Answers for "how to take first row from numpy array in python"

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1

python how to copy a 2d array leaving out last column

In [1]: import numpy as np

In [2]: H = np.meshgrid(np.arange(5), np.arange(5))[0]

In [3]: H
Out[3]: 
array([[0, 1, 2, 3, 4],
       [0, 1, 2, 3, 4],
       [0, 1, 2, 3, 4],
       [0, 1, 2, 3, 4],
       [0, 1, 2, 3, 4]])

In [4]: Hsub = H[1:-1,1:-1]

In [5]: Hsub
Out[5]: 
array([[1, 2, 3],
       [1, 2, 3],
       [1, 2, 3]])

Posted by: Guest on November-26-2020

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