{"html":"<iframe src=\"https://hatenablog-parts.com/embed?url=https%3A%2F%2Fany119some1119.hatenablog.com%2Fentry%2F2018%2F08%2F11%2F130804\" title=\"\u30e1\u30d3\u30a6\u30b9\u5909\u63db\u3092\u5206\u89e3\u3059\u308b\u3053\u3068\u3067\u3001\u30e1\u30d3\u30a6\u30b9\u5909\u63db\u306e\u3082\u3064\u591a\u304f\u306e\u6027\u8cea\u3092\u6d6e\u304d\u5f6b\u308a\u306b\u3059\u308b\u3053\u3068\u304c\u3067\u304d\u308b\u3002\u8907\u6bd4 (Cross-ratio) \u306f\u30e1\u30d3\u30a6\u30b9\u5909\u63db\u3067\u4e0d\u5909\u3067\u3042\u308b\u3002 - \u4e80\u5c71\u5c1a\u8f1d\u306e\u65e5\u8a18\" class=\"embed-card embed-blogcard\" scrolling=\"no\" frameborder=\"0\" style=\"display: block; width: 100%; height: 190px; max-width: 500px; margin: 10px 0px;\"></iframe>","blog_url":"https://any119some1119.hatenablog.com/","title":"\u30e1\u30d3\u30a6\u30b9\u5909\u63db\u3092\u5206\u89e3\u3059\u308b\u3053\u3068\u3067\u3001\u30e1\u30d3\u30a6\u30b9\u5909\u63db\u306e\u3082\u3064\u591a\u304f\u306e\u6027\u8cea\u3092\u6d6e\u304d\u5f6b\u308a\u306b\u3059\u308b\u3053\u3068\u304c\u3067\u304d\u308b\u3002\u8907\u6bd4 (Cross-ratio) \u306f\u30e1\u30d3\u30a6\u30b9\u5909\u63db\u3067\u4e0d\u5909\u3067\u3042\u308b\u3002","provider_url":"https://hatena.blog","width":"100%","provider_name":"Hatena Blog","blog_title":"\u4e80\u5c71\u5c1a\u8f1d\u306e\u65e5\u8a18","description":"\u5e7e\u4f55\u5b66\u306b\u304a\u3051\u308b\u5e73\u9762\u4e0a\u306e\u30e1\u30d3\u30a6\u30b9\u5909\u63db\uff08\u30e1\u30d3\u30a6\u30b9\u3078\u3093\u304b\u3093\u3001\u82f1: M\u00f6bius transformation\uff09\u306f\u3001 \u306e\u5f62\u3067\u8868\u3055\u308c\u308b\u8907\u7d20\u4e00\u5909\u6570 z \u306b\u95a2\u3059\u308b\u6709\u7406\u51fd\u6570\u3067\u3042\u308b\u3002\u3053\u3053\u3067\u3001\u4fc2\u6570 a, b, c, d \u306f ad \u2212 bc \u2260 0\u3092\u6e80\u8db3\u3059\u308b\u8907\u7d20\u5b9a\u6570\u3067\u3042\u308b\u3002 \u5e7e\u4f55\u5b66\u7684\u306b\u306f\u30e1\u30d3\u30a6\u30b9\u5909\u63db\u306f\u3001\u8907\u7d20\u6570\u5e73\u9762\u3092\u5b9f\u4e8c\u6b21\u5143\u7403\u9762\u3078\u7acb\u4f53\u5c04\u5f71\u3057\u305f\u3082\u306e\u306e\u4e0a\u3067\u56de\u8ee2\u3068\u5e73\u884c\u79fb\u52d5\u306b\u3088\u308a\u5404\u70b9\u306e\u4f4d\u7f6e\u3068\u5411\u304d\u3092\u5909\u66f4\u3057\u305f\u3082\u306e\u3092\u518d\u5ea6\u5e73\u9762\u306b\u7acb\u4f53\u5c04\u5f71\u3059\u308b\u3053\u3068\u306b\u3088\u3063\u3066\u5f97\u3089\u308c\u308b[1]\u3002\u3053\u308c\u3089\u306e\u5909\u63db\u306f\u300c\u89d2\u5ea6\u300d\u3092\u4fdd\u3061\uff08\u300c\u7b49\u89d2\u6027\u300d\uff09\u3001\u4efb\u610f\u306e\u300c\u76f4\u7dda\u307e\u305f\u306f\u5186\u300d\u3092\u300c\u76f4\u7dda\u307e\u305f\u306f\u5186\u300d\u306b\u5199\u3059\uff08\u300c\u5186\u5186\u5bfe\u5fdc\u300d\uff09\u3002 \u30e1\u30d3\u30a6\u30b9\u5909\u63db\u306f\u8907\u7d20\u5c04\u5f71\u76f4\u7dda\u4e0a\u306e\u5c04\u5f71\u5909\u63db\u3067\u3042\u308a\u3001\u305d\u306e\u5168\u4f53\u306f\u30e1\u2026","categories":[],"author_name":"any119some1119","image_url":null,"height":"190","author_url":"https://blog.hatena.ne.jp/any119some1119/","type":"rich","version":"1.0","published":"2018-08-11 13:08:04","url":"https://any119some1119.hatenablog.com/entry/2018/08/11/130804"}