how to add a column to existing array

Question

I have a (1000,2) array and I was wondering how you can add a (1000,1) array without looping. What's the pythonic way to do this in numpy?

mgilson · Accepted Answer · 2013-03-31 00:35:34Z

2

a = np.zeros((1000,2))
b = np.zeros((1000,1))
c = np.hstack((a,b))

answered Mar 31, 2013 at 0:35

mgilson

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