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Re: How to solve an implicit system?
*To*: mathgroup at smc.vnet.net
*Subject*: [mg54566] Re: [mg54538] How to solve an implicit system?
*From*: DrBob <drbob at bigfoot.com>
*Date*: Wed, 23 Feb 2005 03:11:36 -0500 (EST)
*References*: <200502220924.EAA10844@smc.vnet.net>
*Reply-to*: drbob at bigfoot.com
*Sender*: owner-wri-mathgroup at wolfram.com
The solutions are periodic functions (with period 1):
Simplify[{y[t + 1] ==
y[t] + (y[t + 1] - y[t]) +
(z[t + 1] - z[t]),
z[t + 1] == z[t] +
(y[t + 1] - y[t]) +
(z[t + 1] - z[t])}]
{z[t] == z[1 + t], y[t] == y[1 + t]}
Bobby
On Tue, 22 Feb 2005 04:24:32 -0500 (EST), bananalimone <bananalimone at libero.it> wrote:
> I've to solve the following (simplificated) system:
>
> y[t+1]=y[t]+(y[t+1]-y[t])+(z[t+1]-z[t])
> z[t+1]=z[t]+(y[t+1]-y[t])+(z[t+1]-z[t])
>
> I would like to choose the iterative way, but I don't know how to
> start. Anyway any solution is accepted!
>
> Please help me.
>
> \bananalimone
>
>
>
>
--
DrBob at bigfoot.com
www.eclecticdreams.net
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