{"published":"2017-12-18 06:15:18","version":"1.0","provider_url":"https://hatena.blog","title":"C\u8a00\u8a9e\u306e atan2(y,x) \u3092 arccos \u3068 sgn \u3092\u4f7f\u3063\u3066\u66f8\u3044\u3066\u307f\u305f","categories":[],"author_name":"arakik10","blog_title":"\u3042\u3089\u304d\u3051\u3044\u3059\u3051\u306e\u30e1\u30e2\u5e33","provider_name":"Hatena Blog","height":"190","html":"<iframe src=\"https://hatenablog-parts.com/embed?url=https%3A%2F%2Farakik10.hatenablog.com%2Fentry%2F2017%2F12%2F18%2F061518\" title=\"C\u8a00\u8a9e\u306e atan2(y,x) \u3092 arccos \u3068 sgn \u3092\u4f7f\u3063\u3066\u66f8\u3044\u3066\u307f\u305f - \u3042\u3089\u304d\u3051\u3044\u3059\u3051\u306e\u30e1\u30e2\u5e33\" class=\"embed-card embed-blogcard\" scrolling=\"no\" frameborder=\"0\" style=\"display: block; width: 100%; height: 190px; max-width: 500px; margin: 10px 0px;\"></iframe>","description":"\u6388\u696d\u7528\u306e\u899a\u66f8\uff1a\u95a2\u6570\u96fb\u5353\u3082\u305d\u3046\u3060\u304c\u3001\u5ea7\u6a19\u306e\u504f\u89d2\u3092\u6c42\u3081\u308b\u3068\u304d\u306b\u3001\u3067\u306f\u7b2c3\u8c61\u9650, \u7b2c4\u8c61\u9650\u306e\u5024\u3092\u8fd4\u3055\u306a\u3044\u306e\u3067\u3001C\u8a00\u8a9e\u306e atan2(y,x) \u3068\u540c\u3058\u52d5\u4f5c\u306e\u95a2\u6570\u3092\u6a19\u6e96\u7684\u306a\u6570\u5b66\u95a2\u6570arccos, sgn\u306e\u7d44\u307f\u5408\u308f\u305b\u3067\u4f5c\u3063\u3066\u307f\u305f\u3002\u5b9a\u7fa9\u57df\u306f. \u306a\u305c\u521d\u7b49\u95a2\u6570\u306b\u306a\u3044\u306e\u3060\u308d\u3046\uff1f 2023.7.4 desmos\u3092\u4f7f\u3063\u3066\u5b9f\u88c5\u3057\u3066\u307f\u305f www.desmos.com","image_url":"http://chart.apis.google.com/chart?cht=tx&chl=%28a%2Cb%29","type":"rich","url":"https://arakik10.hatenablog.com/entry/2017/12/18/061518","width":"100%","author_url":"https://blog.hatena.ne.jp/arakik10/","blog_url":"https://arakik10.hatenablog.com/"}