Question

x乘一个矩阵得另一个矩阵,求x

Answer 1

A =

1 1 -1

2 1 0

1 -1 1

B =

1 1 3

4 3 2

1 2 5

X=B*A^-1

A^-1=

0.5000 0.0000 0.5000

-1.0000 1.0000 -1.0000

-1.5000 1.0000 -0.5000

所以X=

-5 4 -2

-4 5 -2

-9 7 -4