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MathGroup Archive 2004

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RE: Plot bug?

  • To: mathgroup at
  • Subject: [mg47315] RE: [mg47294] Plot bug?
  • From: "David Park" <djmp at>
  • Date: Mon, 5 Apr 2004 05:22:52 -0400 (EDT)
  • Sender: owner-wri-mathgroup at


Try first...

Simplify[ArcCos[Cos[x]] - x, 0 <= x <= 1]

Or use a larger plot range.

Plot[ArcCos[Cos[x]] - x, {x, 0, 1},
    PlotRange -> {-1, 1},
    Frame -> True];

David Park
djmp at 

-----Original Message-----
From: Enrique Zeleny [mailto:ezeleny at]
To: mathgroup at
Subject: [mg47315] [mg47294] Plot bug?


My Mathematica 5.0 FrontEnd on Mandrake Linux hangs with

Plot[ArcCos[Cos[x]] - x, {x, 0, 1}]

I suspect the problem is that the argument is near $MachineEpsilon


Enrique Zeleny
Puebla, Mexico

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