{"id":1673,"date":"2023-03-22T00:00:00","date_gmt":"2023-03-22T00:00:00","guid":{"rendered":"urn:uuid:73cae2be-9494-4701-b784-3a124e942f38"},"modified":"2023-03-22T00:00:00","modified_gmt":"2023-03-22T00:00:00","slug":"digital-twintomarukohulian-suo-montekarurofa","status":"publish","type":"post","link":"https:\/\/www.sekaiken.com\/?p=1673","title":{"rendered":"digital twin\u3068\u30de\u30eb\u30b3\u30d5\u9023\u9396\u30e2\u30f3\u30c6\u30ab\u30eb\u30ed\u6cd5"},"content":{"rendered":"<p>\u690d\u7269\u5de5\u5834\u3084\u81ea\u52d5\u8eca\u306e\u8a2d\u8a08\u306b\u304a\u3044\u3066\u30b3\u30f3\u30d4\u30e5\u30fc\u30bf\u306e\u4e2d\u306b\u4f5c\u3089\u308c\u308b\u5b9f\u7269\u3092\u6a21\u64ec\u3059\u308b\u6b63\u78ba\u306a\u30e2\u30c7\u30eb\u306e\u3053\u3068\u3092digital twin\u3068\u8a00\u3044\u307e\u3059\u3002digital twin 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\/>\nhttps:\/\/ja.wikipedia.org\/wiki\/%E6%AC%A1%E5%85%83%E3%81%AE%E5%91%AA%E3%81%84<br \/>\n\u305d\u3053\u3067\u7de8\u307f\u51fa\u3055\u308c\u305f\u306e\u304c\u3001\u30e9\u30f3\u30c0\u30e0\u306b\u30b5\u30f3\u30d7\u30eb\u3092\u53d6\u3063\u3066\u304d\u3066\u4e00\u90e8\u3092\u4f7f\u3046\u65b9\u6cd5\u3001\u300c\u30de\u30eb\u30b3\u30d5\u9023\u9396\u30e2\u30f3\u30c6\u30ab\u30eb\u30ed\u6cd5\u3001\u7565\u3057\u3066MCMC\u300d\u3068\u547c\u3070\u308c\u308b\u65b9\u6cd5\u3067\u3059\u3002<br \/>\nhttps:\/\/ja.wikipedia.org\/wiki\/%E3%83%9E%E3%83%AB%E3%82%B3%E3%83%95%E9%80%A3%E9%8E%96%E3%83%A2%E3%83%B3%E3%83%86%E3%82%AB%E3%83%AB%E3%83%AD%E6%B3%95<br \/>\n\u3053\u308c\u306f\u3001\u7c21\u5358\u306b\u8a00\u3046\u3068\u30b5\u30a4\u30b3\u30ed\u3092\u632f\u3063\u3066\u6b21\u306b\u3069\u306e\u500b\u4f53\u306e\u3069\u306e\u6027\u8cea\u3092\u30d5\u30a3\u30c3\u30c6\u30a4\u30f3\u30b0\u30c7\u30fc\u30bf\u3068\u3057\u3066\u53d6\u308a\u5165\u308c\u308b\u304b\u3001\u3092\u6c7a\u3081\u308b\u65b9\u6cd5\u3067\u3001\u30de\u30eb\u30b3\u30d5\u9023\u9396\u306f\u300c\u904e\u53bb\u306e\u8a18\u61b6\u3092\u6301\u305f\u305a\u3001\u73fe\u5728\u306e\u72b6\u614b\u3060\u3051\u3067\u6c7a\u307e\u308b\uff08\u4f8b\uff1a\u5343\u65e5\u624b\u3092\u7121\u8996\u3057\u305f\u56f2\u7881\u3084\u5c06\u68cb\uff09\u300d\u3053\u3068\u3001\u30e2\u30f3\u30c6\u30ab\u30eb\u30ed\u306f\u300c\u30e2\u30f3\u30c6\u30ab\u30eb\u30ed\u3067\u6709\u540d\u306a\u30eb\u30fc\u30ec\u30c3\u30c8\u306e\u3088\u3046\u306b\u3001\u4e71\u6570\u3067\u6c7a\u3081\u308b\u300d\u3053\u3068\u304b\u3089\u540d\u524d\u304c\u3064\u3044\u3066\u3044\u307e\u3059\u3002\u3053\u306e\u65b9\u6cd5\u3092\u4f7f\u3048\u3070\u3001\u591a\u6570\u306e\u5909\u6570\u304c\u304b\u304b\u308f\u308b\u591a\u6b21\u5143\u7a7a\u9593\u306e\u554f\u984c\u3092\u3001\u300c\u591a\u6b21\u5143\u7a7a\u9593\u306e\u4e2d\u3067\u6b21\u306b\u3069\u306e\u70b9\u306b\u884c\u304f\u304b\u3068\u3044\u3046\u9053\u7b4b\u300d\u306e1\u6b21\u5143\u554f\u984c\u306b\u713c\u304d\u76f4\u3059\u3053\u3068\u304c\u3067\u304d\u308b\u306e\u3067\u3001\u300c\u6b21\u5143\u306