numpy stack arrays vertically
import numpy as np
# ensure same shape of arrays to be stacked.
a = np.arange(10).reshape(2,-1)
b = np.repeat(1, 10).reshape(2,-1)
# use vstack() to stack by row.
out = np.vstack((a,b))
## print output
print(out)
# a
# bpython numpy vstack
>>> a = np.array([[1], [2], [3]])
>>> b = np.array([[2], [3], [4]])
>>> np.vstack((a,b))
array([[1],
[2],
[3],
[2],
[3],
[4]])vstack numpy
>>> a = np.array([[1], [2], [3]])
>>> b = np.array([[4], [5], [6]])
>>> np.vstack((a,b))
array([[1],
[2],
[3],
[4],
[5],
[6]])Copyright © 2021 Codeinu
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