Question

matlab求矩阵A的逆矩阵,其中：A=[1 2 3;4 5 6;7 8 9]

Answer 1

A=[1 2 3;4 5 6;7 8 9];

>>inv(A)

ans =

1.0e+016 *

-0.4504 0.9007 -0.4504

0.9007 -1.8014 0.9007

-0.4504 0.9007 -0.4504