Re: NDSolve - how to bypass safety chceck?
- To: mathgroup at smc.vnet.net
- Subject: [mg111310] Re: NDSolve - how to bypass safety chceck?
- From: "J. Batista" <jbatista800 at gmail.com>
- Date: Tue, 27 Jul 2010 04:17:04 -0400 (EDT)
Here is a possible answer to your question. You can append the option MaxSteps -> Infinity to the end of your NDSolve command line. This will allow NDSolve to use an unlimited number of steps in generating a solution. Hopefully this helps. Regards, J. Batista On Mon, Jul 26, 2010 at 6:39 AM, slawek <slawek at host.pl> wrote: > I have got an DDE/ODE equation: for parameter d < 0.8 the solutions are > non-chaotic, for d > 0.9 the solutions are chaotic. > > Mathematica NDSolve works fine for d < 0.8 . > > The problem is NDSolve has got a kind of "safety chceck" - for d > 0.9 it > gives a warning "Maximum number of ... steps reached at the point" - and > gives no solution. I want to bypass the checking - and turn NDSolve to a > dumb routine which gives any noise solution just to show that the solution > is noisy, chaotic and so on. > > Obviously, it would be possible to use any programing language to implement > an naive integration scheme. But I would like use an option in NDSolve, to > avoid the change of the environment. > > Any suggestions, please? > > slawek > > > >