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Re: entering an equation

  • To: mathgroup at
  • Subject: [mg21597] Re: [mg21592] entering an equation
  • From: Ken Levasseur <Kenneth_Levasseur at>
  • Date: Sun, 16 Jan 2000 22:43:45 -0500 (EST)
  • Organization: UMass Lowell Mathematical Sciences
  • References: <>
  • Sender: owner-wri-mathgroup at


The real domain of Log[2, Log[2,x]] is x>1 and the message that you
copied below indicates that you were plotting at a positive value less
than one.

Ken Levasseur
Math Sci.
UMass Lowell

Mark Woolard wrote:
> I am trying to plot a series of functions in is giving me
> trouble. I need : ln2 (ln2 x)
>     I enter: Log[2, Log[2,x]]
> and I get:
> is not a machine-size real \
> number at \!\(x\) = \!\(4.1666666666666667`*^-7\)."
> Does anyone have any suggestions?

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