求解一个方程组 求知道。
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clear
clc
ax=[6.4869 0];
ay=[0 -90.04];
az=[0 -128.39];
I1=ax+ay+az;
J=((ax-ay).^2+(ax-az).^2+(ay-az).^2)/6;
Lamda=1./sqrt(2.*J);
[a,b]=solve('a*J(1)/79.8^2+Lamda(1)*sqrt(J(1))/79.8+b*I1(1)/79.8-1=0','a*J2(2)/79.8^2+Lamda(2)*sqrt(J(2))/79.8+b*I1(2)/79.8-1=0');
就是一个很简单的方程组啊。。为何解不出a和b呢。。求帮助
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