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Re: Bug in Limit ?

  • To: mathgroup at smc.vnet.net
  • Subject: [mg26006] Re: [mg25951] Bug in Limit ?
  • From: Andrzej Kozlowski <andrzej at tuins.ac.jp>
  • Date: Wed, 15 Nov 2000 02:09:53 -0500 (EST)
  • Sender: owner-wri-mathgroup at wolfram.com

on 00.11.14 5:46 PM, AGUIRRE ESTIBALEZ Julian at mtpagesj at lg.ehu.es wrote:

> This looks like a bug in the package Calculus`Limit`
> 
> In[1]:= $Version
> Out[1]= "4.0 for Power Macintosh (July 20, 1999)"
> 
> In[2]:= << Calculus`Limit`
> 
> In[3]:= Limit[(2^(n + 1) + 3^(n + 1))/(2^n + 3^n), n -> Infinity]
> Out[3]= 9
> 
> The calcultion was done in a G4. The same result was obtained in version 3
> under windows.
> 
> Julian Aguirre            | Voice:  +34 946012659
> Departamento de Matematicas    | Fax:    +34 944648500
> Universidad del Pais Vasco    | Postal: Aptdo. 644, 48080 Bilbao, Spain
> | email:  mtpagesj at lg.ehu.es
> 
> 
It certainly is a bug. Moreover:

In[1]:=
<< Calculus`Limit`

In[2]:=
 Limit[Apart[(2^(n + 1) + 3^(n + 1))/(2^n + 3^n)], n -> Infinity]

Out[2]=
3
which is correct. 

-- 
Andrzej Kozlowski
Toyama International University
JAPAN

http://platon.c.u-tokyo.ac.jp/andrzej/
http://sigma.tuins.ac.jp/



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