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NIntegrate and NDSolve

  • To: mathgroup at
  • 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>
  • Sender: owner-wri-mathgroup at


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] ?


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