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MathGroup Archive 2004

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Re: Expansion of an exponential expression

  • To: mathgroup at smc.vnet.net
  • Subject: [mg47234] Re: Expansion of an exponential expression
  • From: Jens-Peer Kuska <kuska at informatik.uni-leipzig.de>
  • Date: Wed, 31 Mar 2004 02:59:13 -0500 (EST)
  • Organization: Universitaet Leipzig
  • References: <c4bdrj$6uu$1@smc.vnet.net>
  • Reply-to: kuska at informatik.uni-leipzig.de
  • Sender: owner-wri-mathgroup at wolfram.com

Hi,


FullSimplify[anlog, Element[{t, h}, Reals] && h > 0 && t > 0]

Regards
  Jens

Carlos Felippa wrote:
> 
> As a result of some calculations I have
> (a snipet of a more complex expression)
> 
> anlog= Log[ ((2 + Sqrt[1 + 2*h])^(-1))^(t/h)   ]
> 
> I would like to simplify this to
> 
> anlog= (t/h) Log[((2 + Sqrt[1 + 2*h])^(-1))   ]
> 
> so I can then take the Taylor series in h.
> But FullSimplify[anlog,h>0]  doesnt do it.
> Do i need a ComplexityFunction?


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