Question

How to transform each element of a NumPy array into a row in a 3D array with Python

Answer 1

import numpy as np
 
arr = np.array([[1,2,3], [4,5,6], [7,8,9]])
print(arr, "\n\n\n")
 
multiarr = np.dstack((arr, arr, arr))
print(multiarr)
 
 
'''
run:
  
[[1 2 3]
 [4 5 6]
 [7 8 9]] 



[[[1 1 1]
  [2 2 2]
  [3 3 3]]

 [[4 4 4]
  [5 5 5]
  [6 6 6]]

 [[7 7 7]
  [8 8 8]
  [9 9 9]]]
  
'''

 

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