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MathGroup Archive 2006

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Re: Dot Product in Cylindrical Coordinates

  • To: mathgroup at smc.vnet.net
  • Subject: [mg69221] Re: Dot Product in Cylindrical Coordinates
  • From: Jens-Peer Kuska <kuska at informatik.uni-leipzig.de>
  • Date: Sun, 3 Sep 2006 01:39:04 -0400 (EDT)
  • References: <edadqd$pgc$1@smc.vnet.net>
  • Sender: owner-wri-mathgroup at wolfram.com

Hi,

have you used the Calculus`VectorAnalysis` package ??
and the DotProduct[] function ??

Regards
   Jens

Sergio Miguel Terrazas Porras wrote:
> Hello group:
>  
> When I calculate the dot product of vectors {1,Pi/4,0} and {2,0,1} in
> Cylindrical Coordinates Mathematica 5.1 returns the result Sqrt[2], when the
> result should be 2.
> What is going on ?
> Thanks
> Sergio Terrazas
> 


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