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MathGroup Archive 2004

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Re: Expansion of an exponential expression

  • To: mathgroup at smc.vnet.net
  • Subject: [mg47247] Re: Expansion of an exponential expression
  • From: Andrzej Kozlowski <akoz at mimuw.edu.pl>
  • Date: Thu, 1 Apr 2004 00:03:27 -0500 (EST)
  • References: <200403300902.EAA06956@smc.vnet.net>
  • Sender: owner-wri-mathgroup at wolfram.com

On 30 Mar 2004, at 18:02, 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?

There is always PowerExpand.


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