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[Axiom-developer] [Axiom-mail] [Axiom-mail] A newby question about eval
From: |
William Sit |
Subject: |
[Axiom-developer] [Axiom-mail] [Axiom-mail] A newby question about eval andExpression |
Date: |
Sun, 13 Nov 2005 21:45:31 -0600 |
Changes http://page.axiom-developer.org/zope/mathaction/AxiomMail/diff
--
Doug Stewart wrote:
> But it is a constant ---- How can I tell axiom that it is a constant?
> I tried this way but :-(
> )clear all
> digits 20
> -- n:=x^3+a1*x^2+a2*x+a3 ::Polynomial Fraction Integer
>
> a1:=1
> a2:=1
> a3:=1
>
> Q:=(3*'a2-'a1^2)/9
> R:=(9*'a1*'a2-27*'a3-2*'a1^3)/54
> S: Complex Float :=(R+(Q^3+R^2)^(1/2))^(1/3)
>
> I thought that if I gave a1 a2 a3 some in integer values, that Maxima
> would then know that it was a constant but no it thinks it is a variable????
>
Perhaps you try removing the single quotes?
William
--
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- [Axiom-developer] [Axiom-mail] [Axiom-mail] A newby question about eval andExpression,
William Sit <=