{"id":4848,"date":"2024-08-28T14:25:53","date_gmt":"2024-08-28T05:25:53","guid":{"rendered":"https:\/\/aiknot.jp\/media-top\/?p=4848"},"modified":"2024-08-28T14:47:57","modified_gmt":"2024-08-28T05:47:57","slug":"%e3%82%a6%e3%82%a3%e3%83%8a%e3%83%bc%e9%81%8e%e7%a8%8b%ef%bc%88%e3%83%96%e3%83%a9%e3%82%a6%e3%83%b3%e9%81%8b%e5%8b%95%ef%bc%89%e3%81%a8%e4%bc%8a%e8%97%a4%e9%81%8e%e7%a8%8b","status":"publish","type":"post","link":"https:\/\/aiknot.jp\/media-top\/?p=4848","title":{"rendered":"\u30a6\u30a3\u30ca\u30fc\u904e\u7a0b\uff08\u30d6\u30e9\u30a6\u30f3\u904b\u52d5\uff09\u3068\u4f0a\u85e4\u904e\u7a0b"},"content":{"rendered":"\n<h2 class=\"wp-block-heading\">\u30e9\u30f3\u30c0\u30e0\u30a6\u30a9\u30fc\u30af\u304b\u3089\u30a6\u30a3\u30ca\u30fc\u904e\u7a0b\uff08\u30d6\u30e9\u30a6\u30f3\u904b\u52d5\uff09\u3092\u5c0e\u304f<\/h2>\n\n\n\n<h3 class=\"wp-block-heading\">\u30e9\u30f3\u30c0\u30e0\u30a6\u30a9\u30fc\u30af\u306e\u6975\u9650\u3092\u53d6\u308b<\/h3>\n\n\n\n<p>\u5358\u7d14\u30e9\u30f3\u30c0\u30e0\u30a6\u30a9\u30fc\u30af\u3092\u4e0b\u8a18\u306e\u8a18\u4e8b\u3067\u7d39\u4ecb\u3057\u3066\u304a\u308a\u307e\u3059\u3002<\/p>\n\n\n<div class=\"swell-block-postLink\">\t\t\t<div class=\"p-blogCard -external\" data-type=\"type3\" data-onclick=\"clickLink\">\n\t\t\t\t<div class=\"p-blogCard__inner\">\n\t\t\t\t\t<span class=\"p-blogCard__caption\">AIknot-media<\/span>\n\t\t\t\t\t<div class=\"p-blogCard__thumb c-postThumb\"><figure class=\"c-postThumb__figure\"><img decoding=\"async\" src=\"https:\/\/aiknot.jp\/media-top\/wp-content\/uploads\/2023\/08\/shutterstock_409033153-e1690878173635.jpg\" alt=\"\" class=\"c-postThumb__img u-obf-cover\" width=\"320\" height=\"180\"><\/figure><\/div>\t\t\t\t\t<div class=\"p-blogCard__body\">\n\t\t\t\t\t\t<a class=\"p-blogCard__title\" href=\"https:\/\/aiknot.jp\/media-top\/?p=4769\" target=\"_blank\" rel=\"noopener noreferrer\">\u5358\u7d14\u30e9\u30f3\u30c0\u30e0\u30a6\u30a9\u30fc\u30af\u3068\u306f\uff1f\u5206\u304b\u308a\u3084\u3059\u304f\u89e3\u8aac\uff01 | AIknot-media<\/a>\n\t\t\t\t\t\t<span class=\"p-blogCard__excerpt\">\u5358\u7d14\u30e9\u30f3\u30c0\u30e0\u30a6\u30a9\u30fc\u30af\u306e\u6982\u8981 \u6700\u3082\u5358\u7d14\u306a\u30e9\u30f3\u30c0\u30e0\u30a6\u30a9\u30fc\u30af\u306e\u30e2\u30c7\u30eb \u4e00\u5b9a\u6642\u9593\u3054\u3068\u306b$+1$\u3001\u53c8\u306f$-1$\u3060\u3051\u79fb\u52d5\u3059\u308b\u5343\u9ce5\u8db3\u306e\u9154\u3063\u6255\u3044\u3092\u8003\u3048\u3066\u307f\u307e\u3059\u3002\u5b8c\u5168\u306b\u30e9\u30f3\u30c0\u30e0\u306b\u52d5\u304f\u3082\u306e\u3068&#8230;<\/span>\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t<\/div>\n\t\t<\/div>\n\n\n<p>\u682a\u4fa1\u306e\u52d5\u304d\u3092\u64ec\u5236\u3059\u308b\u306e\u306b\u30e9\u30f3\u30c0\u30e0\u30a6\u30a9\u30fc\u30af\u306e\u8003\u3048\u65b9\u304c\u4f7f\u308f\u308c\u3066\u3044\u308b\u3068\u3044\u3046\u3053\u3068\u3067\u3057\u305f\u3002\u3057\u304b\u3057\u3001\u30e9\u30f3\u30c0\u30e0\u30a6\u30a9\u30fc\u30af\u306f\u98db\u3073\u98db\u3073\u306e\u96e2\u6563\u7684\u306a\u52d5\u304d\u3067\u3059\u3002\u305d\u3053\u3067\u3001\u30e9\u30f3\u30c0\u30e0\u30a6\u30a9\u30fc\u30af\u306e\u30b0\u30e9\u30d5\u6a2a\u8ef8\u306e\u5e45$\\Delta t$\u3092$0$\u306b\u8fd1\u3065\u3051\u307e\u3059\u3002<\/p>\n\n\n\n<p>\u3059\u308b\u3068\u9023\u7d9a\u7684\u306a\u6642\u7cfb\u5217\u3078\u3068\u5909\u5316\u3057\u307e\u3059\u3002\u3053\u306e\u3088\u3046\u306b\u30e9\u30f3\u30c0\u30e0\u30a6\u30a9\u30fc\u30af\u306e\u6975\u9650\u3092\u53d6\u308a\u3001\u9023\u7d9a\u7684\u306a\u52d5\u304d\u306b\u3057\u305f\u3082\u306e\u3092\u30a6\u30a3\u30ca\u30fc\u904e\u7a0b\u3068\u547c\u3093\u3067\u3044\u307e\u3059\u3002\u30a6\u30a3\u30ca\u30fc\u904e\u7a0b\u306f\u3001\u7269\u7406\u5b66\u306e\u30d6\u30e9\u30a6\u30f3\u904b\u52d5\u304b\u3089\u304d\u3066\u3044\u308b\u305f\u3081\u30d6\u30e9\u30a6\u30f3\u904b\u52d5\u3068\u3082\u3044\u3044\u307e\u3059\u3002<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">\u30a6\u30a3\u30ca\u30fc\u904e\u7a0b\u306e\u7279\u5fb4\u3068\u6a19\u6e96\u30a6\u30a3\u30ca\u30fc\u904e\u7a0b<\/h3>\n\n\n\n<p>\u6b21\u306e\u3088\u3046\u306a\u6761\u4ef6\u3092\u6e80\u305f\u3059\u6642\u3001\u30e9\u30f3\u30c0\u30e0\u30a6\u30a9\u30fc\u30af\u306f\u30a6\u30a3\u30ca\u30fc\u904e\u7a0b\u3068\u547c\u3070\u308c\u307e\u3059\u3002\u306a\u304a\u3001\u59cb\u70b9\u304c\u30bc\u30ed\u3067\u306a\u3044\u30a6\u30a3\u30ca\u30fc\u904e\u7a0b\u3082\u60f3\u5b9a\u3055\u308c\u307e\u3059\u304c\u3001\u8907\u96d1\u5316\u3092\u907f\u3051\u308b\u305f\u3081\u59cb\u70b9\u306f\u30bc\u30ed\u3068\u3057\u307e\u3059\u3002<\/p>\n\n\n\n<figure class=\"wp-block-image size-full is-resized\"><img decoding=\"async\" width=\"1280\" height=\"720\" src=\"https:\/\/aiknot.jp\/media-top\/wp-content\/uploads\/2024\/08\/\u30a6\u30a3\u30ca\u30fc\u904e\u7a0b\uff15.png\" alt=\"\" class=\"wp-image-4926\" style=\"width:557px;height:auto\" srcset=\"https:\/\/aiknot.jp\/media-top\/wp-content\/uploads\/2024\/08\/\u30a6\u30a3\u30ca\u30fc\u904e\u7a0b\uff15.png 