Re: Coupled Differential Equations
- To: mathgroup at smc.vnet.net
- Subject: [mg34772] Re: Coupled Differential Equations
- From: Jens-Peer Kuska <kuska at informatik.uni-leipzig.de>
- Date: Thu, 6 Jun 2002 01:54:54 -0400 (EDT)
- Organization: Universitaet Leipzig
- References: <adkf9d$9u8$1@smc.vnet.net>
- Reply-to: kuska at informatik.uni-leipzig.de
- Sender: owner-wri-mathgroup at wolfram.com
Hi,
something like
n = 5;
Table[
V[k]'[t] ==
V[k][t] + Sum[V[k][t]*V[j][t]*(1 - KroneckerDelta[j, k]), {j, 0,
n}], {k,
0, n}]
??
Regards
Jens
Cyrill Slezak wrote:
>
> I understand that NDSolve will solve a set of first order coupled. diff.eqn.
> Here is my problem: I have a set of 20+ equation that all have the exact
> same structure and I can't seem to find an easy way to input them. For any
> help I'd be highly appreciative. The equations are of the form
>
> d V_k(l)/d l = V_k(l) + Sum[ V_k'(l), (k not equal k')]
>
> where k is the number of diff. eqn.
>
> Thanks for any help,
>
> Cyrill