# -*- coding: utf-8 -*-
"""
Created on Tue May 21 23:23:16 2019
@author: User
"""
import numpy as np
m1=np.mat([[1,2,3],[4,5,6]])
print('\nm1:')
print(m1)
print(m1 * 8)
m2=np.mat([[1,2,3],[4,5,6],[7,8,9]])
print('\nm2:')
print(m2)
print('\nm1 * m2:')
print(m1 * m2)
print(m2.I) 
运行:
 
m1: [[1 2 3]  [4 5 6]] [[ 8 16 24]  [32 40 48]]
 
m2: [[1 2 3]  [4 5 6]  [7 8 9]]
 
m1 * m2: [[30 36 42]  [66 81 96]] [[-4.50359963e+15  9.00719925e+15 -4.50359963e+15]  [ 9.00719925e+15 -1.80143985e+16  9.00719925e+15]  [-4.50359963e+15  9.00719925e+15 -4.50359963e+15]]