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How to use Fourier (fft) to solve eplliptic partial differential equation?

• To: mathgroup at smc.vnet.net
• Subject: [mg82683] How to use Fourier (fft) to solve eplliptic partial differential equation?
• From: Dave <daikan1998 at tom.com>
• Date: Sun, 28 Oct 2007 04:04:52 -0500 (EST)

Dear guys:

    Does's anyone how to use Fourier (fft) function in mathematica to
solve eplliptic partial differential equation? It's a pseudospectal
method.
    Very thanks!
 
Dave