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MathGroup Archive 2002

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Re: the meaning of a exponential plot in the negative region

  • To: mathgroup at smc.vnet.net
  • Subject: [mg36719] Re: the meaning of a exponential plot in the negative region
  • From: Erich Mueller <emueller at mps.ohio-state.edu>
  • Date: Fri, 20 Sep 2002 04:16:38 -0400 (EDT)
  • Organization: Ohio State University
  • References: <ambuqo$r2n$1@smc.vnet.net>
  • Sender: owner-wri-mathgroup at wolfram.com

The function you are plotting is constant for negative x.  You might want
to specify a plotrange, such as PlotRange->{0,2}, or Mathematica may try
to zoom in on the line and show you a picture of numerical noise.

Erich

On Thu, 19 Sep 2002, Juan Egea Garcia wrote:

> Dear colleagues,
>
> I'm trying to plot the next exponential function
>
> Plot[Exp[1/(Abs[x-1]-Abs[x-2])],Range]
>
> If the Range is positive there aren´t problems. However if the Range is
> negative Mathematica plots a strange beast...
>
> Have anyone found anything of this sort? I would apreciate to know how to
> resolve this problem.
>
> Thanks in advance, best regards,
>
>
> Juan Egea Garcia
> Bullas - Murcia - España
>
>
>



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