numpy create empty array

import numpy as np

n = 2
X = np.empty(shape=[0, n])

for i in range(5):
    for j  in range(2):
        X = np.append(X, [[i, j]], axis=0)

print X

4
1
Day 95 points

                                    >>> np.empty([2, 2])
#Output:
array([[ -9.74499359e+001,   6.69583040e-309],
       [  2.13182611e-314,   3.06959433e-309]])         

4 (1 Votes)
0
4
2

                                    array = []

4 (2 Votes)
0
4.29
7
AMINA ARSHAD 125 points

                                    numpy.empty(shape, dtype=float, order='C')

4.29 (7 Votes)
0
4.25
4
Shaong 95 points

                                        a = []
    for x in y:
        a.append(x)
    a = np.array(a)

4.25 (4 Votes)
0
4
2
Andy Pham 125 points

                                    >>> np.empty([2, 2])
array([[ -9.74499359e+001,   6.69583040e-309],
       [  2.13182611e-314,   3.06959433e-309]])         #uninitialized

4 (2 Votes)
0
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