Question

How to remove some multiple elements from numpy array in Python

Answer 1

import numpy as np

arr = np.array([1,2,3,4,5,6,7,8,9,10,11,12,13,14])
to_remove = np.array([3,6,7,11])

remained_indexes = (np.isin(arr, to_remove)==False).nonzero()[0]

arr = arr[remained_indexes]

print(arr)

  
  
  
'''
run:
 
[ 1  2  4  5  8  9 10 12 13 14]

'''

 

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