dask.array.triu

dask.array.triu(m, k=0)[source]

Upper triangle of an array.

This docstring was copied from numpy.triu.

Some inconsistencies with the Dask version may exist.

Return a copy of an array with the elements below the k-th diagonal zeroed.

Please refer to the documentation for tril for further details.

See also

tril

lower triangle of an array

Examples

>>> np.triu([[1,2,3],[4,5,6],[7,8,9],[10,11,12]], -1)  
array([[ 1,  2,  3],
       [ 4,  5,  6],
       [ 0,  8,  9],
       [ 0,  0, 12]])