How to solve an implicit system?

• To: mathgroup at smc.vnet.net
• Subject: [mg54538] How to solve an implicit system?
• From: bananalimone at libero.it (bananalimone)
• Date: Tue, 22 Feb 2005 04:24:32 -0500 (EST)
• Sender: owner-wri-mathgroup at wolfram.com

```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!