COO.nonzero
- COO.nonzero()[source]
Get the indices where this array is nonzero.
- Returns:
idx – The indices where this array is nonzero.
- Return type:
See also
numpy.ndarray.nonzero
NumPy equivalent function
- Raises:
ValueError – If the array doesn’t have zero fill-values.
Examples
>>> s = COO.from_numpy(np.eye(5)) >>> s.nonzero() (array([0, 1, 2, 3, 4]), array([0, 1, 2, 3, 4]))