matlab求10阶线性方程出现Warning:Matrix is singular to working precis

来源：学生作业帮编辑：搜搜做题作业网作业帮分类：数学作业时间：2024/07/24 14:46:19

matlab求10阶线性方程出现Warning:Matrix is singular to working precision.怎么破?
clear;
A=[1.75,0.75,-1,0,0,0,0,0,-0.75,-0.75;0.75,0.75,0,0,0,0,0,0,-0.75,-0.75;-1,0,1.75,-0.75,-1,0,-0.75,-0.75,-0.75,0.75;0,0,-0.75,0.75,0,0,-0.75,-0.75,0.75,-0.75;0,0,-1,0,1.75,-0.75,-0.75,0.75,0,0;0,0,0,0,-0.75,0.75,0.75,-0.75,0,0;0,0,0,0,-0.75,0.75,1.75,-0.75,-1,0;0,0,0,0,0.75,-0.75,-0.75,0.75,0,0;-0.75,-0.75,-0.75,0.75,0,0,-1,0,2.5,0;-0.75,-0.75,0.75,-0.75,0,0,0,0,0,1.5];
b=[-1,-1,0,-10000,-1,-1,20000,0,0,-30000]';
x=A\B

系数矩阵的秩为8,增广阵的秩为9,请检查方程

matlab求10阶线性方程出现Warning:Matrix is singular to working precis Warning: Matrix is singular to working precision. 用matlab画z的图.怎么提示Warning: Matrix is singular to working preci matlab中Warning:Matrix is singular to working precision.是什么错误 matlab错误：Warning:Matrix dimensions must agree,not rendering MATLAB 画图出现Matrix must be square matlab解方程组时出现了 Warning:System is inconsistent.Solution does matlab 中 regress函数警告：Warning: X is rank deficient to within matlab中提示Warning:Image is too big to fit on screen; displayi matlab编程中出现Matrix must be square.怎么办? Matlab出现Inner matrix dimensions must agree问题 Matlab中出现了Matrix must be square.