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]))