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MathGroup Archive 2007

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Limit of Floor function

  • To: mathgroup at smc.vnet.net
  • Subject: [mg73830] Limit of Floor function
  • From: Eric Smith <eric at brouhaha.com>
  • Date: Thu, 1 Mar 2007 06:21:35 -0500 (EST)

Mathematica 5.2 evaluates one-sided limits of the Floor function
correctly.  But if I just ask:

   Limit[Floor[x],x->10]

It replies "10".  Shouldn't it tell me the limit is undefined,
since the Floor function has a step discontinuity at every integer
value?

Thanks,
Eric


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