{"published":"2012-06-06 16:14:56","provider_url":"https://hatena.blog","description":"\u6982\u8aac\u5fae\u5206\u7a4d\u5206\u306e\u554f\u984c3.21\u306e\u89e3\u7b54\u3002x^3 + x^2 - 3 = 0 \u3068 x^4 - x - 1 = 0 \u3092\u89e3\u304f\u554f\u984c\u3002 def f1(x): return float(x) ** 3 + float(x) ** 2 - 3 def df1(x): return 3. * float(x) ** 2 + 2. * x def f2(x): return float(x) ** 4 - float(x) - 1 def df2(x): return 4. * float(x) ** 3 - 1 def newton(f, df, a0, n): if n == 0: return a0 a = n\u2026","image_url":null,"provider_name":"Hatena Blog","author_url":"https://blog.hatena.ne.jp/hiratara/","categories":["\u6570\u5b66","\u6280\u8853"],"type":"rich","version":"1.0","html":"<iframe src=\"https://hatenablog-parts.com/embed?url=https%3A%2F%2Fhiratara.hatenadiary.jp%2Fentry%2F20120606%2F1338966896\" title=\"\u554f\u984c3.21\u306e\u89e3\u7b54(\u30cb\u30e5\u30fc\u30c8\u30f3\u6cd5) - Pixel Pedals of Tomakomai\" class=\"embed-card embed-blogcard\" scrolling=\"no\" frameborder=\"0\" style=\"display: block; width: 100%; height: 190px; max-width: 500px; margin: 10px 0px;\"></iframe>","title":"\u554f\u984c3.21\u306e\u89e3\u7b54(\u30cb\u30e5\u30fc\u30c8\u30f3\u6cd5)","author_name":"hiratara","height":"190","blog_title":"Pixel Pedals of Tomakomai","width":"100%","url":"https://hiratara.hatenadiary.jp/entry/20120606/1338966896","blog_url":"https://hiratara.hatenadiary.jp/"}