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MathGroup Archive 2004

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RE: Min[], Max[]

  • To: mathgroup at
  • Subject: [mg48329] RE: [mg48320] Min[], Max[]
  • From: "Ingolf Dahl" <ingolf.dahl at>
  • Date: Tue, 25 May 2004 07:16:44 -0400 (EDT)
  • Sender: owner-wri-mathgroup at

Say that we have two sets A and B.
Then we should have
If B is an empty set, Mathematica could represent Max[B] as Max[] or
If Max[]=-Infinity, the above relation for Max[Union[A,B]] is valid for an
empty set B combined with any set A. For any other value x of of Max[], the
set A = {x-1} combined with the empty set B will make the relation

Ingolf Dahl

>-----Original Message-----
>From: Frank Brand [mailto:fank.brand at]
To: mathgroup at
>Sent: Monday, May 24, 2004 06:45
>To: mathgroup at
>Subject: [mg48329] [mg48320] Min[], Max[]
>Dear newsgroup members,
>can anyone explain me what´s the sense in the definition of
>Min[{}]= Infinity and Max[{}]= -Infinity
>Thanks in advance
>Prof. Dr. Frank Brand
>Budapester Str. 13
>10787 Berlin
>+49 (0)30 - 25 79 36 62
>0179 - 215 58 04
>frank.brand at

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