Python | Numpy.expand_dims() method (original) (raw)

Last Updated : 17 Sep, 2019

With the help of **Numpy.expand_dims()** method, we can get the expanded dimensions of an array by using Numpy.expand_dims() method.

Syntax : Numpy.expand_dims()

Return : Return the expanded array.

Example #1 :
In this example we can see that using Numpy.expand_dims() method, we are able to get the expanded array using this method.

import numpy as np

gfg = np.array([ 1 , 2 ])

print (gfg.shape)

gfg = np.expand_dims(gfg, axis = 0 )

print (gfg.shape)

Output :

(2, )
(1, 2)

Example #2 :

import numpy as np

gfg = np.array([[ 1 , 2 ], [ 7 , 8 ]])

print (gfg.shape)

gfg = np.expand_dims(gfg, axis = 0 )

print (gfg.shape)

Output :

(2, 2)
(1, 2, 2)

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