Question

这道题目用matlab如何解决？

如何算出S2 S1 a12，m是米

Answer 1

% 整理一下方程
% S1*0.3015 + a12*0.9487 + S2*0 = -8
% S1*0.9045 + a12*(-0.3162) + S2*0 = -3
% S1*0.3015 + a12*0 + S2 = -2
% 根据Ax = b , b = A^(-1)b ，这里看不懂去复习线性代数

A = [0.3015,0.9487,0;0.9045,-0.3162,0;0.3015,0,1];
b = [-8;-3;-2];
x = A^(-1)*b;
x