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numpy.triu_indices_from
numpy.triu_indices_from(arr, k=0)[source]- 
    
Return the indices for the upper-triangle of arr.
See
triu_indicesfor full details.Parameters: - 
           
arr : ndarray, shape(N, N) - 
           
The indices will be valid for square arrays.
 - 
           
k : int, optional - 
           
Diagonal offset (see
triufor details). 
Returns: - 
           
triu_indices_from : tuple, shape(2) of ndarray, shape(N) - 
           
Indices for the upper-triangle of
arr. 
See also
Notes
New in version 1.4.0.
 - 
           
 
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 https://docs.scipy.org/doc/numpy-1.16.1/reference/generated/numpy.triu_indices_from.html