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How to find the index of a row of 2D array (matrix) that contains an element in Python



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asked Feb 27, 2023 by avibootz
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1 Answer

0 votes 
import numpy as np
 
arr = np.array([[1, 2, 3], [4, 5, 6], [7, 8, 9], [10, 11, 12]])

element = 8

t = np.isin(arr, element)

print(np.nonzero(t)[0][0])




'''
run:

2

'''

 



answered Feb 27, 2023 by avibootz

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