Re: Simplify using assumptions and Gamma[*]
- To: mathgroup at smc.vnet.net
- Subject: [mg34770] Re: Simplify using assumptions and Gamma[*]
- From: Erk Jensen <Erk.Jensen at cern.ch>
- Date: Wed, 5 Jun 2002 03:38:34 -0400 (EDT)
- References: <adhru1$3uk$1@smc.vnet.net>
- Sender: owner-wri-mathgroup at wolfram.com
Michael Chang wrote:
> Hi,
>
> Since the Euler Gamma function is (n-1)! for n>=1 and n an integer, I
> was wondering why
>
> FullSimplify[Gamma[n], n>=1 && n \[Element] Integers]
>
> does not evaluate to (n-1)! ? Am I missing something here?
>
> Am I using the Assumptions capability incorrectly?
>
> Many thanks in advance,
>
> Michael
>
The question is: What do you consider "simpler"? Since
FullSimplify[(n-1)!]
results well in
Gamma[n]
Ciao
-erk-
--
Dr.-Ing. Erk JENSEN mailto:Erk.Jensen at cern.ch
CERN PS/RF L19510 http://cern.ch/Erk.Jensen
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