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Re: Undesired horizontal line in Plot / Bug?

  • To: mathgroup at smc.vnet.net
  • Subject: [mg118161] Re: Undesired horizontal line in Plot / Bug?
  • From: "Kevin J. McCann" <Kevin.McCann at umbc.edu>
  • Date: Fri, 15 Apr 2011 03:54:33 -0400 (EDT)
  • References: <io6cv7$doh$1@smc.vnet.net> <io6kjc$ffk$1@smc.vnet.net>

I don't see it with Windows7 64-bit Mathematica 8.0.1

fD[n_, cZ_] := 137^2/Sqrt[1 + cZ^2/(137 n + Sqrt[137^2 - cZ^2])^2];
Plot[{fD[1, z], fD[5, z]}, {z, 1, 137}, Frame -> True,
  PlotRange -> Automatic]

Kevin

On 4/14/2011 7:08 AM, Albert Retey wrote:
> fD[n_, cZ_] := 137^2/Sqrt[1 + cZ^2/(137*n + Sqrt[137^2 - cZ^2])^2];
>>
>>  and plotting, e.g.,
>>
>>  Plot[{fD[1, z], fD[5, z]}, {z, 1, 137}, Frame ->   True,
>>     PlotRange ->   Automatic]


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