MathGroup Archive 2003

[Date Index] [Thread Index] [Author Index]

Search the Archive

Re: NDSolve: Precision and Stability

  • To: mathgroup at smc.vnet.net
  • Subject: [mg42488] Re: NDSolve: Precision and Stability
  • From: "Kevin J. McCann" <kjm@KevinMcCann>
  • Date: Fri, 11 Jul 2003 02:57:50 -0400 (EDT)
  • References: <beh277$qk2$1@smc.vnet.net> <bej612$5m8$1@smc.vnet.net>
  • Sender: owner-wri-mathgroup at wolfram.com

Bob,

I got lots of error messages with your code - MaxSteps exceeded etc. The
final plot looks correct by only goes to about x = 5.

Kevin

"Bob Hanlon" <bobhanlon at aol.com> wrote in message
news:bej612$5m8$1 at smc.vnet.net...
> Extend the working precision
>
> Result1=NDSolve[{-5-5x-V[x]-V'[x]+0.3V''[x]==0,V[0]==0,V'[0]==-5},
>       V,{x,0,20}, WorkingPrecision->50];
> Plot[Evaluate[V[x]/.Result1],{x,0,20}];
>
>
> Bob Hanlon



  • Prev by Date: Re: The 5.0 Front End
  • Next by Date: A short question about SetDelayed[]
  • Previous by thread: Re: NDSolve: Precision and Stability
  • Next by thread: Re: NDSolve: Precision and Stability