{"categories":["Scheme"],"author_name":"tanakaBox","description":"\u307e\u3060\u307e\u3060\u3001\u89e3\u8aac\u304c\u7d9a\u304f\u3002 \u30bf\u30b0\u3064\u304d\u30c7\u30fc\u30bf \u8907\u7d20\u6570\u8868\u73fe\u3092\u300c\u578b\u30bf\u30b0\u300d\u3067\u8868\u73fe\u3057\u3088\u3046\u3068\u3044\u3046\u304a\u8a71\u3057\u3002\u524d\u56de\u306e\u304c\u3001 struct complex-rectangular { int type; double real; double imag; }; struct complex-poler { int type; double magnitude; double angle; }; \u3068\u306a\u3063\u305f\u3002\u307e\u3041\u307e\u3041\u7121\u96e3\u306a\u89e3\u6c7a\u6cd5\u3002\u50d5\u306eScheme\u5b9f\u88c5\u3082\u3053\u3093\u306a\u611f\u3058\u30c7\u30b9\u3002 \u3082\u3046\u3061\u3087\u3063\u3068\u62bd\u8c61\u5316 \u3069\u3046\u3082\u540c\u3058\u3088\u3046\u306a\u8868\u73fe\u304c\u7d9a\u3044\u3066\u3044\u308b\u306e\u3067\u3001 (define (switcher x rectangler polar) ((cond ((r\u2026","author_url":"https://blog.hatena.ne.jp/tanakaBox/","type":"rich","width":"100%","blog_title":"\u30dc\u30af\u30ce\u30b9","blog_url":"https://boxnos.hatenablog.com/","url":"https://boxnos.hatenablog.com/entry/20071223/1198417843","provider_url":"https://hatena.blog","provider_name":"Hatena Blog","height":"190","version":"1.0","title":" SICP\u3092\u8aad\u3080(83) 2.4.2 \u30bf\u30b0\u3064\u304d\u30c7\u30fc\u30bf","html":"<iframe src=\"https://hatenablog-parts.com/embed?url=https%3A%2F%2Fboxnos.hatenablog.com%2Fentry%2F20071223%2F1198417843\" title=\" SICP\u3092\u8aad\u3080(83) 2.4.2 \u30bf\u30b0\u3064\u304d\u30c7\u30fc\u30bf - \u30dc\u30af\u30ce\u30b9\" class=\"embed-card embed-blogcard\" scrolling=\"no\" frameborder=\"0\" style=\"display: block; width: 100%; height: 190px; max-width: 500px; margin: 10px 0px;\"></iframe>","published":"2007-12-23 22:50:43","image_url":null}