1280w, https:\/\/aiknot.jp\/media-top\/wp-content\/uploads\/2024\/08\/\u30a6\u30a3\u30ca\u30fc\u904e\u7a0b\uff15-768x432.png 768w\" sizes=\"(max-width: 1280px) 100vw, 1280px\" \/><figcaption class=\"wp-element-caption\">\u30a6\u30a3\u30ca\u30fc\u904e\u7a0b<\/figcaption><\/figure>\n\n\n\n<div class=\"wp-block-group is-style-big_icon_good\"><div class=\"wp-block-group__inner-container\">\n<p>\u30a6\u30a3\u30ca\u30fc\u904e\u7a0b$W_t$\u306e\u7279\u5fb4<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>$W_0=0$\uff08\u59cb\u70b9\u306f$0$\uff09<\/li>\n\n\n\n<li>$W_t$\u306f\u9023\u7d9a<\/li>\n\n\n\n<li>\u533a\u9593\u304c\u91cd\u306a\u3089\u306a\u3044\u5897\u5206\uff08\u5909\u5316\u5206\uff09\u306f\u72ec\u7acb<\/li>\n\n\n\n<li>\u6642\u7cfb\u5217\u306e\u5909\u5316\u91cf$\\Delta W$\u306f\u5e73\u5747$\u03bct$\u3001\u5206\u6563$\\sigma^2 t$\u306e\u6b63\u898f\u5206\u5e03\u306b\u5f93\u3046\u3002<\/li>\n<\/ul>\n<\/div><\/div>\n\n\n\n<p>\u3055\u3089\u306b\u3001\u5e73\u5747$\u03bc=0$\u3001$\\sigma^2=1$\u306e\u30a6\u30a3\u30ca\u30fc\u904e\u7a0b\u3092\u3001\u6a19\u6e96\u30a6\u30a3\u30ca\u30fc\u904e\u7a0b\u3068\u547c\u3073\u307e\u3059\u3002<br>\u3064\u307e\u308a\u3001\u6a19\u6e96\u30a6\u30a3\u30ca\u30fc\u904e\u7a0b\u306e\u5909\u5316\u91cf$\\Delta W$\u306f\u6b63\u898f\u5206\u5e03$N(0,t)$\u306b\u5f93\u3044\u307e\u3059\u3002<\/p>\n\n\n\n<p>\u5909\u5316\u91cf$\\Delta W$\u304c\u6b63\u898f\u5206\u5e03\u306b\u5f93\u3046\u306e\u306f\u4e2d\u5fc3\u6975\u9650\u5b9a\u7406\u306b\u57fa\u3065\u304f\u3082\u306e\u3067\u3059\u3002<\/p>\n\n\n\n<div class=\"wp-block-group is-style-big_icon_good\"><div class=\"wp-block-group__inner-container\">\n<p>\u4e2d\u5fc3\u6975\u9650\u5b9a\u7406\u3068\u306f<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u3069\u306e\u3088\u3046\u306a\u78ba\u7387\u5206\u5e03\u3067\u3042\u3063\u3066\u3082\u3001\u7e70\u308a\u8fd4\u3057\u306e\u6e2c\u5b9a\u306e\u548c\u306f\u3001\u8a66\u884c\u56de\u6570\u304c\u591a\u304f\u306a\u308c\u3070\u5f90\u3005\u306b\u6b63\u898f\u5206\u5e03\u306b\u8fd1\u304f\u306a\u308b<\/li>\n<\/ul>\n<\/div><\/div>\n\n\n\n<p>\u5206\u6563\u304c$\\sigma^2 t$\uff08\u3064\u307e\u308a\u6a19\u6e96\u504f\u5dee\u304c$\\sigma \\sqrt{t}$\uff09\u306b\u306a\u308b\u7406\u7531\u306b\u3064\u3044\u3066\u306f\u4e0b\u8a18\u306e\u8a18\u4e8b\u3092\u3054\u53c2\u7167\u304f\u3060\u3055\u3044\u3002<\/p>\n\n\n<div class=\"swell-block-postLink\">\t\t\t<div class=\"p-blogCard -external\" data-type=\"type3\" data-onclick=\"clickLink\">\n\t\t\t\t<div class=\"p-blogCard__inner\">\n\t\t\t\t\t<span class=\"p-blogCard__caption\">AIknot-media<\/span>\n\t\t\t\t\t<div class=\"p-blogCard__thumb c-postThumb\"><figure class=\"c-postThumb__figure\"><img decoding=\"async\" src=\"https:\/\/aiknot.jp\/media-top\/wp-content\/uploads\/2023\/08\/shutterstock_409033153-e1690878173635.jpg\" alt=\"\" class=\"c-postThumb__img u-obf-cover\" width=\"320\" height=\"180\"><\/figure><\/div>\t\t\t\t\t<div class=\"p-blogCard__body\">\n\t\t\t\t\t\t<a class=\"p-blogCard__title\" href=\"https:\/\/aiknot.jp\/media-top\/?p=4492\" target=\"_blank\" rel=\"noopener noreferrer\">\u30dc\u30e9\u30c6\u30a3\u30ea\u30c6\u30a3\u306f\u306a\u305c\u6642\u9593\u306e\u5e73\u65b9\u6839$\\sqrt{t}$\u306b\u6bd4\u4f8b\u3059\u308b\u306e\u304b\uff1f | AIknot-media<\/a>\n\t\t\t\t\t\t<span class=\"p-blogCard__excerpt\">\u5fc5\u8981\u306a\u524d\u63d0\u77e5\u8b58 \u5206\u6563\u306e\u6027\u8cea $V(X+Y)=V(X)+V(Y)$\u3068\u306a\u308b\u304b\u3092\u8003\u3048\u3066\u307f\u307e\u3059\u3002 \\[V(X+Y)=E(\\{(X+Y)-(\u03bcx+\u03bcy)\\}^2)\u3000\u3000\u2026(1)\\] E(X)=\u03bcx\u3000\u2026\u78ba\u7387\u5909\u6570X\u306e\u5e73\u5747\u5024 E(Y)=\u03bcy\u3000\u2026\u78ba\u7387\u5909\u6570Y\u306e&#8230;<\/span>\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t<\/div>\n\t\t<\/div>\n\n\n<h3 class=\"wp-block-heading\">\u4e00\u822c\u5316\u3057\u305f\u30a6\u30a3\u30ca\u30fc\u904e\u7a0b<\/h3>\n\n\n\n<p>\u30e9\u30f3\u30c0\u30e0\u30a6\u30a9\u30fc\u30af\u306f\u3001\u77ed\u671f\u7684\u306b\u306f\u4e88\u6e2c\u4e0d\u53ef\u80fd\u306a\u52d5\u304d\u3092\u3057\u306a\u304c\u3089\u3082\u3001\u9577\u671f\u7684\u306b\u306f\u4e00\u5b9a\u65b9\u5411\u6027\u3092\u6301\u3063\u3066\u52d5\u3044\u3066\u3044\u308b\u7279\u5fb4\u304c\u3042\u308a\u3001\u3053\u306e\u3088\u3046\u306a\u7279\u5fb4\u304c\u682a\u4fa1\u306e\u52d5\u304d\u306e\u7279\u5fb4\u3068\u4e00\u81f4\u3059\u308b\u305f\u3081\u3001\u682a\u4fa1\u30e2\u30c7\u30eb\u306e\u69cb\u7bc9\u306b\u9069\u3057\u3066\u3044\u308b\u3068\u3044\u3046\u3053\u3068\u3067\u3057\u305f\u3002<\/p>\n\n\n\n<p>\u305d\u3053\u3067\u3001\u50be\u304d\u3092\u6301\u3064\uff12\u6b21\u95a2\u6570\u3068\u30a6\u30a3\u30ca\u30fc\u904e\u7a0b\u306e\u8907\u5408\u3092\u8003\u3048\u3066\u307f\u307e\u3059\u3002<\/p>\n\n\n\n<figure class=\"wp-block-image size-full\"><img