{"provider_name":"Hatena Blog","blog_url":"https://y-uti.hatenablog.jp/","blog_title":"y_uti \u306e\u30d6\u30ed\u30b0","author_url":"https://blog.hatena.ne.jp/y_uti/","version":"1.0","url":"https://y-uti.hatenablog.jp/entry/2015/09/13/174307","author_name":"y_uti","image_url":"http://cdn-ak.f.st-hatena.com/images/fotolife/y/y_uti/20150913/20150913164921.png","height":"190","categories":[],"provider_url":"https://hatena.blog","published":"2015-09-13 17:43:07","width":"100%","description":"\u4efb\u610f\u306e\u8ddd\u96e2\u95a2\u6570\u3092\u7528\u3044\u3066 k-means \u6cd5\u306b\u3088\u308b\u30af\u30e9\u30b9\u30bf\u30ea\u30f3\u30b0\u3092\u884c\u3046\u30d7\u30ed\u30b0\u30e9\u30e0\u3092\u4f5c\u6210\u3057\u307e\u3057\u305f\u3002\u30b3\u30fc\u30c9\u306f\u4ee5\u4e0b\u306e\u3068\u304a\u308a\u3067\u3059\u3002MATLAB \u3067\u5b9f\u88c5\u3057\u307e\u3057\u305f\u3002fminunc \u95a2\u6570\u3092\u5229\u7528\u3057\u3066\u3044\u308b\u305f\u3081\u3001\u5b9f\u884c\u306b\u306f MATLAB \u672c\u4f53\u306e\u307b\u304b\u306b Optimization Toolbox \u304c\u5fc5\u8981\u3067\u3059\u3002 function [idx, C] = mykmeans(X, k, distance) % \u30c7\u30fc\u30bf\u6570 (X \u306f n \u884c p \u5217\u306e\u884c\u5217\u3002n \u500b\u306e p \u6b21\u5143\u30c7\u30fc\u30bf\u3092\u8868\u3059) n = size(X, 1); % \u30c7\u30fc\u30bf\u304b\u3089\u30e9\u30f3\u30c0\u30e0\u306b k \u500b\u3092\u9078\u629e\u3059\u308b\u65b9\u6cd5\u3067\u30bb\u30f3\u30c8\u30ed\u30a4\u30c9\u3092\u521d\u671f\u5316\u3059\u308b C = X(randperm(n), :\u2026","type":"rich","html":"<iframe src=\"https://hatenablog-parts.com/embed?url=https%3A%2F%2Fy-uti.hatenablog.jp%2Fentry%2F2015%2F09%2F13%2F174307\" title=\"\u4efb\u610f\u306e\u8ddd\u96e2\u95a2\u6570\u3067 k-means \u6cd5\u3092\u5b9f\u884c\u3059\u308b - y_uti \u306e\u30d6\u30ed\u30b0\" class=\"embed-card embed-blogcard\" scrolling=\"no\" frameborder=\"0\" style=\"display: block; width: 100%; height: 190px; max-width: 500px; margin: 10px 0px;\"></iframe>","title":"\u4efb\u610f\u306e\u8ddd\u96e2\u95a2\u6570\u3067 k-means \u6cd5\u3092\u5b9f\u884c\u3059\u308b"}