In [1]:

    

import numpy as np


    

In [2]:

    

a_2d = np.arange(6).reshape(2, 3)
print(a_2d)


    

    




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

In [3]:

    

a_2d_flip = np.flip(a_2d)
print(a_2d_flip)


    

    




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

In [4]:

    

print(np.shares_memory(a_2d, a_2d_flip))


    

    




True

In [5]:

    

print(a_2d[::-1, ::-1])


    

    




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

In [6]:

    

a_1d = np.arange(3)
print(a_1d)


    

    




[0 1 2]

In [7]:

    

print(np.flip(a_1d))


    

    




[2 1 0]

In [8]:

    

print(a_1d[::-1])


    

    




[2 1 0]

In [9]:

    

a_3d = np.arange(24).reshape(2, 3, 4)
print(a_3d)


    

    




[[[ 0  1  2  3]
  [ 4  5  6  7]
  [ 8  9 10 11]]

 [[12 13 14 15]
  [16 17 18 19]
  [20 21 22 23]]]

In [10]:

    

print(np.flip(a_3d))


    

    




[[[23 22 21 20]
  [19 18 17 16]
  [15 14 13 12]]

 [[11 10  9  8]
  [ 7  6  5  4]
  [ 3  2  1  0]]]

In [11]:

    

print(a_3d[::-1, ::-1, ::-1])


    

    




[[[23 22 21 20]
  [19 18 17 16]
  [15 14 13 12]]

 [[11 10  9  8]
  [ 7  6  5  4]
  [ 3  2  1  0]]]

In [12]:

    

print(np.flip(a_3d, 0))


    

    




[[[12 13 14 15]
  [16 17 18 19]
  [20 21 22 23]]

 [[ 0  1  2  3]
  [ 4  5  6  7]
  [ 8  9 10 11]]]

In [13]:

    

print(a_3d[::-1])


    

    




[[[12 13 14 15]
  [16 17 18 19]
  [20 21 22 23]]

 [[ 0  1  2  3]
  [ 4  5  6  7]
  [ 8  9 10 11]]]

In [14]:

    

print(np.flipud(a_3d))


    

    




[[[12 13 14 15]
  [16 17 18 19]
  [20 21 22 23]]

 [[ 0  1  2  3]
  [ 4  5  6  7]
  [ 8  9 10 11]]]

In [15]:

    

print(np.flip(a_3d, 1))


    

    




[[[ 8  9 10 11]
  [ 4  5  6  7]
  [ 0  1  2  3]]

 [[20 21 22 23]
  [16 17 18 19]
  [12 13 14 15]]]

In [16]:

    

print(a_3d[:, ::-1])


    

    




[[[ 8  9 10 11]
  [ 4  5  6  7]
  [ 0  1  2  3]]

 [[20 21 22 23]
  [16 17 18 19]
  [12 13 14 15]]]

In [17]:

    

print(np.fliplr(a_3d))


    

    




[[[ 8  9 10 11]
  [ 4  5  6  7]
  [ 0  1  2  3]]

 [[20 21 22 23]
  [16 17 18 19]
  [12 13 14 15]]]

In [18]:

    

print(np.flip(a_3d, 2))


    

    




[[[ 3  2  1  0]
  [ 7  6  5  4]
  [11 10  9  8]]

 [[15 14 13 12]
  [19 18 17 16]
  [23 22 21 20]]]

In [19]:

    

print(a_3d[:, :, ::-1])


    

    




[[[ 3  2  1  0]
  [ 7  6  5  4]
  [11 10  9  8]]

 [[15 14 13 12]
  [19 18 17 16]
  [23 22 21 20]]]

In [20]:

    

print(np.flip(a_3d, (0, 1)))


    

    




[[[20 21 22 23]
  [16 17 18 19]
  [12 13 14 15]]

 [[ 8  9 10 11]
  [ 4  5  6  7]
  [ 0  1  2  3]]]

In [21]:

    

print(a_3d[::-1, ::-1])


    

    




[[[20 21 22 23]
  [16 17 18 19]
  [12 13 14 15]]

 [[ 8  9 10 11]
  [ 4  5  6  7]
  [ 0  1  2  3]]]

In [22]:

    

print(np.flip(a_3d, (1, 2)))


    

    




[[[11 10  9  8]
  [ 7  6  5  4]
  [ 3  2  1  0]]

 [[23 22 21 20]
  [19 18 17 16]
  [15 14 13 12]]]

In [23]:

    

print(a_3d[:, ::-1, ::-1])


    

    




[[[11 10  9  8]
  [ 7  6  5  4]
  [ 3  2  1  0]]

 [[23 22 21 20]
  [19 18 17 16]
  [15 14 13 12]]]

In [24]:

    

print(np.flip(a_3d, (0, 2)))


    

    




[[[15 14 13 12]
  [19 18 17 16]
  [23 22 21 20]]

 [[ 3  2  1  0]
  [ 7  6  5  4]
  [11 10  9  8]]]

In [25]:

    

print(a_3d[::-1, :, ::-1])


    

    




[[[15 14 13 12]
  [19 18 17 16]
  [23 22 21 20]]

 [[ 3  2  1  0]
  [ 7  6  5  4]
  [11 10  9  8]]]