numpy.ma.MaskedArray.shrink_mask

method

MaskedArray.shrink_mask(self) [source]

Reduce a mask to nomask when possible.

Parameters

None

Returns

None

Examples

>>> x = np.ma.array([[1,2 ], [3, 4]], mask=[0]*4)
>>> x.mask
array([[False, False],
       [False, False]])
>>> x.shrink_mask()
masked_array(
  data=[[1, 2],
        [3, 4]],
  mask=False,
  fill_value=999999)
>>> x.mask
False