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Topic: Solving an unusual system of ODES
Replies: 7   Last Post: Apr 10, 2013 3:24 AM

 Messages: [ Previous | Next ]
 DRG Posts: 44 Registered: 12/8/08
Re: Solving an unusual system of ODES
Posted: Apr 9, 2013 9:32 AM

Hmm.. that is quite unexpected! Alright, so can we extend this for the case

C(RN) = 0
dC/dr (RN) =! 0 ?

DRG

On Tuesday, April 9, 2013 2:15:07 PM UTC+1, Torsten wrote:
> D R G <grimesd2@gmail.com> wrote in message <5c502161-10e9-4863-9e76-57617f33fb35@googlegroups.com>...
>

> > Yes, that is what I want to solve; however, the case you're referring to is I believe the trivial case; we have already solved for when k = 0, and got a non-trivial solution. As K is small, this will be close to it and there will be non zero solutions.
>
> >
>
> > Regards
>
> >
>
> > DRG
>
> >
>
>
>
> No, y=0 is the only solution that satisfies your differential equation together with the two boundary conditions - also for the case K and/or J not equal to 0.
>
> You will have to change the boundary conditions to get a solution different from y=0.
>
>
>
> Best wishes
>
> Torsten.

Date Subject Author
4/9/13 DRG
4/9/13 Torsten
4/9/13 DRG
4/9/13 Torsten
4/9/13 DRG
4/10/13 Torsten
4/10/13 Torsten
4/10/13 Torsten