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In [1]:

    
import numpy as np

A = np.array([[1, 2],[3, 4]])
B = np.array([[3, 0], [0, 6]])

A + B









    Out[1]:





array([[ 4,  2],
       [ 3, 10]])



In [2]:

    
A * B









    Out[2]:





array([[ 3,  0],
       [ 0, 24]])



In [3]:

    
A * 10









    Out[3]:





array([[10, 20],
       [30, 40]])



In [ ]: