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 vote119 views1 answer
How to get wikipedia page link in python
Python
0 vote105 views2 answers
Django rest framework authentication
Python
0 vote83 views1 answer
Get method to create a set of counters in python
Python
3 votes158 views2 answers
Not equal to python
Python
0 vote116 views3 answers
Dataframe to dictionary using index as key
Python
0 vote121 views1 answer
Higlight words in python
Python
2 votes120 views3 answers
Pytorch check if using gpu
Python
3 votes129 views1 answer
Python initialize multidimensional list
Python
0 vote124 views1 answer
Range function with for loop in python
Python
1 vote121 views1 answer
Python print how long it takes to run
Python