl=%20%3D%20%5Cint_0%5E%7B%5Cinfty%7D%20e%5E%7B-st%7D%20dt\" alt=\" = \\int_0^{\\infty} e^{-st} dt\"><\/p>\n<p><img decoding=\"async\" src=\"http:\/\/chart.apis.google.com\/chart?cht=tx&amp;chl=%20%20%3D%20%5Cfrac%7B1%7D%7Bs%7D%20\" alt=\" = \\frac{1}{s} \"><\/p>\n<p>\u3053\u306e\u3088\u3046\u306b\u306a\u308a\u307e\u3059\uff0e<\/p>\n<p><img decoding=\"async\" class=\"hatena-fotolife\" title=\"f:id:McG:20170509103557p:plain\" src=\"https:\/\/cdn-ak.f.st-hatena.com\/images\/fotolife\/M\/McG\/20170509\/20170509103557.png\" alt=\"1\u3092\u30e9\u30d7\u30e9\u30b9\u5909\u63db\u3059\u308b\u30681\/s\u306b\u306a\u308b\u3053\u3068\u306e\u78ba\u8a8d\u56f3\"><\/p>\n<p>\u306a\u308b\u307b\u3069\uff0c\u3064\u307e\u308a1\u3092\u30e9\u30d7\u30e9\u30b9\u5909\u63db\u3059\u308b\u3068\\(\\frac{1}{s}\\)\u306b\u306a\u308b\u308f\u3051\u3067\u3059\u306d\uff0e<\/p>\n<p>\u8a08\u7b97\u81ea\u4f53\u306f\u305d\u3053\u307e\u3067\u96e3\u3057\u3044\u3082\u306e\u3067\u306f\u306a\u3044\u3053\u3068\u304c\u308f\u304b\u3063\u305f\u3068\u601d\u3044\u307e\u3059\uff0e<\/p>\n<p>\u3053\u3053\u307e\u3067\u304d\u3066\u6d6e\u304b\u3093\u3067\u304f\u308b\u7591\u554f\u304c\u2026 \u300c\u3067\uff0c\u306a\u3093\u3067\u30e9\u30d7\u30e9\u30b9\u5909\u63db\u3059\u308b\u3068\u5b09\u3057\u3044\u306e\uff1f\u300d<\/p>\n<p>\u305d\u308c\u3092\u6b21\u3067\u89e3\u8aac\u3057\u3066\u307f\u307e\u3059\uff0e<\/p>\n<h2 id=\"\u30e9\u30d7\u30e9\u30b9\u5909\u63db\u3067\u304d\u308b\u3068\u5b09\u3057\u3044\u3053\u3068\">\u30e9\u30d7\u30e9\u30b9\u5909\u63db\u3067\u304d\u308b\u3068\u5b09\u3057\u3044\u3053\u3068<\/h2>\n<p>\u3046\u3061\u306e\u5927\u5b66\u6559\u6388\u304c\u8a00\u3063\u3066\u307e\u3057\u305f\uff0e<\/p>\n<div class=\"say left\">\n<p class=\"faceicon\"><img decoding=\"async\" src=\"https:\/\/cdn-ak.f.st-hatena.com\/images\/fotolife\/M\/McG\/20180614\/20180614112223.png\" width=\"110\"><span>\u6559\u6388<\/span><\/p>\n<div class=\"chatting\">\n<div class=\"sc\">\n\u4fbf\u5229\u3055\u304c\u308f\u304b\u3089\u306a\u3044\u306e\u306f\u77e5\u3089\u306a\u3044\u304b\u3089\u3060<br \/>\n\u3064\u3079\u3053\u3079\u8a00\u308f\u305a\u306b\u3084\u308a\u306a\u3055\u3044\n<\/div>\n<\/div><\/div>\n<p>\u305d\u3093\u306a\u3053\u3068\u8a00\u308f\u308c\u3066\u3082\u30e9\u30d7\u30e9\u30b9\u5909\u63db\u3092\u3057\u3066\u4f55\u304c\u5b09\u3057\u3044\u306e\u304b\u308f\u304b\u3089\u306a\u304b\u3063\u305f\u3089\u3069\u3046\u306b\u3082\u2026<\/p>\n<p>\u3068\u308a\u3042\u3048\u305a\u3067\u3082\u307e\u3041\u3082\u3046\u4e00\u3064\u304f\u3089\u3044\u4f8b\u3092\u51fa\u3057\u3066\u307f\u307e\u3057\u3087\u3046\uff0e<\/p>\n<p>\u3067\u306f\u6b21\u306b\uff0c\\(f(t)=t\\)\u3063\u3066\u3044\u3046\u95a2\u6570\u3092\u30e9\u30d7\u30e9\u30b9\u5909\u63db\u3057\u3066\u307f\u307e\u3059\uff0e<\/p>\n<p>\u5148\u7a0b\u3068\u540c\u3058\u304f\uff0c\u300c\\(f(t)\\)\u306b\\(e^{-st}\\)\u3092\u304b\u3051\u3066\u3042\u3052\u3066\uff0c0\u301c\u221e\u3067t\u306b\u3064\u3044\u3066\u7a4d\u5206\u3057\u305f\u3089\u7d42\u308f\u308a\u300d\u3092\u7d20\u76f4\u306b\u3084\u3063\u3066\u3042\u3052\u307e\u3057\u3087\u3046\uff0e<\/p>\n<p><img decoding=\"async\" src=\"http:\/\/chart.apis.google.com\/chart?cht=tx&amp;chl=%20F%28s%29%20%3D%20%5Cint_0%5E%7B%5Cinfty%7D%20f%28t%29%20e%5E%7B-st%7D%20dt%20\" alt=\" F(s) = \\int_0^{\\infty} f(t) e^{-st} dt \"><\/p>\n<p><img decoding=\"async\" src=\"http:\/\/chart.apis.google.com\/chart?cht=tx&amp;chl=%20%3D%20%5Cint_0%5E%7B%5Cinfty%7D%20t%20%5Ctimes%20e%5E%7B-st%7D%20dt%20\" alt=\" = \\int_0^{\\infty} t \\times e^{-st} dt \"><\/p>\n<p><img decoding=\"async\" src=\"http:\/\/chart.apis.google.com\/chart?cht=tx&amp;chl=%20%3D%20%5Cfrac%7B1%7D%7B%5Cmathrm%7Bs%7D%5E%7B2%7D%7D\" alt=\" = \\frac{1}{\\mathrm{s}^{2}}\"><\/p>\n<p>\u3053\u3053\u3067\u51fa\u3066\u304d\u305f\u3053\u306e\u7a4d\u5206\uff0c\\(\\int_0^{\\infty} t \\times e^{-st} dt\\) \u5927\u4e08\u592b\u3067\u3057\u3087\u3046\u304b\uff1f<\/p>\n<p>\u9ad8\u6821\u3067\u7fd2\u3063\u305f\u90e8\u5206\u7a4d\u5206\u3092\u4f7f\u3048\u3070\u89e3\u3051\u307e\u3059\u306e\u3067\uff0c\u5c11\u3057\u3067\u3082\u300c\u3042\u308c\uff1f\u300d\u3063\u3066\u306a\u3063\u305f\u65b9\u306f\u8abf\u3079\u3066\u307f\u3066\u304f\u3060\u3055\u3044\uff0e<\/p>\n<p><img decoding=\"async\" class=\"hatena-fotolife\" title=\"f:id:McG:20170509103845p:plain\" src=\"https:\/\/cdn-ak.f.st-hatena.com\/images\/fotolife\/M\/McG\/20170509\/20170509103845.png\" alt=\"t\u3092\u30e9\u30d7\u30e9\u30b9\u5909\u63db\u3059\u308b\u969b\u306e\u8a08\u7b97\u904e\u7a0b\"><\/p>\n<p>\u3064\u307e\u308a\uff0c\\(f(t)=t\\)\u3092\u30e9\u30d7\u30e9\u30b9\u5909\u63db\u3059\u308c\u3070\\(F(s)=\\frac{1}{s^2}\\)\u306b\u306a\u308b\u308f\u3051\u3067\u3059\uff0e<\/p>\n<p>\u306a\u308b\u307b\u3069\u2026\uff1f<\/p>\n<p>\u5c11\u3057\u6574\u7406\u3057\u3066\u307f\u307e\u3057\u3087\u3046<\/p>\n<p><img