numpy.ma.cumprod(self, axis=None, dtype=None, out=None) = Return the cumulative product of the elements along the given axis

MaskedArray.tolist(fill_value=None)

MaskedArray.sort(axis=-1, kind='quicksort', order=None, endwith=True, fill_value=None)

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

numpy.ma.frombuffer(buffer, dtype=float, count=-1, offset=0) = Interpret a buffer as a 1-dimensional array.

numpy.ma.concatenate(arrays, axis=0)