numpy.ma.clump_unmasked

numpy.ma.clump_unmasked(a)[源代码]

Return list of slices corresponding to the unmasked clumps of a 1-D array. (A “clump” is defined as a contiguous region of the array).

Parameters:
a : ndarray

A one-dimensional masked array.

Returns:
slices : list of slice

The list of slices, one for each continuous region of unmasked elements in a.

Notes

1.4.0 新版功能.

Examples

>>> a = np.ma.masked_array(np.arange(10))
>>> a[[0, 1, 2, 6, 8, 9]] = np.ma.masked
>>> np.ma.clump_unmasked(a)
[slice(3, 6, None), slice(7, 8, None)]