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MathGroup Archive 2005

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Re: NSolve an equation involving NIntegrate

  • To: mathgroup at smc.vnet.net
  • Subject: [mg55702] Re: [mg55699] NSolve an equation involving NIntegrate
  • From: Chris Chiasson <chris.chiasson at gmail.com>
  • Date: Mon, 4 Apr 2005 00:59:09 -0400 (EDT)
  • References: <200504030951.FAA15780@smc.vnet.net>
  • Reply-to: Chris Chiasson <chris.chiasson at gmail.com>
  • Sender: owner-wri-mathgroup at wolfram.com

Set up an equivalent differential equation (integration is just a
special case of a differential equation) and use NDSolve.

On Apr 3, 2005 5:51 AM, isolanoster at gmail.com <isolanoster at gmail.com> wrote:
> Hi all,
> 
> I need to numerically solve an equation involving an integral. I'm
> currently doing the following:
> 
> NSolve[NIntegrate[ f[s, x] , {s, 1, 10}] == 0, x ]  (*)
> 
> where f[s, x] is a function that can be only be numerically integrated
> with respect to s.
> 
> The problem with (*) is that NSolve does not pass the numerical value
> of x to NIntegrate. What is the best way to solve the problem?
> 
> Thank you!
> 
> David
> 
> 


-- 
Chris Chiasson
Kettering University
Mechanical Engineering
Graduate Student
1 810 265 3161


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