numpy.ma.ptp(obj, axis=None, out=None, fill_value=None)

numpy.ma.indices(dimensions, dtype=)

numpy.ma.shape(obj)

numpy.ma.apply_along_axis(func1d, axis, arr, *args, **kwargs)

MaskedArray.shrink_mask()

numpy.ma.flatnotmasked_contiguous(a)

numpy.ma.dot(a, b, strict=False, out=None)

MaskedArray.argsort(axis=None, kind='quicksort', order=None, fill_value=None)

MaskedArray.harden_mask()

MaskedArray.trace(offset=0, axis1=0, axis2=1, dtype=None, out=None)