{"version":"1.0","html":"<iframe src=\"https://hatenablog-parts.com/embed?url=https%3A%2F%2Ffornext1119.hatenablog.com%2Fentry%2F20131130%2Fp3\" title=\" Clojure \u3067 \u9023\u5206\u6570\u5c55\u958b\u3092\u4f7f\u3063\u3066 \u03c0 \u3092\u6c42\u3081\u308b - ONLY DO WHAT ONLY YOU CAN DO\" class=\"embed-card embed-blogcard\" scrolling=\"no\" frameborder=\"0\" style=\"display: block; width: 100%; height: 190px; max-width: 500px; margin: 10px 0px;\"></iframe>","provider_name":"Hatena Blog","blog_title":"ONLY DO WHAT ONLY YOU CAN DO","height":"190","published":"2013-11-30 00:00:00","author_url":"https://blog.hatena.ne.jp/fornext1119/","blog_url":"https://fornext1119.hatenablog.com/","title":" Clojure \u3067 \u9023\u5206\u6570\u5c55\u958b\u3092\u4f7f\u3063\u3066 \u03c0 \u3092\u6c42\u3081\u308b","width":"100%","categories":["Clojure","\u6570\u5024\u8a08\u7b97","\u9023\u5206\u6570\u5c55\u958b","\u03c0"],"type":"rich","url":"https://fornext1119.hatenablog.com/entry/20131130/p3","provider_url":"https://hatena.blog","image_url":"http://cdn-ak.f.st-hatena.com/images/fotolife/f/fornext1119/20131128/20131128155854.png","author_name":"fornext1119","description":"\u03c0\u306e\u6c42\u3081\u65b9 \u3053\u3046\u66f8\u3044\u3066\u3082\u304a\uff4b ;\u81ea\u4f5c\u306e\u9006\u6b63\u63a5\u95a2\u6570 (defn myAtan [x x2 n t] (def m (quot n 2)) (def denom (/ (* (* m m) x2) (+ n t))) (def nume (- n 2)) (if (<= nume 1) (/ x (+ 1 denom)) (myAtan x x2 nume denom))) (doseq [degree (map #(- (* % 15) 45) (range 0 7))] (do (def radian (/ (* degree (. Math PI)) 180.0)) (def x2 (* r\u2026"}