triu

sparse.triu(x, k=0)[source]

Returns an array with all elements below the k-th diagonal set to zero.

Parameters:
  • x (COO) – The input array.
  • k (int, optional) – The diagonal below which elements are set to zero. The default is zero, which corresponds to the main diagonal.
Returns:

The output upper-triangular matrix.

Return type:

COO

See also

numpy.triu()
NumPy equivalent function