Question

How to create a matrix (2D array) of index ordering values using NumPy in Python

Answer 1

import numpy as np

arr = np.arange(12).reshape((3, 4))

print(arr)



'''
run:

[[ 0  1  2  3]
 [ 4  5  6  7]
 [ 8  9 10 11]]

'''

 

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