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Re: custom coordinate systems in mathematica Help!

  • To: mathgroup at smc.vnet.net
  • Subject: [mg97094] Re: custom coordinate systems in mathematica Help!
  • From: "Sjoerd C. de Vries" <sjoerd.c.devries at gmail.com>
  • Date: Thu, 5 Mar 2009 04:54:16 -0500 (EST)
  • References: <golr2n$qd9$1@smc.vnet.net>

Magician,

As far as I can see in recent history no one going by your nickname
has posted a question on this topic.

Anyways, there is a vector analysis package in Mathematica (found in a
5 sec search) that knows about 14 different coordinate systems and can
do the tricks you ask for. If your coordinate system is included
you're lucky. If your system is not, you might consider extending the
package. That doesn't seem to be too difficult as it is plain
Mathematica code and you've 14 examples in it that show you how to set
up a new coordinate system.

Cheers -- Sjoerd



On Mar 4, 2:09 pm, Magician <jadoo.d... at gmail.com> wrote:
> Hi!,
> HELP!
>
> I've asked this question a couple of times but never received an
> answer.
>
> I have a new coordinate system to deal with.
> x=f(u, v,w)
> y=g(u,v,w)
> z=h(u,v,w)
> (x,y,z) are Cartesian
> and it's inverse is known.
> How can I program this in Mathematica and compute the gradient, curl,
> divergence, laplacian
> and other operators in this coordinate system ????



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