{"blog_url":"https://nworks.hateblo.jp/","type":"rich","blog_title":"No science, No life.","image_url":"https://cdn-ak.f.st-hatena.com/images/fotolife/n/neocortex/20210418/20210418164731.png","provider_url":"https://hatena.blog","width":"100%","title":"\u975e\u7dda\u5f62\u6b21\u5143\u524a\u6e1b\u6cd5 Isomap \u3067\u30b9\u30a4\u30b9\u30ed\u30fc\u30eb\u3092\u958b\u3044\u3066\u307f\u305f","height":"190","html":"<iframe src=\"https://hatenablog-parts.com/embed?url=https%3A%2F%2Fnworks.hateblo.jp%2Fentry%2F2021%2F04%2F18%2F164903\" title=\"\u975e\u7dda\u5f62\u6b21\u5143\u524a\u6e1b\u6cd5 Isomap \u3067\u30b9\u30a4\u30b9\u30ed\u30fc\u30eb\u3092\u958b\u3044\u3066\u307f\u305f - No science, No life.\" class=\"embed-card embed-blogcard\" scrolling=\"no\" frameborder=\"0\" style=\"display: block; width: 100%; height: 190px; max-width: 500px; margin: 10px 0px;\"></iframe>","version":"1.0","published":"2021-04-18 16:49:03","provider_name":"Hatena Blog","author_url":"https://blog.hatena.ne.jp/neocortex/","url":"https://nworks.hateblo.jp/entry/2021/04/18/164903","author_name":"neocortex","description":"\u591a\u69d8\u4f53\u5b66\u7fd2 (manifold learning) \u306b\u3088\u308b\u975e\u7dda\u5f62\u6b21\u5143\u524a\u6e1b\u6cd5 Isomap \u3092\u4f7f\u3063\u3066\u3001\u30b9\u30a4\u30b9\u30ed\u30fc\u30eb\u98a8\u306e 3 \u6b21\u5143\u30c7\u30fc\u30bf\u3092\u958b\u3044\u3066 2 \u6b21\u5143\u306b\u3057\u3066\u307f\u307e\u3057\u305f\u3002MATLB \u3067\u66f8\u3044\u3066\u3044\u307e\u3059\u3002\u81ea\u5206\u3067\u9069\u5f53\u306b\u30b9\u30a4\u30b9\u30ed\u30fc\u30eb\u3092\u4f5c\u308a\u3001 % swiss roll data npt= 1000; t = linspace(0,2*pi*1.5,npt); r = linspace(1,10,npt); x = r .* cos(t); y = r .* sin(t); z = rand(1,npt)*6; c = linspace(0,1,npt); % plot swiss roll figure(1)\u2026","categories":["Matlab"]}