decoding=\"async\" class=\"hatena-fotolife\" title=\"f:id:McG:20170509103914p:plain\" src=\"https:\/\/cdn-ak.f.st-hatena.com\/images\/fotolife\/M\/McG\/20170509\/20170509103914.png\" alt=\"\u30e9\u30d7\u30e9\u30b9\u5909\u63db\u3092\u3057\u305f\u3042\u3068\u306e1\u3068t\u306e\u6bd4\u8f03\"><\/p>\n<p>\u307b\u304a\u307b\u304a\uff1f \u3053\u3053\u3067\u51fa\u3066\u304d\u305f1\u3068t\u3063\u3066\u3044\u3046\u3082\u306e\u306f\uff0c\u5fae\u5206\u7a4d\u5206\u306e\u95a2\u4fc2\u306b\u3042\u308a\u307e\u3059\u3088\u306d\uff0e<br \/>\n<img decoding=\"async\" class=\"hatena-fotolife\" title=\"f:id:McG:20170509103943p:plain\" src=\"https:\/\/cdn-ak.f.st-hatena.com\/images\/fotolife\/M\/McG\/20170509\/20170509103943.png\" alt=\"\u30e9\u30d7\u30e9\u30b9\u5909\u63db\u524d\u306e1\u3068t\u306e\u95a2\u4fc2\u3092\u6574\u7406\"><\/p>\n<p>\u307e\u305f\uff0c\u5909\u63db\u3055\u308c\u305f\uff0cs\u306e\u95a2\u6570\u306f\u304a\u4e92\u3044\u306b\u3053\u306e\u3088\u3046\u306a\u95a2\u4fc2\u306b\u306a\u3063\u3066\u3044\u307e\u3059\uff0e<\/p>\n<p><img decoding=\"async\" class=\"hatena-fotolife\" title=\"f:id:McG:20170509104247p:plain\" src=\"https:\/\/cdn-ak.f.st-hatena.com\/images\/fotolife\/M\/McG\/20170509\/20170509104247.png\" alt=\"\u30e9\u30d7\u30e9\u30b9\u5909\u63db\u5f8c\u306e\u95a2\u6570\u306e\u95a2\u4fc2\u3092\u6574\u7406\"><\/p>\n<p>\u307f\u3048\u3066\u304d\u307e\u3057\u305f\u304b\uff1f<\/p>\n<p><strong>\\(t\\)\u3092\u5909\u6570\u3068\u3057\u3066\u4f7f\u3063\u3066\u3044\u305f\u4e16\u754c\u3067\u306f\u7a4d\u5206\u3068\u3057\u3066\u6271\u308f\u308c\u3066\u3044\u305f\u3082\u306e\u304c\uff0c\\(s\\)\u306e\u4e16\u754c\u3067\u306f\u5272\u308a\u7b97\u3068\u3057\u3066\u6271\u3046\u3053\u3068\u304c\u3067\u304d\u307e\u3059<\/strong><\/p>\n<p>\u305d\u3057\u3066\uff0c<strong>\\(t\\)\u3092\u5909\u6570\u3068\u3057\u3066\u4f7f\u3063\u3066\u3044\u305f\u4e16\u754c\u3067\u306f\u5fae\u5206\u3068\u3057\u3066\u6271\u308f\u308c\u3066\u3044\u305f\u3082\u306e\u304c\uff0c\\(s\\)\u306e\u4e16\u754c\u3067\u306f\u639b\u3051\u7b97\u3068\u3057\u3066\u6271\u3046\u3053\u3068\u304c\u51fa\u6765\u305f<\/strong>\u3068\u3044\u3046\u308f\u3051\u3067\u3059\uff0e<\/p>\n<p>\u8a08\u7b97\u306e\u624b\u9593\u306f\u5727\u5012\u7684\u306b\u6e1b\u308b\u306e\u3067\u306f\u306a\u3044\u3067\u3057\u3087\u3046\u304b\uff1f<\/p>\n<p>\u3064\u307e\u308a\uff0c\\(t\\