The convenience classes provided by the polynomial package are: Name Provides

numpy.polynomial.legendre.legmulx(c)

numpy.polynomial.polynomial.polyval2d(x, y, c)

numpy.polynomial.chebyshev.chebpow(c, pow, maxpower=16)

HermiteE.trim(tol=0)

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

numpy.polynomial.chebyshev.chebfit(x, y, deg, rcond=None, full=False, w=None)

numpy.polynomial.laguerre.lagval3d(x, y, z, c)

Legendre.has_samedomain(other)

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