DOK.nnz¶
- DOK.nnz¶
The number of nonzero elements in this array.
- Returns
The number of nonzero elements.
- Return type
See also
COO.nnz
Equivalent
COO
array property.numpy.count_nonzero
A similar Numpy function.
scipy.sparse.dok_matrix.nnz
The Scipy equivalent property.
Examples
>>> values = { ... (1, 2, 3): 4, ... (3, 2, 1): 0, ... } >>> s = DOK((5, 5, 5), values) >>> s.nnz 1