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Re: How to calculate covariant derivative by Mathematica?
 To: mathgroup at smc.vnet.net
 Subject: [mg106851] Re: How to calculate covariant derivative by Mathematica?
 From: "Rolf.Mertig at gmail.com" <rolf.mertig at gmail.com>
 Date: Sun, 24 Jan 2010 05:47:30 0500 (EST)
 References: <hjeq9u$fr1$1@smc.vnet.net>
On Jan 23, 1:33 pm, Shen <zshen2... at yahoo.com> wrote:
> I need to calculate covariant derivative by Mathematica. I noticed
> that there is no such a function in Mathematica. Can we define such a
> funcation? I don't know how to do it. Who can tell me how to define
> and calculate covariant derivative with Mathematica?
For High Energy Physics I once programmed that a long time ago:
http://www.feyncalc.org/FeynCalcBook/CovariantD/
But maybe you want something different?
Rolf Mertig
GluonVision GmbH
Berlin, Germany
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