numpy.ma.masked_array.ids

method

masked_array.ids()[源代码]

Return the addresses of the data and mask areas.

Parameters:
None

Examples

>>> x = np.ma.array([1, 2, 3], mask=[0, 1, 1])
>>> x.ids()
(166670640, 166659832)

If the array has no mask, the address of nomask is returned. This address is typically not close to the data in memory:

>>> x = np.ma.array([1, 2, 3])
>>> x.ids()
(166691080, 3083169284L)