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From: | Alejandro Jakubi |
Subject: | Re: [fricas-devel] Re: [Axiom-math] Selection of roots |
Date: | Mon, 3 Nov 2008 20:21:27 -0300 |
On Mon, 3 Nov 2008, Martin Rubey wrote:
Alejandro Jakubi <address@hidden> writes:Now, my next question is about selecting the two real roots out of the four produced by 'radicalSolve' here: f:=(x^3+x^2-4*x-4)/(2*x^2+7*x-4) fp:=differentiate(f,x) radicalSolve(fp,x) The problem is that allRootsOf(fp)$RealClosure(Fraction Integer)try allRootsOf(numer fp)$RealClosure(Fraction Integer)
Fine. Now, how I recover the algebraic expressions, as produced by 'radicalSolve', associated with such labels like %A1, %A2 ? Alejandro Jakubi
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