seinzumtode https://blog.hatena.ne.jp/seinzumtode/ how to code something https://seinzumtode.hatenadiary.jp/ clear; close all;clc; A = [2 2 1; 3 6 2; 4 -2 5]; b = [4 2 8]'; [L, U] = lu_nopivot(A); y = forward_subs(L,b) [U2,y2] = forward_elim(U,y); %一度対角成分の係数をゼロにする必要あり x = backward_subs(U2,y2); function [L,U] = lu_nopivot(A) n=size(A,1); L=eye(n); for k=1:n L(k+1:n,k) = A(k+1:n,k)/A(k,k); for l=k+1:n A(l,:)… 190 <iframe src="https://hatenablog-parts.com/embed?url=https%3A%2F%2Fseinzumtode.hatenadiary.jp%2Fentry%2F2025%2F04%2F12%2F142817" title="LU分解での連立方程式の解放 - 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> Hatena Blog https://hatena.blog 2025-04-12 14:28:17 rich https://seinzumtode.hatenadiary.jp/entry/2025/04/12/142817 1.0 100%