DOK.density

DOK.density

The ratio of nonzero to all elements in this array.

Returns

The ratio of nonzero to all elements.

Return type

float

See also

COO.size

Number of elements.

COO.nnz

Number of nonzero elements.

Examples

>>> import numpy as np
>>> from sparse import COO
>>> x = np.zeros((8, 8))
>>> x[0, :] = 1
>>> s = COO.from_numpy(x)
>>> s.density
0.125