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MathGroup Archive 1992

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Recursion relation

  • To: mathgroup at yoda.physics.unc.edu
  • Subject: Recursion relation
  • From: "Miguel Martin-Delgado" <martind at puhep1.princeton.edu>
  • Date: Thu, 9 Jul 92 20:17:41 EDT

   Hi mathgroup,

   I'm trying to implement the following recursion relation for a
certain index function c[i]:



   c[i] = r[i]  - a[i,i-1]*c[i-1]


where r[i] and a[i,i-1] are given functions.

  Namely, I'd like to have a function c[i+n_Integer] giving me the
expression of  

   c[i+n]

in terms of 


   r[i+n],r[i+n-1],...,r[i] and c[i-1].

  DOES ANYBODY KNOW A WAY TO DO THIS ???

  Thanks in advance.

           
          Miguel Martin-Delgado   martind at puhep1.princeton.edu








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