{"version":"1.0","categories":[],"provider_url":"https://hatena.blog","height":"190","type":"rich","blog_title":"how to code something","published":"2025-08-02 23:26:33","author_name":"seinzumtode","provider_name":"Hatena Blog","url":"https://seinzumtode.hatenadiary.jp/entry/2025/08/02/232633","width":"100%","author_url":"https://blog.hatena.ne.jp/seinzumtode/","title":"\u8fd1\u4f3cLDU\u5206\u89e3\u306b\u3088\u308b\u79fb\u6d41\u65b9\u7a0b\u5f0f\u306e\u8a08\u7b97","blog_url":"https://seinzumtode.hatenadiary.jp/","description":"clear; close all; c = 1.0; dt = 0.05; dx = 0.1; xmax = 5; xmin = -1; xs = xmin:dx:xmax; q = zeros(1,length(xs)); q(xs<0) = 1; plot(xs,q,'b'); ns = [0,16,32,48]; nmax = max(ns); qs = zeros(length(ns),length(q)); qs(1,:) = q; qs_index = 2; for k=1:nmax qold = q; dq = zeros(1,length(xs)); c_a = abs(c);\u2026","image_url":"https://cdn-ak.f.st-hatena.com/images/fotolife/s/seinzumtode/20250802/20250802232231.png","html":"<iframe src=\"https://hatenablog-parts.com/embed?url=https%3A%2F%2Fseinzumtode.hatenadiary.jp%2Fentry%2F2025%2F08%2F02%2F232633\" title=\"\u8fd1\u4f3cLDU\u5206\u89e3\u306b\u3088\u308b\u79fb\u6d41\u65b9\u7a0b\u5f0f\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>"}