In this example we will show how to stack NumPy arrays along columns using the vstack() function in Python.
Source Code
import numpy as np
a = np.array([1, 2, 3, 4])
b = np.array([5, 6, 7, 8])
c = np.vstack((a, b))
print(c)
Output:
[[1 2 3 4]
[5 6 7 8]]