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MathGroup Archive 2007

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Re: Simplifying {0,0,0}.X.{0,0,0}

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  • Subject: [mg74071] Re: Simplifying {0,0,0}.X.{0,0,0}
  • From: "Will Robertson" <wspr81 at>
  • Date: Thu, 8 Mar 2007 04:41:11 -0500 (EST)

Hi Jens, and others,

On Mar 7, 6:10 pm, Jens-Peer Kuska <k... at>
> Hi,
> X /: Dot[X, a : {0 ..}] := a
> will help.

Ah! TagSet, I get it; very useful. Mathematica is rather amazing. Its
syntax is more flexible than I can imagine, coming from another system & TeX.
Thanks all,


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