numpy.core.defchararray.rfind(a, sub, start=0, end=None)

MaskedArray.anom(axis=None, dtype=None)

numpy.ma.fix_invalid(a, mask=False, copy=True, fill_value=None)

numpy.dstack(tup)

numpy.polynomial.laguerre.lagder(c, m=1, scl=1, axis=0)

classmethod Laguerre.basis(deg, domain=None, window=None)

numpy.ma.any(self, axis=None, out=None) = Check if any of the elements of a are true. Performs a logical_or over

numpy.round_(a, decimals=0, out=None)

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

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