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MathGroup Archive 2004

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RE: Re: Distinguishable From 1.0

  • To: mathgroup at
  • Subject: [mg47771] RE: [mg47755] Re: Distinguishable From 1.0
  • From: "DrBob" <drbob at>
  • Date: Mon, 26 Apr 2004 02:41:20 -0400 (EDT)
  • Sender: owner-wri-mathgroup at

The last bit is uncertain.


-----Original Message-----
From: Harold Noffke [mailto:Harold.Noffke at] 
To: mathgroup at
Subject: [mg47771] [mg47755] Re: Distinguishable From 1.0


I value your insight.  Could you please elaborate on how we get from

"... except that it considers Real numbers equal if their difference
is less than the uncertainty of either of them."

to ...

"A pair of machine numbers that differ only in the last bit are thus
regarded as identical by SameQ."


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