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Re: Bug in Limit

  • To: mathgroup at smc.vnet.net
  • Subject: [mg96492] Re: [mg96426] Bug in Limit
  • From: Andrzej Kozlowski <akoz at mimuw.edu.pl>
  • Date: Sat, 14 Feb 2009 03:13:51 -0500 (EST)
  • References: <200902130844.DAA26715@smc.vnet.net>

Its a bug. Note that

Limit[((-1)^n*n)/((-1)^n*n + 1), n -> Infinity,
    Assumptions -> Mod[n, 2] == 0]
1

and

Limit[((-1)^n*n)/((-1)^n*n + 1), n -> Infinity,
    Assumptions -> Mod[n, 2] == 1]
1

Andrzej Kozlowski

On 13 Feb 2009, at 08:44, azzteke wrote:

> In both V6 and V7 Limit[((-1)^n*n)/((-1)^n*n + 1), n -> Infinity]
> gives 0 instead of 1.
> Any idea?
>
> Thanks
> Klaus
>



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