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MathGroup Archive 2006

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Re: How to stop NDSolve on a given curve?

  • To: mathgroup at smc.vnet.net
  • Subject: [mg70768] Re: How to stop NDSolve on a given curve?
  • From: Jean-Marc Gulliet <jeanmarc.gulliet at gmail.com>
  • Date: Fri, 27 Oct 2006 00:28:04 -0400 (EDT)
  • Organization: The Open University, Milton Keynes, UK
  • References: <ehpler$j9t$1@smc.vnet.net>

Pavel Pokorny wrote:
>   Dear Mathematica friends,
> 
> how can I tell NDSolve to stop when a given condition is true?
> I want to stop when the trajectory reaches a given manifold
> (a given line for a 2-dim problem), say x==1.
> 
> Thanks for any help
> 
Hi Pavel,

Have a look at

Built-in Functions --> Advanced Documentation --> Differential Equations 
--> NDSolve --> ODE Integration Methods --> Controller methods --> Event 
Locator
http://documents.wolfram.com/mathematica/Built-inFunctions/AdvancedDocumentation/DifferentialEquations/NDSolve/ODEIntegrationMethods/ControllerMethods/EventLocation.html

Regards,
Jean-Marc


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