def old_poly_ring(self, *symbols, **kwargs): """Returns a polynomial ring, i.e. `K[X]`. """ from sympy.polys.domains.old_polynomialring import PolynomialRing return PolynomialRing(self, *symbols, **kwargs)
def poly_ring(self, *symbols, order=lex): """Returns a polynomial ring, i.e. `K[X]`. """ from sympy.polys.domains.polynomialring import PolynomialRing return PolynomialRing(self, symbols, order)
def poly_ring(self, *symbols, **kwargs): """Returns a polynomial ring, i.e. `K[X]`. """ from sympy.polys.domains.polynomialring import PolynomialRing return PolynomialRing(self, symbols, kwargs.get("order", lex))
def to_domain(self): return PolynomialRing(self)