numpy.tril_indices_from()

numpy.tril_indices_from

numpy.tril_indices_from(arr, k=0) [source]

Return the indices for the lower-triangle of arr.

See tril_indices for full details.

Parameters:	arr : array_like The indices will be valid for square arrays whose dimensions are the same as arr. k : int, optional Diagonal offset (see tril for details).

See also

tril_indices, tril

Notes

New in version 1.4.0.