Rational function
= Rational function
{wiki}
A rational function is a quotient $p/q$ of <polynomials>, with $q$ nonzero. After cancelling common factors, it defines a <holomorphic map> from the <Riemann sphere> to itself.
= Rational function
{wiki}
A rational function is a quotient $p/q$ of <polynomials>, with $q$ nonzero. After cancelling common factors, it defines a <holomorphic map> from the <Riemann sphere> to itself.