{"author_name":"omoshiroamericanews","categories":["Coursera-Machine Learning-Week9"],"provider_url":"https://hatena.blog","image_url":"https://cdn-ak.f.st-hatena.com/images/fotolife/o/omoshiroamericanews/20191212/20191212112335.png","type":"rich","title":"Coursera Machine Learning Week9 \u8ab2\u984c\u3000\u82e6\u95d8\u65e5\u8a18\u2463","height":"190","width":"100%","blog_url":"https://omoshiroamericanews.hatenablog.com/","description":"\u4eca\u56de\u306fcosiCostFunc.m\u306eGradient\u30d1\u30fc\u30c8\u306b\u53d6\u308a\u7d44\u307f\u307e\u3059\u2193 \u305d\u3082\u305d\u3082cofiCostFunc\u306f\u3053\u306eFuncion\u3067\u3057\u305f\u3002 [J, grad] = cofiCostFunc(params, Y, R, num_users, num_movies, ... num_features, lambda) \u524d\u56de\u300cJ\u300d\u306e\u8a08\u7b97\u5f0f\u3092\u69cb\u7bc9\u3057\u305f\u306e\u3067\u3001 \u4eca\u56de\u306f\u300cgrad\u300d\u306e\u8a08\u7b97\u5f0f\u306e\u69cb\u7bc9\u306b\u53d6\u308a\u7d44\u307f\u307e\u3059\u3002 grad\u3063\u3066\u82e6\u624b\u306a\u3093\u3067\u3059\u3088\u306d\u3002\u3002\u3002\u3002 \u554f\u984c\u6587\u3092\u8aad\u3093\u3067\u307f\u307e\u3059\u3002 \uff08\u51fa\u5178;\u300eCoursera Machine Learning\u300f By Mr. Andrew Ng\uff09 \u5927\u304d\u3044\u30d2\u30f3\u30c8\u304c\u51fa\u3066\u304d\u307e\u3057\u305f\u3002 X_gr\u2026","author_url":"https://blog.hatena.ne.jp/omoshiroamericanews/","url":"https://omoshiroamericanews.hatenablog.com/entry/2019/12/12/173742","version":"1.0","published":"2019-12-12 17:37:42","blog_title":"\u6687\u4eba\u65e5\u8a18","provider_name":"Hatena Blog","html":"<iframe src=\"https://hatenablog-parts.com/embed?url=https%3A%2F%2Fomoshiroamericanews.hatenablog.com%2Fentry%2F2019%2F12%2F12%2F173742\" title=\"Coursera Machine Learning Week9 \u8ab2\u984c\u3000\u82e6\u95d8\u65e5\u8a18\u2463 - \u6687\u4eba\u65e5\u8a18\" class=\"embed-card embed-blogcard\" scrolling=\"no\" frameborder=\"0\" style=\"display: block; width: 100%; height: 190px; max-width: 500px; margin: 10px 0px;\"></iframe>"}