)\u306e\u95a2\u6570\u3067\u306f\u5fae\u5206\u3084\u7a4d\u5206\u304c\u3068\u3066\u3082\u3081\u3093\u3069\u304f\u3055\u304b\u3063\u305f\u3082\u306e\u306a\u3069\u3092\uff0c\\(t\\)\u306e\u95a2\u6570\u3092\u30e9\u30d7\u30e9\u30b9\u5909\u63db\u3057\uff0c\u5f97\u305f\\(s\\)\u306e\u95a2\u6570\u3092\u639b\u3051\u7b97\u3084\u5272\u308a\u7b97\u3067\u7c21\u5358\u306b\u8a08\u7b97\u3057\uff0c\u30e9\u30d7\u30e9\u30b9\u9006\u5909\u63db\u3092\u3059\u308b\u3053\u3068\u306b\u3088\u3063\u3066\\(t\\)\u306e\u95a2\u6570\u306b\u623b\u305b\u3070\uff0c\u624b\u6570\u306f\u5897\u3048\u307e\u3059\u304c\u8a08\u7b97\u306e\u624b\u9593\u81ea\u4f53\u306f\u6e1b\u308b\u3068\u3044\u3046\u3053\u3068\u3067\u3059\u306d\uff0e<\/p>\n<p><img decoding=\"async\" class=\"hatena-fotolife\" title=\"f:id:McG:20170509112017p:plain\" src=\"https:\/\/cdn-ak.f.st-hatena.com\/images\/fotolife\/M\/McG\/20170509\/20170509112017.png\" alt=\"\u30e9\u30d7\u30e9\u30b9\u5909\u63db\u306e\u524d\u5f8c\u6bd4\u8f03\u306e\u307e\u3068\u3081\u753b\u50cf\"><\/p>\n<p>\u306a\u3093\u3068\uff0c2\u968e\u5fae\u5206\u3092\\(s\\)\u30922\u56de\u304b\u3051\u308b\u3060\u3051\uff0c3\u968e\u5fae\u5206\u3092\\(s\\)\u30923\u56de\u304b\u3051\u308b\u3060\u3051\u3068\u3044\u3046\u3088\u3046\u306b\u5fae\u5206\u304c\u639b\u3051\u7b97\u3067\u7c21\u5358\u306b\u8a08\u7b97\u3067\u304d\u308b\u308f\u3051\u3067\u3059\uff0e<\/p>\n<h2 id=\"\u3061\u3083\u3093\u3068\u3057\u305f\u8a3c\u660e\">\u3061\u3083\u3093\u3068\u3057\u305f\u8a3c\u660e<\/h2>\n<p>\u3067\u306f\u672c\u5f53\u306b\u5fae\u5206\u304c\u639b\u3051\u7b97\u306b\u306a\u308b\u306e\u304b\u3092\u8a08\u7b97\u3057\u3066\u307f\u307e\u3057\u3087\u3046\uff0e<\/p>\n<p>\\(f(t)\\)\u3068\u3044\u3046\u95a2\u6570\u306b\u3064\u3044\u3066\u8003\u3048\u3066\u307f\u307e\u3057\u3087\u3046\uff0e\u3053\u306e\\(f(t)\\)\u3092\u5fae\u5206\u3059\u308b\u3068\uff0c\u5f53\u305f\u308a\u524d\u3067\u3059\u304c\\(f'(t)\\)\u306b\u306a\u308a\u307e\u3059\u306d\uff0e<\/p>\n<p><strong>\u3067\u306f\u3053\u306e\\(f'(t)\\)\u3092\u5b9f\u969b\u306b\u30e9\u30d7\u30e9\u30b9\u5909\u63db\u3057\u3066\u307f\u3066\uff0c\\(f'(t)\\)\u3068\u3044\u3046\u5fae\u5206\u306e\u5f62\u304c\u306a\u304f\u306a\u3063\u3066\uff0c\\(s \\cdot