Numpy add new column

: import numpy as np
: N = 3
: A = np.eye(N)

: np.c_[ A, np.ones(N) ]              # add a column
array([[ 1.,  0.,  0.,  1.],
       [ 0.,  1.,  0.,  1.],
       [ 0.,  0.,  1.,  1.]])

Source: stackoverflow.com

Append a zeros column numpy

np.concatenate((np.zeros((3,3), dtype=int), arr), axis=1)
array([[0, 0, 0, 1, 2, 3],
       [0, 0, 0, 4, 5, 6],
       [0, 0, 0, 7, 8, 9]])

Source: stackoverflow.com

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 to existing numpy array

b = np.insert(a, insert_index, values=a[:,2], axis=1)

Source: stackoverflow.com

Numpy add one column

an_array = np.append(an_array, new_column, axis=1)

Source: kite.com

Similar codes

0 vote270 views1 answer
Pyqt5 image change size
Python
0 vote280 views1 answer
Flask decoding base 64 image
Python
2 votes313 views2 answers
Mean deviation python
Python
1 vote295 views1 answer
Test Speed internet using Python
Python
2 votes274 views1 answer
Tkinter execute function on enter
Python
0 vote324 views1 answer
How to install mediapipe python
Python
1 vote280 views1 answer
Np.multiply
Python
2 votes265 views1 answer
Python pip graphviz
Python
1 vote279 views1 answer
How to set up dataframe from csv
Python
5 votes263 views1 answer
Dataframe from arrays python
Python