{"height":"190","title":"\u5272\u7dda\u6cd5\u306b\u3088\u308b3\u6b21\u65b9\u7a0b\u5f0f\u306e\u89e3\u306e\u6570\u5024\u8a08\u7b97","published":"2020-05-19 10:05:02","url":"https://seinzumtode.hatenadiary.jp/entry/2020/05/19/100502","width":"100%","blog_title":"how to code something","type":"rich","html":"<iframe src=\"https://hatenablog-parts.com/embed?url=https%3A%2F%2Fseinzumtode.hatenadiary.jp%2Fentry%2F2020%2F05%2F19%2F100502\" title=\"\u5272\u7dda\u6cd5\u306b\u3088\u308b3\u6b21\u65b9\u7a0b\u5f0f\u306e\u89e3\u306e\u6570\u5024\u8a08\u7b97 - how to code something\" class=\"embed-card embed-blogcard\" scrolling=\"no\" frameborder=\"0\" style=\"display: block; width: 100%; height: 190px; max-width: 500px; margin: 10px 0px;\"></iframe>","author_name":"seinzumtode","image_url":"https://chart.apis.google.com/chart?cht=tx&chl=%20x%5E3%2B6x%5E2%2B21x%2B32%3D0","provider_url":"https://hatena.blog","version":"1.0","author_url":"https://blog.hatena.ne.jp/seinzumtode/","blog_url":"https://seinzumtode.hatenadiary.jp/","description":"\u30ab\u30eb\u30c0\u30ce\u306e\u65b9\u6cd5\u306b\u3088\u3063\u3066\u3001\u89e3\u306f =-2.637834253 =1.6810829-3.0504302i =-1.6810829\u2010 +3.0504302i\u30de\u30e9\u30fc\u6cd5\u306b\u6bd4\u3079\u3066\u5b9f\u88c5\u304c\u304b\u306a\u308a\u7c21\u5358\u3060\u3063\u305f\u3002 \u7cbe\u5ea6\u3082\u554f\u984c\u306a\u3055\u305d\u3046\u306a\u306e\u3067\u3001\u307e\u305a\u5272\u7dda\u6cd5\u306e\u5229\u7528\u3092\u8003\u3048\u305f\u65b9\u304c\u826f\u3055\u305d\u3046\u3002 clear; close all; f = @(x) x^3+6*x^2+21*x+32; buf=20; x=zeros(1,buf); x(1)=0; x(2)=-1; k=2; res=1e4; delta=1e-8; while res>delta x(k+1) = (x(k)*f(x(k-1))-x(k-1)*f(x(k)))/.\u2026","categories":[],"provider_name":"Hatena Blog"}