Question

How to use boolean and math expression on numpy array elements in Python

Answer 1

import numpy as np
 
arr = np.array([2, 4, 7, 8, 12, 19])
print(arr[arr%2==0]**2)
               

 
'''
run:
 
[  4  16  64 144] 
 
'''

 

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Answer 2

import numpy as np
 
arr = np.array([2, 4, 7, 8, 12, 19, 27])
print(arr[arr%3==0])
               

 
'''
run:
 
[12 27]
 
'''

 

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