NIntegrate and NDSolve

• To: mathgroup at smc.vnet.net
• Subject: [mg56476] NIntegrate and NDSolve
• From: Matt Flax <flatmax at Matt.Flax>
• Date: Tue, 26 Apr 2005 21:52:31 -0400 (EDT)
• Reply-to: Matt Flax <flatmax at ieee.org>
• Sender: owner-wri-mathgroup at wolfram.com

Hello,

I have an equation which depends on the integral and differential
of an unknown function f[x,y,z].

I would like to solve this equation analytically, however am happy with a
numerical solution if that is necessary.

The equation contains the unknown (f[x,y,z]) which I would like to solve
for and has integrals of differentials like this :

Integral [ d f[x,y,z] / dz  , dx]
Integral [ d f[x,y,z] / dx  , dz]

It is set up like this :

(Integral [ d f[x,y,z] / dz  , dx] )(knownTrigPoly1[y]) +
(Integral [ d f[x,y,z] / dx  , dz] )(knownTrigPoly2[y]) == 0

Any I would like to solve for f[x,y,z] (numerically if necessary).

Can anyone let me know how to use DSolve or another function to solve
this equation for f[x,y,z] ?

thanks
Matt
--
http://www.flatmax.org

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