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Re: Recognize vector expression

• To: mathgroup at smc.vnet.net
• Subject: [mg91010] Re: [mg90984] Recognize vector expression
• From: Oliver Ruebenkoenig <ruebenko at wolfram.com>
• Date: Sun, 3 Aug 2008 05:33:06 -0400 (EDT)
• References: <200808020724.DAA24854@smc.vnet.net>

Ciao Ramiro,

On Sat, 2 Aug 2008, Ramiro dell'Erba wrote:

> Dear Mathematica friends,
> I have the following problem. Working in tensorial algebra I 
> wondering if exist a package of rules able to a "clever" managing of 
> the vector components. As example able to recognize that {-b3c2+b2c3, 
> b3c1+b1c3, -b2c1+b1c2} is Cross[b,c] and many others to a better 
> lecture of long expression. A simple rule, just for this, is not 
> enough, I need a package the contain all!
> Thank you in advance,
> Ramiro
> 
> 

I am not sure this is what you are looking for, but xAct is a tensor 
algebra package for Mathematica. Have a look, maybe it helps you

http://metric.iem.csic.es/Martin-Garcia/xAct/

Oliver

• References:
  • Recognize vector expression
    • From: "Ramiro dell'Erba" <dellerba@casaccia.enea.it>