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MathGroup Archive 2004

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Re: Min[], Max[]

  • To: mathgroup at smc.vnet.net
  • Subject: [mg48385] Re: [mg48320] Min[], Max[]
  • From: Garry Helzer <gah at math.umd.edu>
  • Date: Wed, 26 May 2004 02:41:49 -0400 (EDT)
  • References: <200405240445.AAA08846@smc.vnet.net>
  • Sender: owner-wri-mathgroup at wolfram.com

Hi Franki,

Such definitions make standard identities true in all cases. For 
example, if A and B are lists of numbers then

Min[Union[A,B]]==Min[{Min[A],Min[B]}]

Suppose that A=={}.

--Garry

On May 24, 2004, at 12:45 AM, 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
>
>
Garry Helzer
Department of Mathematics
University of Maryland
College Park, MD 20742
301-405-5176
gah at math.umd.edu


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