{"description":"\u3044\u308f\u3086\u308b\u300c\u653e\u7269\u7dda\u300d\u3082\u3053\u306e\u7bc4\u7587\u306b\u5165\u308b\u3002 \u653e\u7269\u7dda\uff08\u5e0c:\u03c0\u03b1\u03c1\u03b1\u03b2\u03bf\u03bb\u03ae\u300cparabol\u0113\u300d\u3001\u7f85\u3001\u82f1: parabola\u3001\u72ec: Parabel\uff09 - Wikipedia \u305d\u306e\u540d\u306e\u901a\u308a\u5730\u8868\uff08\u3064\u307e\u308a\u91cd\u529b\u4e0b\uff09\u3067\u6295\u5c04\u3057\u305f\u7269\u4f53\u306e\u904b\u52d5\uff08\u653e\u7269\u904b\u52d5\uff09\u304c\u63cf\u304f\u8ecc\u8de1\u306e\u3053\u3068\u3067\u3042\u308a\u3001 \u653e\u7269\u7dda\u3092\u305d\u306e\u5bfe\u79f0\u8ef8\u3092\u4e2d\u5fc3\u3068\u3057\u3066\u56de\u8ee2\u3055\u305b\u305f\u66f2\u9762\u3092\u653e\u7269\u9762\u3068\u3044\u3046\u3002\u6570\u5b66\u7684\u306a\u5b9a\u7fa9\u3068\u3057\u3066\u3088\u304f\u77e5\u3089\u308c\u305f\u3082\u306e\u306f\u3044\u304f\u3064\u304b\u306e\u65b9\u6cd5\u304c\u3042\u308b\u304c\u3001\u3044\u305a\u308c\u3082\u9069\u5f53\u306a\u67a0\u7d44\u307f\u3067\u4e92\u3044\u306b\u4ed6\u3092\u5c0e\u51fa\u3059\u308b\u3053\u3068\u304c\u3067\u304d\u308b\u7b49\u4fa1\u306a\u3082\u306e\u3067\u3042\u308b\u3002 \u5e73\u9762\u5e7e\u4f55\u5b66\uff08Euclidean geometry\uff09 \u6e96\u7dda (directrix) \u3068\u547c\u3070\u308c\u308b\u76f4\u7dda L \u3068\u3001\u305d\u306e\u4e0a\u306b\u306a\u3044\u7126\u70b9 (focus) \u3068\u547c\u3070\u308c\u308b\u4e00\u70b9\u2026","type":"rich","url":"https://ochimusha02.hatenadiary.com/entry/2019/06/06/184111","author_url":"https://blog.hatena.ne.jp/ochimusha01/","width":"100%","version":"1.0","height":"190","published":"2019-06-06 18:41:11","image_url":"https://cdn-ak.f.st-hatena.com/images/fotolife/o/ochimusha01/20190605/20190605182644.png","blog_title":"\u300c\u8af8\u6982\u5ff5\u306e\u8ff7\u5bae\uff08Things got frantic\uff09\u300d\u7528\u8a9e\u96c6","author_name":"ochimusha01","html":"<iframe src=\"https://hatenablog-parts.com/embed?url=https%3A%2F%2Fochimusha02.hatenadiary.com%2Fentry%2F2019%2F06%2F06%2F184111\" title=\"\u3010\u6570\u7406Computing\u306e\u57fa\u790e\u3011\u4e8c\u6b21\u95a2\u6570\uff08\u653e\u7269\u7dda\uff09\u306b\u3064\u3044\u3066 - \u300c\u8af8\u6982\u5ff5\u306e\u8ff7\u5bae\uff08Things got frantic\uff09\u300d\u7528\u8a9e\u96c6\" class=\"embed-card embed-blogcard\" scrolling=\"no\" frameborder=\"0\" style=\"display: block; width: 100%; height: 190px; max-width: 500px; margin: 10px 0px;\"></iframe>","categories":[],"provider_url":"https://hatena.blog","title":"\u3010\u6570\u7406Computing\u306e\u57fa\u790e\u3011\u4e8c\u6b21\u95a2\u6570\uff08\u653e\u7269\u7dda\uff09\u306b\u3064\u3044\u3066","provider_name":"Hatena Blog","blog_url":"https://ochimusha02.hatenadiary.com/"}