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MathGroup Archive 2007

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Re: NDSolve. Getting the final values

  • To: mathgroup at smc.vnet.net
  • Subject: [mg74214] Re: NDSolve. Getting the final values
  • From: Jean-Marc Gulliet <jeanmarc.gulliet at gmail.com>
  • Date: Wed, 14 Mar 2007 03:56:06 -0500 (EST)
  • Organization: The Open University, Milton Keynes, UK
  • References: <200703021137.GAA03828@smc.vnet.net> <et3797$qq7$1@smc.vnet.net>

Chrisantha wrote:
> Dear All,
> 
> Please could you explain how I can get the final values from the  
> output of NDSolve, and use them to re-initialize NDSolve with those  
> values and an altered parameter.
> 
> Yours,
> Chrisantha
> 
> 
The option *EventLocator* might be helpful: "It is often useful to be 
able to detect and precisely locate a change in a differential system. 
For example, with the detection of a singularity or state change, the 
appropriate action can be taken, such as restarting the integration."

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

Regards,
Jean-Marc


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