[讨论]帮我看看这个对不
 

[SIZE="4"]clc;
clear;
A=[a11,a12,a13,…,a1n;a21,a22,a23,…,a2n;a31,a32,a33,…,a3n;…;an1,an2,an3,…,ann];
B=[b1;b2;b3;…;bn];
X=A\B
:tongue: [/SIZE]

我看对劲！

[QUOTE=chengtingming;9403]clc;
clear;
A=[a11,a12,a13,…,a1n;a21,a22,a23,…,a2n;a31,a32,a33,…,a3n;…;an1,an2,an3,…,ann];
B=[b1;b2;b3;…;bn];
X=A\B
:tongue:...[/QUOTE]

没有什么问题啊！