numpy.tril_indices_from

numpy.tril_indices_from(arr, k=0)

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.