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MathGroup Archive 2001

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Automatic expansion of Log[a^n] for a, n explicit positive integers?

  • To: mathgroup at smc.vnet.net
  • Subject: [mg28180] Automatic expansion of Log[a^n] for a, n explicit positive integers?
  • From: Harald Anlauf <anlauf at hep.tu-darmstadt.de>
  • Date: Tue, 3 Apr 2001 02:37:58 -0400 (EDT)
  • Organization: TU Darmstadt
  • Sender: owner-wri-mathgroup at wolfram.com

Hi,

is there a way to force Mathematica 4.0 to always expand expressions like

Log[4], Log[8], Log[16], etc. to 2*Log[2] etc.

automatically?

It is very annoying to have such logarithms expanded manually each
time they pop up again...

PowerExpand[] apparently does not help/work.

-- 
Ciao,
-ha


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