MathGroup Archive 2005

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

Search the Archive

Re: How to solve an implicit system?


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


  • Prev by Date: Re: How do you set the search directory for packages?
  • Next by Date: Computing Complex Series Solution using Mathematica (using BesselI)
  • Previous by thread: How to solve an implicit system?
  • Next by thread: Re: How to solve an implicit system?