On this page
numpy.ma.MaskedArray.harden_mask
method
- MaskedArray.harden_mask(self)[source]
- 
    Force the mask to hard. Whether the mask of a masked array is hard or soft is determined by its hardmaskproperty.harden_masksetshardmaskto True.See also 
© 2005–2020 NumPy Developers
Licensed under the 3-clause BSD License.
 https://numpy.org/doc/1.19/reference/generated/numpy.ma.MaskedArray.harden_mask.html