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Book4_Power-of-Matrix/Book4_Ch04_Python_Codes/Bk4_Ch4_06.py
2022-07-15 06:07:14 -04:00

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Python

###############
# Authored by Weisheng Jiang
# Book 4 | From Basic Arithmetic to Machine Learning
# Published and copyrighted by Tsinghua University Press
# Beijing, China, 2022
###############
# Bk4_Ch4_06.py
import numpy as np
A = np.array([[1, 2],
[3, 4]])
B = np.array([[2, 4],
[1, 3]])
# matrix multiplication
A_times_B = np.matmul(A, B)
A_times_B_2 = A@B