e\u546a\u3044\u300d\u3092\u9003\u308c\u308b\u3053\u3068\u304c\u3067\u304d\u307e\u3059\uff08\u3082\u3061\u308d\u3093\u3001\u6b63\u78ba\u6027\u3092\u72a0\u7272\u3068\u3057\u305f\u8fd1\u4f3c\u306b\u306a\u308a\u307e\u3059\u304c\u3001\u3082\u3068\u3082\u3068\u30b9\u30d1\u3063\u3068\u89e3\u3051\u308b\u8a71\u306b\u306f\u4f7f\u3044\u307e\u305b\u3093\uff09\u3002\u6709\u7528\u306a\u89e3\u6790\u30d1\u30c3\u30b1\u30fc\u30b8\u3082\u3044\u308d\u3044\u308d\u3067\u304d\u3066\u3044\u307e\u3059\u3002\u4eca\u5e74\u306e\u590f\u306e\u96c6\u4e2d\u8b1b\u7fa9\uff08\u5b66\u5916\u8005\u3082\u5c65\u4fee\u53ef\u80fd\uff09\u3067\u306f\u3061\u3087\u3063\u3068\u8a73\u3057\u3081\u306b\u5b9f\u7fd2\u3057\u3088\u3046\u3068\u6e96\u5099\u4e2d\u3067\u3059\u3002<\/p>\n<p>\u82f1\u8a9e\u306f\u3001https:\/\/en.wikipedia.org\/wiki\/Markov_chain_Monte_Carlo\u3000\u304b\u3089<br \/>\nMarkov chain \u30de\u30eb\u30b3\u30d5\u9023\u9396<br \/>\nMonte Carlo  \u30e2\u30ca\u30b3\u306e\u5730\u533a\u540d\u3002\u30ab\u30b8\u30ce\u3067\u6709\u540d\u3002<br \/>\nequilibrium distribution \u30a8\u30af\u30a4\u300c\u308a\u30fc\u300d\u30d6\u30ea\u30a2\u30e0\u3000\u5e73\u8861\u5206\u5e03<br \/>\nactual desired distribution \u5b9f\u969b\u306e\u671b\u307e\u3057\u3044\u5206\u5e03<br \/>\n&ldquo;MCMC is primary used for calculating numerical approximations of multi dimensional integrals.&rdquo;  MCMC\u306f\u7b2c\u4e00\u306b\u9ad8\u6b21\u5143\u7a4d\u5206\u3092\u6570\u5024\u7684\u306b\u8fd1\u4f3c\u8a08\u7b97\u3059\u308b\u306e\u306b\u7528\u3044\u3089\u308c\u308b\u3002<br \/>\nhierarchical models \u30cf\u30a4\u30a2\u300c\u30e9\u30fc\u300d\u30ad\u30ab\u308b\u3000\u968e\u5c64\u30e2\u30c7\u30eb<br \/>\nstochastic processes of &ldquo;walkers&rdquo; \u300c\u6b69\u304d\u624b\u300d\u306e\u78ba\u7387\u7684\u904e\u7a0b<br \/>\nautocorrelated \u81ea\u5df1\u76f8\u95a2\u3092\u6301\u3064<br \/>\ncurse of dimensionality \u6b21\u5143\u306e\u546a\u3044\u3000\u30ab\u30fc\u30b9\uff1d\u546a\u3044<br \/>\n&ldquo;These algorithms usually rely on a more complicated theory and are harder to implement, but they usually converge faster.&rdquo; \u3053\u308c\u3089\u306e\u30a2\u30eb\u30b4\u30ea\u30ba\u30e0\u306f\u3082\u3063\u3068\u8907\u96d1\u306a\u7406\u8ad6\u306b\u57fa\u3065\u3044\u3066\u304a\u308a\u5b9f\u88c5\u306f\u9762\u5012\u3067\u3042\u308b\u304c\u3001\u305f\u3044\u3066\u3044\u3088\u308a\u901f\u304f\u53ce\u675f\u3059\u308b\u3002\u3000<br \/>\nconverge \u30b3\u30f3\u300c\u30f4\u30a1\u300d\u30fc\u30b8\u3000\u53ce\u675f\u3059\u308b<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u690d\u7269\u5de5\u5834\u3084\u81ea\u52d5\u8eca\u306e\u8a2d\u8a08\u306b\u304a\u3044\u3066\u30b3\u30f3\u30d4\u30e5\u30fc\u30bf\u306e\u4e2d\u306b\u4f5c\u3089\u308c\u308b\u5b9f\u7269\u3092\u6a21\u64ec\u3059\u308b\u6b63\u78ba\u306a\u30e2\u30c7\u30eb\u306e\u3053\u3068\u3092digital twin\u3068\u8a00\u3044\u307e\u3059\u3002digital twin 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