MathGroup Archive 2002

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Machine-size real number?

  • To: mathgroup at
  • Subject: [mg33135] Machine-size real number?
  • From: "Mike O'Leary" <Gremmie at>
  • Date: Tue, 5 Mar 2002 03:08:37 -0500 (EST)
  • Sender: owner-wri-mathgroup at

I'm trying to plot this function

f[x_] := 1 - (Cos(\[ExponentialE]^(3x/4)))
{a, b} = {-1, 1.5}
Plot[f, {x, a, b}]

and I keep getting an error that says f is not a machine-size real number at
x = -1.  Any help would be appreciated.

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