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Create empty numpy array

Numpy 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

8

Source: stackoverflow.com

Declare empty array of complex type python

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

1

Create empty numpy array without shape

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

1

Source: stackoverflow.com

Create empty numpy array

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

0

Source: numpy.org

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