Add column array python

Add a new column to numpy array

import numpy as np
N = 10
a = np.random.rand(N,N)
b = np.zeros((N,N+1))
b[:,:-1] = a

Source: stackoverflow.com

Add column array python

>>> a = np.array([[1,2,3],[2,3,4]])
>>> a
array([[1, 2, 3],
       [2, 3, 4]])

>>> z = np.zeros((2,1), dtype=int64)
>>> z
array([[0],
       [0]])

>>> np.append(a, z, axis=1)
array([[1, 2, 3, 0],
       [2, 3, 4, 0]])

Similar codes

0 vote126 views1 answer
Check for the negative integers and float
Python
30 votes131 views2 answers
Matplotlib change text size
Python
32 votes125 views6 answers
Python try
Python
11 votes143 views1 answer
Pipilika search engine
Python
4 votes226 views2 answers
Python find the factors of a number
Python
33 votes136 views4 answers
Python random password generator
Python
2 votes165 views2 answers
Csv manipulation python
Python
0 vote155 views2 answers
Aes in python
Python
0 vote136 views2 answers
Deleting files which start with a name
Python
1 vote126 views1 answer
Cannot import name 'abc' from 'bson.py3compat'
Python