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Re: Machine-size real number?

  • To: mathgroup at smc.vnet.net
  • Subject: [mg33171] Re: Machine-size real number?
  • From: "Ken Morgan" <kmorga51 at calvin.edu>
  • Date: Wed, 6 Mar 2002 01:56:02 -0500 (EST)
  • References: <a61uom$gom$1@smc.vnet.net>
  • Sender: owner-wri-mathgroup at wolfram.com

First, cosine must be written as Cos[...], not Cos(...).
Second, you want to plot f[x], not f.


"Mike O'Leary" <Gremmie at cinci.rr.com> wrote in message
news:a61uom$gom$1 at smc.vnet.net...
> 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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