{"type":"rich","description":"y > mx + b\u304c\u3042\u306e\u3078\u3093\u306e\u9818\u57df\u3092\u3042\u3089\u308f\u3059\u30fc\u3068\u304b\u7fd2\u3063\u305f\u304b\u3089\u76f4\u7dda ax + by + c = 0\u306b\u5bfe\u3057\u3066\u70b9P(x1,y1),Q(x2,y2)\u304c\u540c\u3058\u5074\u306b\u3042\u308b \u21d4 ax + by + c\u306bP,Q\u306e\u5ea7\u6a19\u3092\u4ee3\u5165\u3057\u305f\u6642\u306e\u7b26\u53f7\u304c\u540c\u3058 \u21d4 (a*x1 + b*y1 + c) * (a*x2 + b*y2 + c) > 0\u76f4\u7dda\u306a\u306e\u3067\u3082\u3061\u308d\u3093a\u22600\u307e\u305f\u306fb\u22600 \u3072\u3068\u308a\u3054\u3068\u306a\u306e\u3067\u5168\u304f\u4fdd\u8a3c\u51fa\u6765\u307e\u305b\u3093","image_url":null,"height":"190","width":"100%","author_url":"https://blog.hatena.ne.jp/cookie-s/","author_name":"cookie-s","title":"\u3042\u305f\u308a\u307e\u3048","blog_url":"https://cookies.hatenablog.jp/","categories":["\u5099\u5fd8\u9332"],"provider_name":"Hatena Blog","url":"https://cookies.hatenablog.jp/entry/2013/04/10/213802","blog_title":"cookies.txt\u3000\u3000\u3000\u3000\u3000\u3000.scr","provider_url":"https://hatena.blog","published":"2013-04-10 21:38:02","html":"<iframe src=\"https://hatenablog-parts.com/embed?url=https%3A%2F%2Fcookies.hatenablog.jp%2Fentry%2F2013%2F04%2F10%2F213802\" title=\"\u3042\u305f\u308a\u307e\u3048 - cookies.txt\u3000\u3000\u3000\u3000\u3000\u3000.scr\" 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"}