{"title":"\u76f4\u7dda\u3068\u70b9\u306e\u8ddd\u96e2","width":"100%","published":"2017-01-25 23:13:08","author_url":"https://blog.hatena.ne.jp/derwind/","blog_title":"\u3089\u3093\u3060\u3080\u306a\u8a18\u61b6","image_url":null,"blog_url":"https://randommemory.hatenablog.com/","html":"<iframe src=\"https://hatenablog-parts.com/embed?url=https%3A%2F%2Frandommemory.hatenablog.com%2Fentry%2F2017%2F01%2F25%2F231308\" title=\"\u76f4\u7dda\u3068\u70b9\u306e\u8ddd\u96e2 - \u3089\u3093\u3060\u3080\u306a\u8a18\u61b6\" class=\"embed-card embed-blogcard\" scrolling=\"no\" frameborder=\"0\" style=\"display: block; width: 100%; height: 190px; max-width: 500px; margin: 10px 0px;\"></iframe>","url":"https://randommemory.hatenablog.com/entry/2017/01/25/231308","author_name":"derwind","height":"190","provider_url":"https://hatena.blog","description":"\u76f4\u7dda $ax+by+c=0$ \u3068\u70b9 $(s,t)$ \u304c\u3042\u308b\u3068\u3057\u3066\u3001\u305d\u306e\u8ddd\u96e2\u306f\u3001 \\begin{equation} \\frac{|as+bt+c|}{\\sqrt{a^2+b^2}} \\end{equation}\u3067\u4e0e\u3048\u3089\u308c\u308b\u3002 $b(x-s)-a(y-t) = 0$ \u3068\u306e\u4ea4\u70b9\u3092\u6c42\u3081\u3066\u3001 $(s,t)$ \u304b\u3089\u306e\u8ddd\u96e2\u3092\u6c42\u3081\u3066\u6574\u7406\u3059\u308c\u3070\u3053\u3046\u306a\u308b\u3002 \u7d50\u69cb\u671f\u5f85\u3057\u305f\u304f\u306a\u308b\u3053\u3068\u3060\u304c\u3001\u305d\u306e\u671f\u5f85\u901a\u308a\u306b\u30b7\u30f3\u30d7\u30eb\u306a\u5f0f\u3067\u6c42\u307e\u308b\u306e\u304c\u826f\u3044\u3002","type":"rich","categories":["math-other"],"provider_name":"Hatena Blog","version":"1.0"}