Function tril

dask/array/routines.py:2566–2576

(m, k=0)

@derived_from(np)
def tril(m, k=0):
    m = asarray_safe(m, like=m)
    mask = tri(
        *m.shape[-2:],
        k=k,
        dtype=bool,
        chunks=m.chunks[-2:],
        like=meta_from_array(m),
    )

    return where(mask, m, np.zeros_like(m, shape=(1,)))


@derived_from(np)