Mathematics Stack Exchange is a question and answer site for people studying math at any level and professionals in related fields. Join them; it only takes a minute:

Sign up
Here's how it works:
  1. Anybody can ask a question
  2. Anybody can answer
  3. The best answers are voted up and rise to the top

Let $f=ax^2+b$ be a polynomial in $Q[x]$, how to define $f$ in sage?

share|cite|improve this question
sage: var('a b')
(a, b)
sage: R.<X> = QQ[]
sage: f = a * X * X + b
sage: f
X^2*a + b
sage: R 
Univariate Polynomial Ring in X over Rational Field

You can get more information about polynomials in this tutorial here.

share|cite|improve this answer

Your Answer


By posting your answer, you agree to the privacy policy and terms of service.

Not the answer you're looking for? Browse other questions tagged or ask your own question.