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MathGroup Archive 2010

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Re: Contraction of Tensors in Mathematica

  • To: mathgroup at smc.vnet.net
  • Subject: [mg112555] Re: Contraction of Tensors in Mathematica
  • From: magma <maderri2 at gmail.com>
  • Date: Mon, 20 Sep 2010 05:41:12 -0400 (EDT)
  • References: <i727in$etb$1@smc.vnet.net>

if you are seriously working with tensors (as it seems), you should
consider getting the powerful free package suite xAct at:

http://www.xact.es/

xAct now has an easy to use GUI called xPrint (also free) which
dramatically speeds up your learning curve and tensor input. It can be
found at:

https://sites.google.com/site/xprintforxact/

Finally you can visit the xAct user group at:

http://groups.google.com/group/xact/topics?hl=en

With xAct you can work symbolically and "numerically" (meaning; with
components in a specific base), as in your example.



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