create empty numpy array

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showing results for - "create empty numpy array"
Ignacio
15 Nov 2020
1import numpy as np
2
3n = 2
4X = np.empty(shape=[0, n])
5
6for i in range(5):
7    for j  in range(2):
8        X = np.append(X, [[i, j]], axis=0)
9
10print X
11
Ben
23 Jan 2017
1numpy.empty(shape, dtype=float, order='C')
Niklas
28 Mar 2019
1combined_array = np.append(empty_array, to_append)
Lucas
24 Mar 2017
1>>> np.empty([2, 2])
2array([[ -9.74499359e+001,   6.69583040e-309],
3       [  2.13182611e-314,   3.06959433e-309]])         #uninitialized
4
Alonso
07 Aug 2016
1>>> np.empty([2, 2])
2#Output:
3array([[ -9.74499359e+001,   6.69583040e-309],
4       [  2.13182611e-314,   3.06959433e-309]])         
5
Vincent
13 Jan 2016
1    a = []
2    for x in y:
3        a.append(x)
4    a = np.array(a)
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