Python numpy.moveaxis()用法及代码示例

numpy.moveaxis()函数将数组的轴移到新位置。其他轴保持其原始顺序。

用法： numpy.moveaxis(arr, source, destination)

参数：

arr  :[ndarray] input array.

source  :[ int or sequence of int] Original positions of the axes to move. These must be unique.

destination  :[ int or sequence of int] Destination positions for each of the original axes. These must also be unique.

Return :[ndarray] Array with moved axes. This array is a view of the input array.

代码1：

# Python program explaining 
# numpy.moveaxis() function 
  
# importing numpy as geek  
import numpy as geek 
  
arr = geek.zeros((1, 2, 3, 4)) 
  
gfg = geek.moveaxis(arr, 0, -1).shape 
  
print (gfg)

输出：

(2, 3, 4, 1)

代码2：

# Python program explaining 
# numpy.moveaxis() function 
  
# importing numpy as geek  
import numpy as geek 
  
arr = geek.zeros((1, 2, 3, 4)) 
  
gfg = geek.moveaxis(arr, -1, 0).shape 
  
print (gfg)

输出：

(4, 1, 2, 3)

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