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Re: Laplce equation

  • To: mathgroup at
  • Subject: [mg40007] Re: Laplce equation
  • From: Ferdinand <ferdinand.cap at>
  • Date: Fri, 14 Mar 2003 04:47:44 -0500 (EST)
  • Sender: owner-wri-mathgroup at

Dear Nguyen Binh Minh,

I suggest the setup U[r,theta,phi]=R[r]T[theta]F[phi]



gives ordinary differential equations for

R[r],     T[theta], and F[phi].

Depending on the location of your demicircle depending on theta, you
solve the
boundary value  problem for F[phi],

see for instance page 99 equation (3.1.79) of

Mathematical Methods of Physics and Engineeering with
Mathematica, CRCPress, Tokyo 2003

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