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Re: boundary condition

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  • Subject: [mg99705] Re: boundary condition
  • From: Szabolcs Horvát <szhorvat at>
  • Date: Mon, 11 May 2009 06:27:49 -0400 (EDT)
  • References: <gu666f$9sk$>

Janpou Nee wrote:
> Could anybody tell me why this does work (periodic boundary condition)?
> pde = {0 == D[u[x, y], x, x] + D[u[x, y], y, y]};
> bc = {u[x, 0] == u[x, 2*Pi], u[1, y] == u[2, y]};
> And how should I fix it?

You did not say what you were trying to do with those equations.  Trying 
to apply NDSolve to them will give an error because NDSolve doesn't 
support elliptic problems.

See here:

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