MaskedArray.set_fill_value(value=None)

MaskedArray.compressed()

numpy.ma.squeeze(a, axis=None)

numpy.ma.flatnotmasked_edges(a)

numpy.ma.harden_mask(self) = Force the mask to hard. Whether the mask of a masked array is hard or soft is determined

numpy.ma.outerproduct(a, b)

numpy.ma.vander(x, n=None)

numpy.ma.argsort(a, axis=None, kind='quicksort', order=None, fill_value=None)

numpy.ma.notmasked_contiguous(a, axis=None)

numpy.ma.around = Round an array to the given number of decimals. Refer to