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Re: [Axiom-developer] CAS for the masses


From: Martin Rubey
Subject: Re: [Axiom-developer] CAS for the masses
Date: 30 Mar 2007 08:46:25 +0200
User-agent: Gnus/5.09 (Gnus v5.9.0) Emacs/21.4

Ralf Hemmecke <address@hidden> writes:

> In Aldor-Combinat I even have to use this destructiveness in order to allow
> recursive definitions of combinatorial species a la
> 
> B == X + B*B

In fact, we even create domains from a given string in axiom-combinat! Try

B ==> Interpret([parse "Plus(Self, Times(Self, Self))"], ACINT)

generatingSeries()$B

and keep in mind that "Plus(Self, Times(Self, Self))" is a String!

Martin





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