{"width":"100%","type":"rich","provider_name":"Hatena Blog","html":"<iframe src=\"https://hatenablog-parts.com/embed?url=https%3A%2F%2Frubytips86.hatenablog.com%2Fentry%2F2014%2F04%2F01%2F185428\" title=\"\u6570\u5024\u306e\u7d76\u5bfe\u5024\u3092\u6c42\u3081\u308b - Ruby Tips!\" class=\"embed-card embed-blogcard\" scrolling=\"no\" frameborder=\"0\" style=\"display: block; width: 100%; height: 190px; max-width: 500px; margin: 10px 0px;\"></iframe>","description":"Ruby\u3067\u6570\u5024\u306e\u7d76\u5bfe\u5024\u3092\u6c42\u3081\u308b\u306b\u306fNumeric#abs\u3092\u4f7f\u3046\u3002 \u6574\u6570\u3084\u6d6e\u52d5\u5c0f\u6570\u70b9\u6570\u306e\u307b\u304b\u8907\u7d20\u6570\u306e\u7d76\u5bfe\u5024\u3082\u3053\u306e\u30e1\u30bd\u30c3\u30c9\u3067\u6c42\u3081\u3089\u308c\u308b\u3002 require 'complex' p -1.abs #=> 1 p -1.0.abs #=> 1.0 p Complex(-1, -1).abs #=> 1.4142135623730951","provider_url":"https://hatena.blog","blog_url":"https://rubytips86.hatenablog.com/","image_url":null,"version":"1.0","author_name":"rubytips86","categories":[],"blog_title":"Ruby Tips!","height":"190","published":"2014-04-01 18:54:28","title":"\u6570\u5024\u306e\u7d76\u5bfe\u5024\u3092\u6c42\u3081\u308b","url":"https://rubytips86.hatenablog.com/entry/2014/04/01/185428","author_url":"https://blog.hatena.ne.jp/rubytips86/"}