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Re: [Axiom-developer] Re: FeynCalc
From: |
Bob McElrath |
Subject: |
Re: [Axiom-developer] Re: FeynCalc |
Date: |
Wed, 12 May 2004 12:10:18 -0700 |
User-agent: |
Mutt/1.5.5.1+cvs20040105i |
C Y address@hidden wrote:
> Having Axiom and Maxima versions of Feyncalc would be
> really excellent - each system could serve as a check
> on the accuracy of the other. Keeping both current would
> be a bit of work though.
I would be very, very interested in such a thing, however, maintaining
three separate codebases would really really suck.
The Mathematica language is the largest I have ever seen. It attempts
to be all things, list-based, object-based, functional, patterns,
interpreted, compiled, and of course has an extremely large library.
Automatic translation from Mathematica may be near impossible. Frankly
I think the size of the language makes it poorly suited to almost all
tasks, and I hope Axiom and Maxima do not attempt to emulate it.
Rather, it may be easier to develop a MMA export mode for Axiom/Maxima
for the purpose of comparing solutions. An export mode doesn't need to
understand the entire MMA language. I would like to see a large,
cross-system test suite which could be used to validate and improve all
systems. Perhaps this:
http://www.math.unm.edu/~wester/cas_review.html
would be a good starting point.
In any case, I am extremely interested in this and would like to help.
I have a pile of Maple code for my use, dealing with supersymmetric
lagrangians, feynman rules, etc, and I intend to re-implement it in
Axiom or Maxima, and doing so as part of a larger package would be
ideal.
Cheers,
Bob McElrath [Univ. of California at Davis, Department of Physics]
"A great many people think they are thinking when they are merely
rearranging their prejudices." -- William James
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- [Axiom-developer] FeynCalc, Tim Daly, 2004/05/12
- [Axiom-developer] Re: FeynCalc, Camm Maguire, 2004/05/12
- [Axiom-developer] Re: FeynCalc, Tim Daly, 2004/05/12
- [Axiom-developer] Re: FeynCalc, Camm Maguire, 2004/05/12
- [Axiom-developer] Re: FeynCalc, Tim Daly, 2004/05/12
- Re: [Axiom-developer] Re: FeynCalc, C Y, 2004/05/12
- Re: [Axiom-developer] Re: FeynCalc, Tim Daly, 2004/05/12
- Re: [Axiom-developer] Re: FeynCalc, Mike Dewar, 2004/05/13
- Re: [Axiom-developer] Re: FeynCalc,
Bob McElrath <=
- Re: [Axiom-developer] Re: FeynCalc, C Y, 2004/05/12