In [1]:

    

import numpy as np


    

In [2]:

    

a = np.arange(16).reshape(4, 4)
print(a)


    

    




[[ 0  1  2  3]
 [ 4  5  6  7]
 [ 8  9 10 11]
 [12 13 14 15]]

In [3]:

    

l = np.split(a, 2)


    

In [4]:

    

print(l[0])


    

    




[[0 1 2 3]
 [4 5 6 7]]

In [5]:

    

print(np.shares_memory(a, l[0]))


    

    




True

In [6]:

    

a[0, 0] = 100
print(a)


    

    




[[100   1   2   3]
 [  4   5   6   7]
 [  8   9  10  11]
 [ 12  13  14  15]]

In [7]:

    

print(l[0])


    

    




[[100   1   2   3]
 [  4   5   6   7]]

In [8]:

    

print(np.shares_memory(a, np.vsplit(a, 2)[0]))


    

    




True

In [9]:

    

print(np.shares_memory(a, np.hsplit(a, 2)[0]))


    

    




True

In [10]:

    

print(np.shares_memory(a, np.array_split(a, 3)[0]))


    

    




True

In [11]:

    

a_3d = np.arange(24).reshape(2, 3, 4)
print(np.shares_memory(a_3d, np.dsplit(a_3d, 2)[0]))


    

    




True

In [12]:

    

a = np.arange(16).reshape(4, 4)


    

In [13]:

    

l_copy = np.split(a.copy(), 2)


    

In [14]:

    

print(np.shares_memory(a, l_copy[0]))


    

    




False

In [15]:

    

a[0, 0] = 100
print(a)


    

    




[[100   1   2   3]
 [  4   5   6   7]
 [  8   9  10  11]
 [ 12  13  14  15]]

In [16]:

    

print(l_copy[0])


    

    




[[0 1 2 3]
 [4 5 6 7]]