This is documentation for an old release of NumPy (version 1.4.). Read this page Search for this page in the documentation of the latest stable release (version > 1.17).

numpy.tril_indices_from¶

numpy.tril_indices_from(arr, k=0)¶

Return the indices for the lower-triangle of an (n, n) array.

See tril_indices for full details.

Parameters:

n : int

Sets the size of the arrays for which the returned indices will be valid.

k : int, optional

Diagonal offset (see tril for details).