python 矩阵求逆

4X4矩阵求逆：

import numpy as np
A = np.mat("1 2 3 0; 4 5 6 0; 9 8 10 0;0 0 0 1")
print("A\n", A)
inverse = np.linalg.inv(A)
print("inverse: \n", inverse)