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Re: Asymptote strangeness...

  • To: mathgroup at smc.vnet.net
  • Subject: [mg38847] Re: Asymptote strangeness...
  • From: Jens-Peer Kuska <kuska at informatik.uni-leipzig.de>
  • Date: Thu, 16 Jan 2003 03:18:44 -0500 (EST)
  • Organization: Universitaet Leipzig
  • References: <b033br$n11$1@smc.vnet.net>
  • Reply-to: kuska at informatik.uni-leipzig.de
  • Sender: owner-wri-mathgroup at wolfram.com

Hi,

and for x<0, Abs[x] is -x and

(x + 2)/(Abs[x] - 2) 

is (x+2)/(-x-2)== -1


Regards
  Jens


Mike Summers wrote:
> 
> It seems to me that this:
> 
> f[x] = (x + 2)/(Abs[x] - 2)
> 
> should have asymptotes at 2 & -2.
> 
> Plot[Evaluate[f[x]], {x, -5, 5}] only shows the asymptote at 2.
> 
> Suggestions?
> 
> Thanks-- Mike


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