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MathGroup Archive 2005

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Re: Re: Bug in 5.1??

  • To: mathgroup at smc.vnet.net
  • Subject: [mg54528] Re: [mg54469] Re: Bug in 5.1??
  • From: DrBob <drbob at bigfoot.com>
  • Date: Tue, 22 Feb 2005 04:23:59 -0500 (EST)
  • References: <200502210844.DAA27157@smc.vnet.net>
  • Reply-to: drbob at bigfoot.com
  • Sender: owner-wri-mathgroup at wolfram.com

It doesn't make sense to ANYBODY, as far as I can tell.

But we're not supposed to complain, because somebody ALREADY complained (some time or another).

Bobby

On Mon, 21 Feb 2005 03:44:38 -0500 (EST), Dana DeLouis <delouis at bellsouth.net> wrote:

> Seems to me that the loss of precision returns an "Interval", which is still
> greater than zero.  It looks like the cutoff between True & False is a hair
> above -1, which doesn't make sense to me either.
>
> Interval[N[5, 2]]
> Interval[{4.9, 5.1}]
>
> N[5, 2] > -1
> True
>
> N[5, 2] > -1 + $MachineEpsilon
> False
>



-- 
DrBob at bigfoot.com
www.eclecticdreams.net


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