{"url":"https://obelisk.hatenablog.com/entry/2017/06/05/170024","blog_title":"Camera Obscura","published":"2017-06-05 17:00:24","categories":["Ruby","\u6570\u5b66"],"blog_url":"https://obelisk.hatenablog.com/","provider_name":"Hatena Blog","author_url":"https://blog.hatena.ne.jp/obelisk2/","height":"190","html":"<iframe src=\"https://hatenablog-parts.com/embed?url=https%3A%2F%2Fobelisk.hatenablog.com%2Fentry%2F2017%2F06%2F05%2F170024\" title=\"Ruby \u3067\u30ed\u30fc\u30ec\u30f3\u30c4\u30a2\u30c8\u30e9\u30af\u30bf\u3092\u63cf\u753b\u3059\u308b - Camera Obscura\" class=\"embed-card embed-blogcard\" scrolling=\"no\" frameborder=\"0\" style=\"display: block; width: 100%; height: 190px; max-width: 500px; margin: 10px 0px;\"></iframe>","author_name":"obelisk2","version":"1.0","image_url":"http://img.f.hatena.ne.jp/images/fotolife/o/obelisk2/20170605/20170605165531.png","type":"rich","provider_url":"https://hatena.blog","description":"Ruby + gnuplot \u3067\u30ed\u30fc\u30ec\u30f3\u30c4\u30a2\u30c8\u30e9\u30af\u30bf\u3092\u63cf\u3044\u3066\u307f\u307e\u3057\u305f\u3002 \u5168\u4f53\u7684\u306b\u3053\u3053\u306a\u3069\u3092\u53c2\u8003\u306b\u3057\u307e\u3057\u305f\u3002\u5fae\u5206\u65b9\u7a0b\u5f0f\u306f\u30aa\u30a4\u30e9\u30fc\u6cd5\uff08\u53c2\u8003\uff09\u3067\u6570\u5024\u8a08\u7b97\u3057\u3066\u3044\u307e\u3059\u3002gnuplot \u3067\u306e\u63cf\u753b\u306f numo/gnuplot \u3068\u3044\u3046 Gem \u3092\u4f7f\u3063\u3066\u3044\u307e\u3059\u3002 require 'numo/gnuplot' fx = lambda {|x, y, z, r, p, b| -p * x + p * y} fy = lambda {|x, y, z, r, p, b| -x * z + r * x - y} fz = lambda {|x, y, z, r, p, b| x * y - b * z} dt = 1e\u2026","title":"Ruby \u3067\u30ed\u30fc\u30ec\u30f3\u30c4\u30a2\u30c8\u30e9\u30af\u30bf\u3092\u63cf\u753b\u3059\u308b","width":"100%"}