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Book4_Power-of-Matrix/Book4_Ch04_Python_Codes/Bk4_Ch4_14.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_14.py
import numpy as np
A = np.array([[1,2],
[3,4]])
B = np.array([[5,6],
[7,8]])
# Hadamard product
A_times_B_piecewise = np.multiply(A,B)
A_times_B_piecewise_V2 = A*B