How do I typeset two close vertical lines as in ||x||=1 ?

How do I typeset two close vertical lines as in ||x||=1 ?

[Julian Becker]

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I'm still having problems migrating from latex to context:
In latex, I used to write e.g. $\| x \| = 1$, and get two vertical lines on
each side of the x. In ConTeXt, the same "\|" is only producing one single
vertical line. I tried using "||" and "\parallel", but in both cases the
spacing is not as desired. Does anybody know how this is done properly?

Thanks,
Julian

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Re: How do I typeset two close vertical lines as in ||x||=1 ?

[Wolfgang Schuster]

Am 19.05.2011 um 13:04 schrieb Julian Becker:

> I'm still having problems migrating from latex to context:
> In latex, I used to write e.g. $\| x \| = 1$, and get two vertical lines on each side of the x. In ConTeXt, the same "\|" is only producing one single vertical line. I tried using "||" and "\parallel", but in both cases the spacing is not as desired. Does anybody know how this is done properly?

\starttext
$\Vert x \Vert = 1$
\stoptext

Wolfgang


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Re: How do I typeset two close vertical lines as in ||x||=1 ?

[Julian Becker]

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thank you, Wolfgang, for your quick reply! This is exactly what I needed!

2011/5/19 Wolfgang Schuster <schuster.wolfgang@googlemail.com>

>
> Am 19.05.2011 um 13:04 schrieb Julian Becker:
>
> > I'm still having problems migrating from latex to context:
> > In latex, I used to write e.g. $\| x \| = 1$, and get two vertical lines
> on each side of the x. In ConTeXt, the same "\|" is only producing one
> single vertical line. I tried using "||" and "\parallel", but in both cases
> the spacing is not as desired. Does anybody know how this is done properly?
>
> \starttext
> $\Vert x \Vert = 1$
> \stoptext
>
> Wolfgang
>
>
>
> ___________________________________________________________________________________
> If your question is of interest to others as well, please add an entry to
> the Wiki!
>
> maillist : ntg-context@ntg.nl /
> http://www.ntg.nl/mailman/listinfo/ntg-context
> webpage  : http://www.pragma-ade.nl / http://tex.aanhet.net
> archive  : http://foundry.supelec.fr/projects/contextrev/
> wiki     : http://contextgarden.net
>
> ___________________________________________________________________________________
>



-- 
Julian Becker
Institut für Angewandte Physik, R.123
Westfälische Wilhelms-Universität Münster
Corrensstr. 2/4
48149 Münster / Westfalen
Tel. 0251 83-3 61 53
Mob. 0151 599 848 29
e-mail: j_beck16@uni-muenster.de

"Keep thy heart with all diligence; for it is the wellspring of life."

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___________________________________________________________________________________

Re: How do I typeset two close vertical lines as in ||x||=1 ?

[Aditya Mahajan]

On Thu, 19 May 2011, Wolfgang Schuster wrote:

>
> Am 19.05.2011 um 13:04 schrieb Julian Becker:
>
>> I'm still having problems migrating from latex to context:
>> In latex, I used to write e.g. $\| x \| = 1$, and get two vertical lines on each side of the x. In ConTeXt, the same "\|" is only producing one single vertical line. I tried using "||" and "\parallel", but in both cases the spacing is not as desired. Does anybody know how this is done properly?
>
> \starttext
> $\Vert x \Vert = 1$
> \stoptext

$\lVert x \rVert$ gives better spacing (even in LaTeX).

Aditya
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