Re: NDSolve : Stopping condition
- To: mathgroup at smc.vnet.net
- Subject: [mg25451] Re: NDSolve : Stopping condition
- From: Jens-Peer Kuska <kuska at informatik.uni-leipzig.de>
- Date: Sun, 1 Oct 2000 02:44:32 -0400 (EDT)
- Organization: Universitaet Leipzig
- References: <8r1ata$ias@smc.vnet.net>
- Sender: owner-wri-mathgroup at wolfram.com
roelb wrote: > > Hi, > The default stoping conditions of NDSolve are : > - max steps, or, > - final time value reached. > > Is there a way to stop a running NDSolve simulation upon the value > reached by a variable of the model? > Something like that: > > NDSolve[{system, initialCondition},{x,y,z},{t,t0,tfinal},Stop->If[x[t]=0 > ]] > > Hi, ?StoppingTest "StoppingTest is an option for NDSolve that can be used to stop the \ integration of the ode when a certain condition is found to be True. The \ condition can evaluate to True/False only and should contain the dependent \ and independent variables explicitly. This option cannot be used for linear \ boundary value problems." Regards Jens