decoding=\"async\" width=\"1280\" height=\"720\" src=\"https:\/\/aiknot.jp\/media-top\/wp-content\/uploads\/2024\/08\/\u30a6\u30a3\u30ca\u30fc\u904e\u7a0b\uff14.png\" alt=\"\" class=\"wp-image-4919\" srcset=\"https:\/\/aiknot.jp\/media-top\/wp-content\/uploads\/2024\/08\/\u30a6\u30a3\u30ca\u30fc\u904e\u7a0b\uff14.png 1280w, https:\/\/aiknot.jp\/media-top\/wp-content\/uploads\/2024\/08\/\u30a6\u30a3\u30ca\u30fc\u904e\u7a0b\uff14-768x432.png 768w\" sizes=\"(max-width: 1280px) 100vw, 1280px\" \/><figcaption class=\"wp-element-caption\">\u56f3\uff1a\u4e00\u822c\u5316\u3057\u305f\u30a6\u30a3\u30ca\u30fc\u904e\u7a0b<\/figcaption><\/figure>\n\n\n\n<p>\u682a\u4fa1\u306e\u52d5\u304d\u306f\u9577\u671f\u7684\u306a\u65b9\u5411\u6027\u304c\u3088\u308a\u91cd\u8981\u3067\u3001\u30e9\u30f3\u30c0\u30e0\u306a\u52d5\u304d\u306f\u77ed\u671f\u7684\u306b\u306f\u4e00\u5b9a\u306e\u610f\u5473\u304c\u3042\u308a\u307e\u3059\u304c\u9577\u671f\u7684\u306b\u306f\u3055\u307b\u3069\u91cd\u8981\u3067\u306f\u3042\u308a\u307e\u305b\u3093\u3002\u305d\u306e\u305f\u3081\u3001\u4e21\u8005\u3092\u5206\u96e2\u3057\u3066\u691c\u8a0e\u3067\u304d\u308b\u5fc5\u8981\u304c\u3042\u308a\u3001\uff12\u3064\u306e\u30b0\u30e9\u30d5\u306e\u8907\u5408\u3068\u3057\u3066\u8003\u3048\u3066\u3044\u308b\u8a33\u3067\u3059\u3002<\/p>\n\n\n\n<p>\uff12\u3064\u306e\u30b0\u30e9\u30d5\u306e\u8907\u5408\u3067\u4f5c\u3089\u308c\u305f\u4e0a\u56f3\u4e0b\u306e\u30b0\u30e9\u30d5\u306b\u76f8\u5f53\u3059\u308b\u6642\u7cfb\u5217\u3092$X(t)$\u3068\u3057\u3001\u6570\u5f0f\u3067\u8868\u305b\u306a\u3044\u304b\u8003\u3048\u3066\u307f\u307e\u3059\u3002<\/p>\n\n\n\n<p>\\[X(t)=a\u30fbt+b\u30fbW(t)\\]<\/p>\n\n\n\n<p>\u5de6\u5074\u306e\u9805$a\u30fbt$\u304c\u4e0a\u56f3\u5de6\u4e0a\u306e\u30b0\u30e9\u30d5\u3092\u8868\u73fe\u3057\u3066\u3044\u307e\u3059\u3002\u6a2a\u8ef8\u306e\u6642\u9593$t$\u306b\u5b9a\u6570$a$\u3092\u4e57\u3058\u305f\u3082\u306e\u3067\u96e3\u3057\u3044\u3068\u3053\u308d\u306f\u3042\u308a\u307e\u305b\u3093\u3002<\/p>\n\n\n\n<p>\u53f3\u5074\u306e\u9805$b\u30fbW(t)$\u304c\u4e0a\u56f3\u53f3\u4e0a\u306e\u30b0\u30e9\u30d5\u3092\u8868\u73fe\u3057\u3066\u3044\u307e\u3059\u3002\u5b9a\u6570$b$\u3092\u30a6\u30a3\u30ca\u30fc\u904e\u7a0b$W(t)$\u306b\u4e57\u3058\u308b\u5f62\u306b\u306a\u3063\u3066\u304a\u308a\u3001$b$\u304c\u7d30\u304b\u3044\u30d6\u30ec\u306e\u5e45\u3092\u6c7a\u5b9a\u3059\u308b\u4fc2\u6570\u306b\u306a\u3063\u3066\u3044\u307e\u3059\u3002\u30a6\u30a3\u30ca\u30fc\u904e\u7a0b$W(t)$\u306f\u9023\u7d9a\u578b\u78ba\u7387\u904e\u7a0b\u3067\u5909\u5316\u91cf\u306e\u7dcf\u548c\u306b\u3088\u308a\u5c0e\u304b\u308c\u308b\u305f\u3081\u3001$X(t)$\u306e\u5909\u5316\u91cf$\\Delta