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MathGroup Archive 2004

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make 0*Infinity = 0

  • To: mathgroup at
  • Subject: [mg47257] make 0*Infinity = 0
  • From: Daniel Reeves <dreeves at>
  • Date: Thu, 1 Apr 2004 00:03:54 -0500 (EST)
  • Sender: owner-wri-mathgroup at

I'm really stumped on how to make 0*Infinity evaluate to 0.
I've tried all the obvious things, like
 Infinity*0 = 0;
along with all the variations I can think of using UpSet and 
DirectedInfinity[_], etc.
Alas, 0*Infinity always comes back with Indeterminate.


--  - -  google://"Daniel Reeves"

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Pessimist: The glass is half empty.
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