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

2 votes170 views1 answer
Check if camera is being used python
Python
78 votes216 views6 answers
Main python
Python
0 vote197 views1 answer
Check tensor type tensorflow
Python
1 vote159 views3 answers
Python create file if not exists
Python
2 votes188 views1 answer
Dataframe get list of index vlaues
Python
1 vote248 views1 answer
Python program to convert rupees to paise
Python
0 vote221 views1 answer
Sqlalchemy one to one foreign key
Python
0 vote188 views1 answer
Python getattr function
Python
4 votes197 views1 answer
Skip to next iteration in for loop python
Python
4 votes205 views1 answer
Convert string array to integer python
Python