{"blog_url":"https://seinzumtode.hatenadiary.jp/","provider_url":"https://hatena.blog","published":"2022-03-23 15:15:04","version":"1.0","author_url":"https://blog.hatena.ne.jp/seinzumtode/","html":"<iframe src=\"https://hatenablog-parts.com/embed?url=https%3A%2F%2Fseinzumtode.hatenadiary.jp%2Fentry%2F2022%2F03%2F23%2F151504\" title=\"\u8ef8\u306e\u5371\u967a\u901f\u5ea6\u306e\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>","height":"190","width":"100%","image_url":"https://cdn-ak.f.st-hatena.com/images/fotolife/s/seinzumtode/20220323/20220323151437.png","provider_name":"Hatena Blog","categories":[],"author_name":"seinzumtode","blog_title":"how to code something","description":"clear; close all; clc; E = 206e9; d = 0.1; I = pi/64*d^4; m = 30; l = 2; a = l/2; b = l/2; k = 6*E*I*l/(a*b*(l^2-a^2-b^2)); nc = 60/(2*pi)*sqrt(k/m); fprintf('\u5371\u967a\u901f\u5ea6: %.0f [rpm]\\n',nc); \u5b9f\u884c\u7d50\u679c \u5371\u967a\u901f\u5ea6: 4294 [rpm]","title":"\u8ef8\u306e\u5371\u967a\u901f\u5ea6\u306e\u8a08\u7b97","url":"https://seinzumtode.hatenadiary.jp/entry/2022/03/23/151504","type":"rich"}