F(s)\\)\u3068\u3044\u3046\u5f62\u304c\u51fa\u3066\u304d\u3066\u304f\u308c\u305f\u3089\uff0c\u300c\u5fae\u5206\u3092\u639b\u3051\u7b97\u306e\u5f62\u306b\u76f4\u305b\u308b\u300d\u3068\u3044\u3046\u4e0a\u8a18\u306e\u4eee\u8aac\u304c\u6b63\u3057\u3044\u3068\u3044\u3048\u307e\u3059\u306d<\/strong><\/p>\n<p>\u3067\u306f\u3084\u3063\u3066\u307f\u307e\u3057\u3087\u3046\uff0e<\/p>\n<p>\u30e9\u30d7\u30e9\u30b9\u5909\u63db\u306e\u65b9\u6cd5\u306f\u2026 \u305d\u3046\u3067\u3059\uff0c\u5148\u7a0b\u304b\u3089\u4f55\u5ea6\u3082\u3084\u3063\u3066\u3044\u308b\u3088\u3046\u306b<strong>\u300c\u30e9\u30d7\u30e9\u30b9\u5909\u63db\u3057\u305f\u3044\u95a2\u6570\u306b\\(e^{-st}\\)\u3092\u304b\u3051\u3066\u3042\u3052\u3066\uff0c0\u301c\u221e\u3067t\u306b\u3064\u3044\u3066\u7a4d\u5206\u300d<\/strong>\u3092\u884c\u3044\u307e\u3059\uff0e<\/p>\n<p>\u307e\u305a\uff0c\u4eca\u56de\u30e9\u30d7\u30e9\u30b9\u5909\u63db\u3057\u305f\u3044\u95a2\u6570\u306f\\(f'(t)\\)\u306a\u306e\u3067\uff0c\u307e\u305a\u306f\u305d\u308c\u306b\\(e^{-st}\\)\u3092\u304b\u3051\u307e\u3059\uff0e<\/p>\n<p>\u3059\u308b\u3068\uff0c\\(f'(t)e^{-st}\\)\u3068\u306a\u308a\u307e\u3059\uff0e<\/p>\n<p>\u3042\u3068\u306f\u3053\u308c\u3092\u90e8\u5206\u7a4d\u5206\u3092\u4f7f\u3063\u3066\u7a4d\u5206\u3057\u3066\u3044\u304d\u307e\u3057\u3087\u3046\uff0e<\/p>\n<p><img decoding=\"async\" class=\"hatena-fotolife\" title=\"f:id:McG:20170509111926p:plain\" src=\"https:\/\/cdn-ak.f.st-hatena.com\/images\/fotolife\/M\/McG\/20170509\/20170509111926.png\" alt=\"\u30e9\u30d7\u30e9\u30b9\u5909\u63db\u306e\u5fae\u5206\u6cd5\u5247\u306e\u8a08\u7b97\u904e\u7a0b\u307e\u3068\u3081\"><\/p>\n<p>\u306a\u3093\u3068\uff0c\u5fae\u5206\u304c\u5f0f\u4e2d\u304b\u3089\u6d88\u3048\u3066<strong>\\(s \\cdot F(s)\\)\u3068\u3044\u3046\u639b\u3051\u7b97\u306e\u5f62\u304c\u51fa\u73fe\u3057\u307e\u3057\u305f\uff0e<\/strong><\/p>\n<p>\u3069\u3046\u3067\u3057\u3087\u3046\uff1f \\(t\\)\u306e\u4e16\u754c\u3067\u306e\u5fae\u5206\u304c\\(s\\)\u306e\u4e16\u754c\u3060\u3068\u639b\u3051\u7b97\u3067\u8868\u3059\u3053\u3068\u304c\u51fa\u6765\u308b\u3063\u3066\u3044\u3046\u610f\u5473\u304c\u5206\u304b\u3063\u305f\u3067\u3057\u3087\u3046\u304b\uff1f<\/p>\n<p>\u5b9f\u306f\u3053\u308c<strong>\u30e9\u30d7\u30e9\u30b9\u5909\u63db\u306e\u5fae\u5206\u6cd5\u5247\u3063\u3066\u3044\u3046\u5927\u5c64\u306a\u540d\u524d\u304c\u3064\u3044\u3066\u308b\u3093\u3067\u3059\u304c\uff0c\u7c21\u5358\u306b\u8a00\u3046\u3068\u5fae\u7a4d\u304c\u3081\u3093\u3069\u3044\u4eba\u304c\u639b\u3051\u7b97\u5272\u308a\u7b97\u3067\u4ee3\u7528\u3067\u304d\u308b\u3088\u3046\u306b\u3057\u305f\u624b\u6cd5<\/strong>\u3067\u3059\uff0e<\/p>\n<h2 