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MathGroup Archive 2006

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Re: first variation of the functional

  • To: mathgroup at
  • Subject: [mg65003] Re: [mg64991] first variation of the functional
  • From: Pratik Desai <pdesai1 at>
  • Date: Sat, 11 Mar 2006 05:15:39 -0500 (EST)
  • References: <>
  • Sender: owner-wri-mathgroup at

ramesh gupta burela wrote:

>Dear members,
>I Ramesh Gupta, PhD student of Aerospace Department,
>Indian Institute of Science,
>INDIA. our institute having licence version of
>i would like to know how to get the first variation of
>the functional.
>As I came to know that command like "EulerEquations"
>can generate Differential
>equations, but i am expecting the boundry/natuaral
>conditions also, which are the by-products
>of first variation of the functional.
I think the package you are looking for is <<Calculus`VectorAnalysis`
Unfortunately it seems that the Vector Analysis only works with 
functionals with one independant variables. You probably will have to 
stick with integration by parts unfortunately... :-)

>please mail me as early as possible.
>thanks in advance,
>    ---------------------------------------------------------------------------------------------------
>  B. Ramesh Gupta 
>  phD, Aerospace Department, 
>IISc, Bngalore, INDIA. 
>ph: 080-22932438 (Dept) 
>cell: 09242844936
>  Residence:
>#23/2, 3rd cross
>Bangalore. INDIA
>Yahoo! India Matrimony: Find your partner now. Go to

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