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MathGroup Archive 2006

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Re: Table through zero...strange

  • To: mathgroup at smc.vnet.net
  • Subject: [mg67019] Re: [mg66988] Table through zero...strange
  • From: Bob Hanlon <hanlonr at cox.net>
  • Date: Wed, 7 Jun 2006 05:09:29 -0400 (EDT)
  • Reply-to: hanlonr at cox.net
  • Sender: owner-wri-mathgroup at wolfram.com

Imprecise numbers give imprecise results. To get precise results use precise numbers.

Table[x, {x, -1/10, 0, 1/50}]

or 

Table[x, {x, -0.1, 0, 0.02}]//Chop


Bob Hanlon

---- leptonic <leptonic at gmx.ch> wrote: 
> Hello,
> 
> When i type in Mathematica (version 4) Table[x, {x, -0.1, 0, 0.02}]
> 
> it gives me {-0.1, -0.08, -0.06, -0.04, -0.02, -3.46945 x 10-18]}
> but for example Table[x, {x, -0.1, 0, 0.05}] will give a reasonable
> {-0.1, -0.05, 0.}.
> 
> Probably a very stupid question but i can't figure out why the zero
> makes problem.
> 
> Thanks for any help.
> 

--

Bob Hanlon
hanlonr at cox.net



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