join two numpy arrays

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showing results for - "join two numpy arrays"
Jorge
09 Jun 2018
1>>> a = np.array([[1, 2], [3, 4]])
2>>> b = np.array([[5, 6]])
3>>> np.concatenate((a, b), axis=0)
4array([[1, 2],
5       [3, 4],
6       [5, 6]])
7>>> np.concatenate((a, b.T), axis=1)
8array([[1, 2, 5],
9       [3, 4, 6]])
10
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Jonathan
09 Jan 2019
1import numpy as np
2
3a = np.array([[0, 1, 3], [5, 7, 9]])
4b = np.array([[0, 2, 4], [6, 8, 10]])
5c = np.concatenate((a, b), axis=0)
6print(c)
7
8Output : 
9[[ 0  1  3]
10 [ 5  7  9]
11 [ 0  2  4]
12 [ 6  8 10]]
source
Mirko
21 Sep 2016
1numpy.concatenate([arr1, arr2]) # Joining arr1 and arr2
Giselle
07 Jan 2017
1#concatenating through column(axis = 1)
2numpy.concatenate((N,M),1)
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