X$\u3092\u8003\u3048\u307e\u3059\u3002<\/p>\n\n\n\n<p>$X(t)$\u306e\u5909\u5316\u91cf$\\Delta X$\u306f\u6b21\u306e\u901a\u308a\u3067\u3059\u3002<\/p>\n\n\n\n<p>\\[\\Delta X=a\u30fb\\Delta t+b\u30fb\\Delta W=a\u30fb\\Delta t+b\u30fb\\epsilon \u30fb\\sqrt{\\Delta t}\\]<\/p>\n\n\n\n<p>\u3053\u306e\u3088\u3046\u306a\u6642\u7cfb\u5217$X(t)$\u3092\u3001\u300c\u4e00\u822c\u5316\u3057\u305f\u30a6\u30a3\u30ca\u30fc\u904e\u7a0b\u300d\u3068\u547c\u3073\u307e\u3059\u3002\u300c\u4e00\u822c\u5316\u3057\u305f\u30a6\u30a3\u30ca\u30fc\u904e\u7a0b\u300d\u306f\u3001\u300c\u7b97\u8853\u30d6\u30e9\u30a6\u30f3\u904b\u52d5\u300d\u3002\u300c\u5bfe\u6570\u30a6\u30a3\u30ca\u30fc\u904e\u7a0b\u300d\u3068\u3082\u547c\u3070\u308c\u307e\u3059\u3002<\/p>\n\n\n\n<div class=\"wp-block-group is-style-big_icon_good\"><div class=\"wp-block-group__inner-container\">\n<ul class=\"wp-block-list\">\n<li>$a$\u306f\u5b9a\u6570\u3067\u50be\u304d\u3092\u4e0e\u3048\u308b\uff08\u30c9\u30ea\u30d5\u30c8\u4fc2\u6570\uff09<\/li>\n\n\n\n<li>$b$\u306f\u5b9a\u6570\u3067\u30d6\u30ec\u306e\u5927\u304d\u3055\u3092\u4e0e\u3048\u308b\uff08\u3086\u3089\u304e\u4fc2\u6570\uff09<\/li>\n\n\n\n<li>$t$\u306f\u6642\u9593<\/li>\n\n\n\n<li>$\\epsilon$\u306f\u6b63\u898f\u5206\u5e03\u306b\u5f93\u3046\u7121\u4f5c\u70ba\u6a19\u672c<\/li>\n\n\n\n<li>$W_t$\u306f\u30a6\u30a3\u30ca\u30fc\u904e\u7a0b<\/li>\n<\/ul>\n<\/div><\/div>\n\n\n\n<p>$b\u30fb\\epsilon \u30fb\\sqrt{\\Delta t}$\u306e\u9805\u306b\u3064\u3044\u3066\u88dc\u8db3\u3044\u305f\u3057\u307e\u3059\u3002<\/p>\n\n\n\n<p>\u5358\u7d14\u30e9\u30f3\u30c0\u30e0\u30a6\u30a9\u30fc\u30af\u3067\u306f\u3001$+1$\u3092\u53d6\u308b\u78ba\u7387$p=0.7$\u3001$-1$\u3092\u53d6\u308b\u78ba\u7387$q=0.3$\u3068\u4eee\u5b9a\u3057\u307e\u3057\u305f\u304c\u3001\u30e9\u30f3\u30c0\u30e0\u306a\u52d5\u304d\u3092\u8868\u73fe\u3059\u308b\u305f\u3081\u306b\u306f\u3001\u3053\u306e\u3088\u3046\u306a\u4e00\u7a2e\u306e\u4e71\u6570\u304c\u5fc5\u8981\u3068\u306a\u308a\u307e\u3059\u304c\u3001\u4e0a\u306e\u5f0f\u3067\u306f$\\epsilon$\u304c\u305d\u308c\u306b\u8a72\u5f53\u3057\u307e\u3059\u3002<\/p>\n\n\n\n<p>$b$\u304c\u30d6\u30ec\u306e\u5e45\u3092\u6c7a\u5b9a\u3057\u3066\u3044\u308b\u8a33\u3067\u3059\u304c\u3001$\\sqrt{\\Delta t}$\u306b\u5fdc\u3058\u3066\u5897\u52a0\u3057\u307e\u3059\u3002\u3053\u306e\u7406\u7531\u306b\u3064\u3044\u3066\u3001\u4e0b\u8a18\u306e\u8a18\u4e8b\u3092\u3054\u89a7\u304f\u3060\u3055\u3044\u3002<\/p>\n\n\n<div