Example of adding a row or column to a python matrix_python

Below I will share with you an example of adding a row or column to a Python matrix. It has a good reference value and I hope it will be helpful to everyone. Let’s take a look together

Add rows to the matrix

np.row_stack() 与 np.column_stack()
import numpy as np
a = np.array([[4, 4,], [5, 5]])
c = np.row_stack((a, [8,9]))
d = np.column_stack((a, [8,9]))

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