Re: Table through zero...strange
- To: mathgroup at smc.vnet.net
- Subject: [mg67011] Re: Table through zero...strange
- From: "David W.Cantrell" <DWCantrell at sigmaxi.org>
- Date: Wed, 7 Jun 2006 05:09:07 -0400 (EDT)
- References: <e63mqt$kqd$1@smc.vnet.net>
- Sender: owner-wri-mathgroup at wolfram.com
"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]}
Just use exact, instead of approximate, numbers:
In[47]:= Table[x, {x, -1/10, 0, 2/100}]
Out[47]= {-1/10, -2/25, -3/50, -1/25, -1/50, 0}
In[48]:= N[%]
Out[48]= {-0.1, -0.08, -0.06, -0.04, -0.02, 0.}
David
> 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.