Python numpy.unravel_index()用法及代码示例

numpy.unravel_index()函数将平面索引或平面索引数组转换为坐标数组的元组。

用法： numpy.unravel_index(indices, shape, order = ‘C’)

参数：

indices :[array_like] An integer array whose elements are indices into the flattened version of an array of dimensions shape.

shape :[tuple of ints] The shape of the array to use for unraveling indices.

order :[{‘C’, ‘F’}, optional] Determines whether the multi-index should be viewed as indexing in row-major (C-style) or column-major (Fortran-style) order.

返回：[ndarray的元组]元组中的每个数组都具有与indexs数组相同的形状。

代码1：

# Python program explaining 
# numpy.unravel_index() function 
  
# importing numpy as geek  
import numpy as geek 
  
gfg = geek.unravel_index([22, 41, 37], (7, 6)) 
  
print(gfg)

输出：

(array([3, 6, 6]), array([4, 5, 1]))

代码2：

# Python program explaining 
# numpy.unravel_index() function 
  
# importing numpy as geek  
import numpy as geek 
  
gfg = geek.unravel_index([22, 41, 37], (7, 6), order = 'F') 
  
print(gfg)

输出：

(array([1, 6, 2]), array([3, 5, 5]))

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