Re: Min[], Max[]
- To: mathgroup at smc.vnet.net
- Subject: [mg48341] Re: Min[], Max[]
- From: Jens-Peer Kuska <kuska at informatik.uni-leipzig.de>
- Date: Tue, 25 May 2004 07:17:04 -0400 (EDT)
- Organization: Universitaet Leipzig
- References: <c8rutb$8nl$1@smc.vnet.net>
- Reply-to: kuska at informatik.uni-leipzig.de
- Sender: owner-wri-mathgroup at wolfram.com
Hi,
if you set up a recursive definition of Max[]
max[{}] := -Infinity
max[{a_, rest___}] := Module[{mr}, mr = Max[{rest}]; If[a > mr, a, mr]]
you see why the definition is usefull.
Regards
Jens
Frank Brand wrote:
>
> Dear newsgroup members,
>
> can anyone explain me what´s the sense in the definition of
>
> Min[{}]= Infinity and Max[{}]= -Infinity
>
> Thanks in advance
> Frank
>
> Prof. Dr. Frank Brand
> Budapester Str. 13
> 10787 Berlin
>
> +49 (0)30 - 25 79 36 62
> 0179 - 215 58 04
>
> frank.brand at t-online.de