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Re: Extracting NDSolve calculated points

• To: mathgroup at smc.vnet.net
• Subject: [mg44712] Re: Extracting NDSolve calculated points
• From: Jens-Peer Kuska <kuska at informatik.uni-leipzig.de>
• Date: Sat, 22 Nov 2003 02:17:08 -0500 (EST)
• Organization: Universitaet Leipzig
• References: <bpkqhh$ck9$1@smc.vnet.net>
• Reply-to: kuska at informatik.uni-leipzig.de
• Sender: owner-wri-mathgroup at wolfram.com

Hi,

look what the StepMonitor and EvaluationMonitor option of NDSolve[]
can do for you.

Regards
  Jens

Ashod André Aradian wrote:
> 
>             Hi all,
> 
>     Here is a simple question -- which probably has received an answer
> earlier, but I couldn't spot it in the archive.
> Is there a way, when solving ODEs with NDSolve, to extract from the
> output the value of the solution *actually* computed by the algorithm at
> each step of the iteration?
> (I do not wish to use interpolated values from the InterpolationFunction
> returned by NDSolve).
> 
>     Many thanks for your help.
>     Best wishes,
> 
>             Ashod.