id=\"\u307e\u3068\u3081\">\u307e\u3068\u3081<\/h2>\n<p>\u4ed6\u306e\u30b5\u30a4\u30c8\u3084\u66f8\u7c4d\u306e\u3088\u3046\u306b\uff0c\u3072\u305f\u3059\u3089\u30e9\u30d7\u30e9\u30b9\u5909\u63db\u3092\u8a08\u7b97\u3059\u308b\u306e\u3067\u306f\u306a\u304f\uff0c\u300c\u306a\u3093\u3067\u3053\u3093\u306a\u3053\u3068\u3059\u308b\u306e\uff1f\u300d\u3068\u3044\u3046\u8996\u70b9\u304b\u3089\u306e\u30a2\u30d7\u30ed\u30fc\u30c1\u3067\u3057\u305f\uff0e<\/p>\n<p>\u3053\u3053\u3067\u3057\u3064\u3053\u3044\u3088\u3046\u306b\u8a00\u3063\u3066\u304d\u307e\u3057\u305f\uff0c<strong>\u30e9\u30d7\u30e9\u30b9\u5909\u63db\u3057\u305f\u3044\u95a2\u6570\u306b\\(e^-st\\)\u3092\u304b\u3051\u3066\u3042\u3052\u3066\uff0c0\u301c\u221e\u3067t\u306b\u3064\u3044\u3066\u7a4d\u5206<\/strong>\u3092\u8a08\u7b97\u3059\u308c\u3070\u30e9\u30d7\u30e9\u30b9\u5909\u63db\u306f\u51fa\u6765\u307e\u3059\uff0e<\/p>\n<p>\u305d\u306e\u8a08\u7b97\u904e\u7a0b\u3067\u8a70\u307e\u3063\u305f\u3089\uff0c\u30cd\u30c3\u30c8\u4e0a\u306b\u3044\u304f\u3089\u3067\u3082\u8a08\u7b97\u65b9\u6cd5\u306f\u8ee2\u304c\u3063\u3066\u3044\u308b\u306e\u3067\u305d\u3061\u3089\u3092\u53c2\u8003\u306b\u3057\u3066\u307f\u3066\u304f\u3060\u3055\u3044\uff0e<\/p>\n<p>\u5b9f\u969b\u30e9\u30d7\u30e9\u30b9\u5909\u63db\u306e\u5b9a\u7fa9\u304b\u3089\u5b9f\u969b\u306b\u8a08\u7b97\u3057\u3066\u307f\u308b\u3053\u3068\u3092\u304a\u3059\u3059\u3081\u3057\u307e\u3059\u3088<\/p>\n<p>\u4ed6\u306b\u3082\u30e9\u30d7\u30e9\u30b9\u5909\u63db\u306b\u95a2\u3057\u3066\u306f\u3044\u308d\u3044\u308d\u306a\u6cd5\u5247\u304c\u3042\u308a\u307e\u3059\u304c\uff0c\u3068\u308a\u3042\u3048\u305a\u57fa\u790e\u306f\u3053\u3093\u306a\u611f\u3058\u3067\u3059\uff0e<\/p>\n<p>\u9577\u6587\u3092\u304a\u8aad\u307f\u3044\u305f\u3060\u304d\u3042\u308a\u304c\u3068\u3046\u3054\u3056\u3044\u307e\u3057\u305f\uff0e<\/p>\n<div class=\"date-box\">\n<div class=\"date-midashi\">\u52c9\u5f37\u308f\u304b\u3089\u3093\uff0c\u305d\u3093\u306a\u3042\u306a\u305f\u306b<\/div>\n<div class=\"date-content\">\n<p><i class=\"fa fa-arrow-circle-right\"><\/i><a href=\"https:\/\/www.yukisako.xyz\/entry\/text-book\">\u3010\u53b3\u907830\u518a\u3011\u7406\u7cfb\u5927\u5b66\u751f\u304c\u8aad\u3093\u3067\u304a\u304f\u3079\u304d\u53c2\u8003\u66f8\u305f\u3061\u5fb9\u5e95\u307e\u3068\u3081<\/a><br \/>\n<i class=\"fa fa-arrow-circle-right\"><\/i><a href=\"https:\/\/www.yukisako.xyz\/entry\/fourier-transform\">\u3010\u753b\u50cf45\u679a\u3042\u308a\u3011\u30d5\u30fc\u30ea\u30a8\u5909\u63db\u3092\u5b87\u5b99\u4e00\u308f\u304b\u308a\u3084\u3059\u304f\u89e3\u8aac\u3057\u3066\u307f\u308b<\/a><\/p>\n<\/div>\n<\/div>\n","protected":false},"excerpt":{"rendered":"<p>\u7406\u5de5\u7cfb\u306e\u5b66\u90e8\u306b\u9032\u3081\u3070\uff0c\u96fb\u6c17\u56de\u8def\u3084\u3089\u5236\u5fa1\u5de5\u5b66\u3084\u3089\u3044\u308d\u3044\u308d\u306a\u3068\u3053\u308d\u3067\u51fa\u3066\u304f\u308b\u30e9\u30d7\u30e9\u30b9\u5909\u63db\uff0e \u79c1\u306e\u6240\u5c5e\u3059\u308b\u30ed\u30dc\u30c6\u30a3\u30af\u30b9\u5b66\u79d1\u3067\u306f2\u56de\u751f\u524d\u671f\u306e\u5fae\u5206\u65b9\u7a0b\u5f0f\u306e\u6388\u696d\u3067\u51fa\u3066\u304d\u307e\u3057\u305f \u308f\u304b\u3063\u3066\u3057\u307e\u3048\u3070\u30b7\u30f3\u30d7\u30eb\u306a\u6982\u5ff5\u306a\u306e\u306b\uff0c\u610f\u5916\u3068\u308f\u304b\u3063\u3066\u3044\u306a &#8230; <\/p>\n","protected":false},"author":1,"featured_media":16895,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[15],"tags":[],"class_list":{"0":"post-17958","1":"post","2":"type-post","3":"status-publish","4":"format-standard","5":"has-post-thumbnail","7":"category-15","8":"entry"},"_links":{"self":[{"href":"https:\/\/skill-hacks.co.jp\/media\/wp-json\/wp\/v2\/posts\/17958","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/skill-hacks.co.jp\/media\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/skill-hacks.co.jp\/media\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/skill-hacks.co.jp\/media\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/skill-hacks.co.jp\/media\/wp-json\/wp\/v2\/comments?post=17958"}],"version-history":[{"count":0,"href":"https:\/\/skill-hacks.co.jp\/media\/wp-json\/wp\/v2\/posts\/17958\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/skill-hacks.co.jp\/media\/wp-json\/wp\/v2\/media\/16895"}],"wp:attachment":[{"href":"https:\/\/skill-hacks.co.jp\/media\/wp-json\/wp\/v2\/media?parent=17958"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/skill-hacks.co.jp\/media\/wp-json\/wp\/v2\/categories?post=17958"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/skill-hacks.co.jp\/media\/wp-json\/wp\/v2\/tags?post=17958"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}