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MathGroup Archive 2003

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RSolve v.5 serious bug

  • To: mathgroup at
  • Subject: [mg44102] RSolve v.5 serious bug
  • From: Adriano Pascoletti <pascolet at>
  • Date: Thu, 23 Oct 2003 07:14:43 -0400 (EDT)
  • Sender: owner-wri-mathgroup at

Mathematica v. 4 correctly solves the following simple couple of linear  

RSolve[{Ts[k]==2Tp[k-1]+1, Tp[k]==2Tp[k-1]+Ts[k-1]+2,  

With Mathematica v.5 the computation enters a never ending loop.
I found this bug using Mac OS X 10.2.8 but the same happens on Windows  
systems too.

Any hint?

Adriano Pascoletti


Adriano Pascoletti
Dipartimento di Matematica e Informatica
Universita' di Udine
Via delle scienze 206
I-33100 Udine

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