Add padding to 2d matrix \np

import numpy as np
# https://numpy.org/doc/stable/reference/generated/numpy.pad.html
image = np.ones((2,2), dtype=int)

padded_image = np.pad(image, 1, dtype=int, mode='constant')

print(padded_image)
# [[0 0 0 0]
#  [0 1 1 0]
#  [0 1 1 0]
#  [0 0 0 0]]

Source: numpy.org

Similar codes

0 vote311 views1 answer
Get information about dataframe
Python
0 vote324 views1 answer
Pyqt5 date-edity
Python
17 votes304 views2 answers
Return count of unique values pandas
Python
0 vote319 views1 answer
Python string strip non alphanumeric
Python
0 vote342 views1 answer
Intersect in python list
Python
0 vote313 views1 answer
How do you make plot show with matplotlib ion method
Python
2 votes318 views3 answers
Coronavirus tips
Python
-1 vote367 views2 answers
Python dict remove duplicates where items are not the same
Python
0 vote383 views2 answers
Count items in a model django rest
Python Django
4 votes324 views3 answers
No module named 'xgboost'
Python