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Simultaneous difference equation

  • To: mathgroup at
  • Subject: [mg30600] Simultaneous difference equation
  • From: Shusaku Yamamoto <shusaku.yamamoto at>
  • Date: Thu, 30 Aug 2001 03:51:55 -0400 (EDT)
  • Organization: Monash University
  • Sender: owner-wri-mathgroup at

Hello, I have just started using (or more appropriately trying to use)
Mathematica. As you expect, I have a problem. I would like to know
Mathematica code for solving simultaneous difference eqation; for

a_21* x(t)+a_22*y(t)=a_23*x(t-1)+a_24*y(t-1)+k_2

Or, in matrix notation,


t denotes time t, and t-1 is one period before time t.

I have go through help menu in Mathematica. Yet, I could not get reached
to the topic of difference equation. If you know the code (or what to be
typed), could you reply this message? 

Thank you very much in advance.

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