博客

python求逆矩阵

  • Post author:
  • Post category:python

方法1：

from numpy import *
 
import numpy as np
 
A=np.array([[1,2],[3,4]])
B=np.linalg.inv(A)
 
print(B)
 
print(np.dot(B,A))

方法2：


 
from numpy import *
 
 
a1 = mat([[1, 2], [3, 4]])
 
 
a2 = a1.I
 
print(a2)
 

print(a2*a1)