- dask.array.tril(m, k=0)¶
Lower triangle of an array.
This docstring was copied from numpy.tril.
Some inconsistencies with the Dask version may exist.
Return a copy of an array with elements above the k-th diagonal zeroed.
- marray_like, shape (M, N)
- kint, optional
Diagonal above which to zero elements. k = 0 (the default) is the main diagonal, k < 0 is below it and k > 0 is above.
- trilndarray, shape (M, N)
Lower triangle of m, of same shape and data-type as m.
same thing, only for the upper triangle
>>> np.tril([[1,2,3],[4,5,6],[7,8,9],[10,11,12]], -1) array([[ 0, 0, 0], [ 4, 0, 0], [ 7, 8, 0], [10, 11, 12]])