class=\"swell-block-postLink\">\t\t\t<div class=\"p-blogCard -external\" data-type=\"type3\" data-onclick=\"clickLink\">\n\t\t\t\t<div class=\"p-blogCard__inner\">\n\t\t\t\t\t<span class=\"p-blogCard__caption\">AIknot-media<\/span>\n\t\t\t\t\t<div class=\"p-blogCard__thumb c-postThumb\"><figure class=\"c-postThumb__figure\"><img decoding=\"async\" src=\"https:\/\/aiknot.jp\/media-top\/wp-content\/uploads\/2023\/08\/shutterstock_409033153-e1690878173635.jpg\" alt=\"\" class=\"c-postThumb__img u-obf-cover\" width=\"320\" height=\"180\"><\/figure><\/div>\t\t\t\t\t<div class=\"p-blogCard__body\">\n\t\t\t\t\t\t<a class=\"p-blogCard__title\" href=\"https:\/\/aiknot.jp\/media-top\/?p=4492\" target=\"_blank\" rel=\"noopener noreferrer\">\u30dc\u30e9\u30c6\u30a3\u30ea\u30c6\u30a3\u306f\u306a\u305c\u6642\u9593\u306e\u5e73\u65b9\u6839$\\sqrt{t}$\u306b\u6bd4\u4f8b\u3059\u308b\u306e\u304b\uff1f | AIknot-media<\/a>\n\t\t\t\t\t\t<span class=\"p-blogCard__excerpt\">\u5fc5\u8981\u306a\u524d\u63d0\u77e5\u8b58 \u5206\u6563\u306e\u6027\u8cea $V(X+Y)=V(X)+V(Y)$\u3068\u306a\u308b\u304b\u3092\u8003\u3048\u3066\u307f\u307e\u3059\u3002 \\[V(X+Y)=E(\\{(X+Y)-(\u03bcx+\u03bcy)\\}^2)\u3000\u3000\u2026(1)\\] E(X)=\u03bcx\u3000\u2026\u78ba\u7387\u5909\u6570X\u306e\u5e73\u5747\u5024 E(Y)=\u03bcy\u3000\u2026\u78ba\u7387\u5909\u6570Y\u306e&#8230;<\/span>\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t<\/div>\n\t\t<\/div>\n\n\n<h2 class=\"wp-block-heading\">\u300c\u4e00\u822c\u5316\u3057\u305f\u30a6\u30a3\u30ca\u30fc\u904e\u7a0b\u300d\u304b\u3089\u300c\u4f0a\u85e4\u904e\u7a0b\u300d\u3092\u5c0e\u304f<\/h2>\n\n\n\n<h3 class=\"wp-block-heading\">\u5b9a\u6570\u3092\u95a2\u6570\u306b\u4e00\u822c\u5316\u3059\u308b<\/h3>\n\n\n\n<p>\\[\\Delta X=a\u30fb\\Delta t+b\u30fb\\Delta W\\]<\/p>\n\n\n\n<p>\u3053\u3053\u3067\u3001\u5b9a\u6570$a$\u306f\u30c9\u30ea\u30d5\u30c8\u4fc2\u6570\u3001\u5b9a\u6570$b$\u306f\u3086\u3089\u304e\u4fc2\u6570\u3067\u3057\u305f\u304c\u3001\u305d\u308c\u305e\u308c\u3092\u5b9a\u6570\u3067\u306f\u306a\u304f\u6642\u7cfb\u5217$X(t)$\u3068\u6642\u9593$t$\u3067\u6c7a\u307e\u308b\u95a2\u6570\u3068\u8003\u3048\u307e\u3059\u3002<\/p>\n\n\n\n<p>$a\u2192a(X,t)$<br>$b\u2192b(X,t)$<\/p>\n\n\n\n<p>\u3059\u308b\u3068\u6b21\u306e\u5f0f\u3092\u5f97\u308b\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002<\/p>\n\n\n\n<p>\\[\\Delta X=a(X,t)\u30fb\\Delta t+b(X,t)\u30fb\\Delta