numpy.ma.identity(n, dtype=None) = Return the identity array. The identity array is a square array with ones on the main

MaskedArray.squeeze(axis=None)

MaskedArray.shrink_mask()

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

numpy.ma.outerproduct(a, b)

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

MaskedArray.reshape(*s, **kwargs)

MaskedArray.round(decimals=0, out=None)

numpy.ma.flatnotmasked_edges(a)

numpy.ma.flatnotmasked_contiguous(a)