mars.tensor.tril#
- mars.tensor.tril(m, k=0, gpu=None)[source]#
Lower triangle of a tensor.
Return a copy of a tensor with elements above the k-th diagonal zeroed.
- Parameters
- Returns
tril – Lower triangle of m, of same shape and data-type as m.
- Return type
Tensor, shape (M, N)
See also
triu
same thing, only for the upper triangle
Examples
>>> import mars.tensor as mt
>>> mt.tril([[1,2,3],[4,5,6],[7,8,9],[10,11,12]], -1).execute() array([[ 0, 0, 0], [ 4, 0, 0], [ 7, 8, 0], [10, 11, 12]])