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Re: LSODE: Outputting Non-integrated States

From: Travis
Subject: Re: LSODE: Outputting Non-integrated States
Date: Tue, 3 Jun 2003 12:07:49 -0500
User-agent: KMail/1.5

Yeah, it gives you some nice "string art"-type graphs as it jumps forward and 
backward in time.  Interesting to show the internal workings of the 
integration routine, but as a practical matter I imagine it would take more 
post-processing to pick out the correct points than it would to  recalculate 
the flows.

Thanks anyway,

On June 3, 2003 04:10 am, Andrey Romanenko wrote:
> Hi!
> > Is it possible for LSODE to output data for states other than the 'dy'
> > values?
> I guess your best bet is to use global variables and save the flowrates
> there. Then you will be able to access them from your code outside
> lsode. However, I wouldn't rely much on that information because lsode
> makes several calls to the ODE function and you may end up with the
> flowrates calculated for intermediate values of the state vector.
> Danger, Will Robinson, danger.
> Andrey

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