{"blog_url":"https://aidiary.hatenablog.com/","description":"\u4eca\u56de\u3082Coursera\u306e\u6a5f\u68b0\u5b66\u7fd2\u30cd\u30bf\u3002Coursera\u306e\u8b1b\u7fa9\u3067\u306f\u30ed\u30b8\u30b9\u30c6\u30a3\u30c3\u30af\u56de\u5e30\u3084\u30cb\u30e5\u30fc\u30e9\u30eb\u30cd\u30c3\u30c8\u306e\u30d1\u30e9\u30e1\u30fc\u30bf\u5b66\u7fd2\u306b\u5171\u5f79\u52fe\u914d\u6cd5\uff08conjugate gradient method: CG\u6cd5\uff09\u3084BFGS\u30a2\u30eb\u30b4\u30ea\u30ba\u30e0\uff08Broyden\u2013Fletcher\u2013Goldfarb\u2013Shanno algorithm\uff09*1 \u3092\u4f7f\u3063\u3066\u3044\u307e\u3057\u305f\u3002\u3088\u304f\u4f7f\u308f\u308c\u308b\u52fe\u914d\u964d\u4e0b\u6cd5\uff08gradient descent method\uff09\u3088\u308a\u5f37\u529b\u306a\u6700\u9069\u5316\u30a2\u30eb\u30b4\u30ea\u30ba\u30e0\u3068\u306e\u3053\u3068\u3002\u52fe\u914d\u964d\u4e0b\u6cd5\u306b\u6bd4\u3079\u3066\u3088\u3044\u70b9\u3068\u3057\u3066 \u5b66\u7fd2\u7387\u3092\u624b\u52d5\u3067\u8a2d\u5b9a\u3059\u308b\u5fc5\u8981\u304c\u306a\u3044 \u9ad8\u901f \u3068\u3044\u30462\u70b9\u304c\u6319\u3052\u3089\u308c\u3066\u3044\u307e\u3057\u305f\u3002\u81ea\u5206\u3067\u8a66\u3057\u3066\u307f\u308b\u3068\u3088\u304f\u308f\u304b\u308b\u3051\u3069\u3001\u5b66\u7fd2\u7387\u306e\u6c7a\u5b9a\u306f\u5730\u5473\u306b\u9762\u5012\u304f\u2026","title":"\u5171\u5f79\u52fe\u914d\u6cd5\u306b\u3088\u308b\u30b3\u30b9\u30c8\u95a2\u6570\u6700\u9069\u5316","html":"<iframe src=\"https://hatenablog-parts.com/embed?url=https%3A%2F%2Faidiary.hatenablog.com%2Fentry%2F20140414%2F1397481258\" title=\"\u5171\u5f79\u52fe\u914d\u6cd5\u306b\u3088\u308b\u30b3\u30b9\u30c8\u95a2\u6570\u6700\u9069\u5316 - \u4eba\u5de5\u77e5\u80fd\u306b\u95a2\u3059\u308b\u65ad\u5275\u9332\" class=\"embed-card embed-blogcard\" scrolling=\"no\" frameborder=\"0\" style=\"display: block; width: 100%; height: 190px; max-width: 500px; margin: 10px 0px;\"></iframe>","author_url":"https://blog.hatena.ne.jp/aidiary/","width":"100%","url":"https://aidiary.hatenablog.com/entry/20140414/1397481258","height":"190","version":"1.0","published":"2014-04-14 22:14:18","categories":["\u6a5f\u68b0\u5b66\u7fd2","PRML"],"blog_title":"\u4eba\u5de5\u77e5\u80fd\u306b\u95a2\u3059\u308b\u65ad\u5275\u9332","image_url":"http://hatenablog.com/images/theme/og-image-1500.gif","type":"rich","author_name":"aidiary","provider_name":"Hatena Blog","provider_url":"https://hatena.blog"}