Hi! On 6 Nov., 10:57, luisfe <[email protected]> wrote: > You could use resultants in this case to eliminate de u.
Or, more generally, you could use elimination: sage: R.<x,y,u> = QQ[] sage: I = [2*x -(2*u^2+2*u-1 ), -y^2- (u^4+2*u^3-2*u-1)]*R sage: I.elimination_ideal([u]) Ideal (16*x^4 + 32*x^2*y^2 + 16*y^4 - 24*x^2 - 24*y^2 - 16*x - 3) of Multivariate Polynomial Ring in x, y, u over Rational Field This would also work if you have more than one variable to eliminate, as you will find if you read the documentation by sage: I.elimination_ideal? Cheers, Simon -- To post to this group, send email to [email protected] To unsubscribe from this group, send email to [email protected] For more options, visit this group at http://groups.google.com/group/sage-support URL: http://www.sagemath.org
