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
# b

Similar codes

-1 vote138 views4 answers
Play video in colab
Python
3 votes142 views2 answers
Tables in python
Python
0 vote129 views1 answer
Py2exe no console
Python
2 votes134 views4 answers
Pandas difference between two dataframes
Python
4 votes134 views1 answer
Python today - 1 day
Python
0 vote136 views2 answers
Module 'matplotlib' has no attribute 'xlabel'
Python
1 vote145 views1 answer
Python time.strptime milliseconds
Python
78 votes150 views6 answers
How to wait in python
Python
12 votes151 views4 answers
How to get distinct value in a column dataframe in python
Python
0 vote138 views1 answer
Changing default fonts in matploitlibrc file
Python