Re: Re: Formatting Numeric Outpuit

• To: mathgroup at smc.vnet.net
• Subject: [mg104859] Re: [mg104821] Re: [mg104782] Formatting Numeric Outpuit
• From: Murray Eisenberg <murray at math.umass.edu>
• Date: Thu, 12 Nov 2009 06:01:34 -0500 (EST)
• Organization: Mathematics & Statistics, Univ. of Mass./Amherst
• References: <200911110925.EAA29212@smc.vnet.net>

```That NumberForm does not have attribute Listable does not seem to be the
whole story, since in fact NumberForm does act upon the individual
numbers in a List when it directly displays that list. For example:

n1 = RandomReal[100, 2];
NumberForm[n1, {3, 3}]
{68.900,6.860}

Bob Hanlon wrote:
> n1 = RandomReal[100, 10];
>
> (n2 = NumberForm[n1, {3, 3}])//FullForm
>
> Look at the FullForm of your n2.  Then note that NumberForm does not have the attribute Listable.
>
> Attributes[NumberForm]
>
> {Protected}
>
> Use
>
> n2 = NumberForm[#, {3, 3}] & /@ n1;
>
> Column[n2, Right]
>
>
> Bob Hanlon
>
> ---- BenT <brtubb at pdmusic.org> wrote:
>
> =============
> Please consider these Mathematica 7 code Input lines:
>
> n1 = RandomReal[100, 10]
>
> n2 = NumberForm[n1, {3, 3}]
>
> Column[n2, Right]
>
> What I expected to get was "ignored", namely right aligned "arbitrary"
> numeric data with 3 digits to the right, and 3 digits to the left of
> the decimal point) formatted in a single column. How can this be
> achieved with any numeric list of data?
>
> --- Benjamin Tubb
>
>
> --
>
> Bob Hanlon
>
>

--
Murray Eisenberg                     murray at math.umass.edu
Mathematics & Statistics Dept.
Lederle Graduate Research Tower      phone 413 549-1020 (H)
University of Massachusetts                413 545-2859 (W)
710 North Pleasant Street            fax   413 545-1801
Amherst, MA 01003-9305

```

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