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/NumPy 1.17

numpy.ma.MaskedArray.unshare_mask

method

MaskedArray.unshare_mask(self) [source]

Copy the mask and set the sharedmask flag to False.

Whether the mask is shared between masked arrays can be seen from the sharedmask property. unshare_mask ensures the mask is not shared. A copy of the mask is only made if it was shared.

See also

sharedmask

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https://docs.scipy.org/doc/numpy-1.17.0/reference/generated/numpy.ma.MaskedArray.unshare_mask.html