In article <3995801A.AC206C81@kivisalo.net>, Kari Kivisalo 
<kar### [at] kivisalonet> wrote:

> Here is the theory on 2d electrical potential and how to obtain 
> numerical approximation using difference equations and iterations. 
> This can be solved with FFT also but I don't yet know how. Should be 
> easy enough to find: "solving poisson with fft". Numerical Recipes 
> has nice code for 3D FFT which calculates the solution in-place 
> saving memory.

Thanks...it looks like it will take a while to analyze this and convert 
it to 3d, though. I guess it would help if I had some calculus...and 
don't expect a FFT solving method from me. :-)

-- 
Christopher James Huff - Personal e-mail: chr### [at] maccom
TAG(Technical Assistance Group) e-mail: chr### [at] tagpovrayorg
Personal Web page: http://homepage.mac.com/chrishuff/
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