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Python add column to a matrix

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

1

Source: stackoverflow.com

Python add column to a matrix

import numpy as np

X = np.random.uniform(size=(10,3))
n,m = X.shape # for generality
X0 = np.ones((n,1))
Xnew = np.hstack((X,X0))

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