W\\]<\/p>\n\n\n\n<p>$\\Delta t\u21920$\u306e\u6642\u3001<\/p>\n\n\n\n<p>\\[dX=a(X,t)\u30fbdt+b(X,t)\u30fbdW\\]<\/p>\n\n\n\n<p>\u3053\u308c\u304c\u300c\u4f0a\u85e4\u904e\u7a0b\u300d\u3067\u3059\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u30e9\u30f3\u30c0\u30e0\u30a6\u30a9\u30fc\u30af\u304b\u3089\u30a6\u30a3\u30ca\u30fc\u904e\u7a0b\uff08\u30d6\u30e9\u30a6\u30f3\u904b\u52d5\uff09\u3092\u5c0e\u304f \u30e9\u30f3\u30c0\u30e0\u30a6\u30a9\u30fc\u30af\u306e\u6975\u9650\u3092\u53d6\u308b \u5358\u7d14\u30e9\u30f3\u30c0\u30e0\u30a6\u30a9\u30fc\u30af\u3092\u4e0b\u8a18\u306e\u8a18\u4e8b\u3067\u7d39\u4ecb\u3057\u3066\u304a\u308a\u307e\u3059\u3002 \u682a\u4fa1\u306e\u52d5\u304d\u3092\u64ec\u5236\u3059\u308b\u306e\u306b\u30e9\u30f3\u30c0\u30e0\u30a6\u30a9\u30fc\u30af\u306e\u8003\u3048\u65b9\u304c\u4f7f\u308f\u308c\u3066\u3044\u308b\u3068\u3044\u3046\u3053\u3068\u3067\u3057\u305f\u3002 [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":20,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"swell_btn_cv_data":"","footnotes":""},"categories":[27],"tags":[],"class_list":["post-4848","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-27"],"_links":{"self":[{"href":"https:\/\/aiknot.jp\/media-top\/index.php?rest_route=\/wp\/v2\/posts\/4848","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/aiknot.jp\/media-top\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/aiknot.jp\/media-top\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/aiknot.jp\/media-top\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/aiknot.jp\/media-top\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=4848"}],"version-history":[{"count":109,"href":"https:\/\/aiknot.jp\/media-top\/index.php?rest_route=\/wp\/v2\/posts\/4848\/revisions"}],"predecessor-version":[{"id":4963,"href":"https:\/\/aiknot.jp\/media-top\/index.php?rest_route=\/wp\/v2\/posts\/4848\/revisions\/4963"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/aiknot.jp\/media-top\/index.php?rest_route=\/wp\/v2\/media\/20"}],"wp:attachment":[{"href":"https:\/\/aiknot.jp\/media-top\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=4848"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/aiknot.jp\/media-top\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=4848"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/aiknot.jp\/media-top\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=4848"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}