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MathGroup Archive 2001

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Definition of an exponential function

  • To: mathgroup at
  • Subject: [mg31665] Definition of an exponential function
  • From: "PSi" <psino at>
  • Date: Fri, 23 Nov 2001 05:46:52 -0500 (EST)
  • Organization: National Technical University of Athens, Greece
  • Sender: owner-wri-mathgroup at

I want to define a function with the properties of Exp.
The definition
f[m_  x_]:=f[x]^m
f[x]^2 f[-x]^2=1
f[x]^m f[-x]^m=(1/f[x])^m (f[x])^m.
Is there a way in Mathematica 4.1 to obtain f[x]^m f[-x]^m=1?

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