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Re: norm symbol


Stephen,
Or use the double braketting bars

Cell[TextData[{
  "This is a scalable norm constructed using the \"esc l || \
esc\",(RightDoubleBracketingBar), and \"esc r || esc\" \
(DoubleBracketingBarcharacters) on the Basic Typesetting \
pallette ",
  Cell[BoxData[
      FormBox[
        RowBox[{"\[LeftDoubleBracketingBar]",
          StyleBox[
            FractionBox[
              StyleBox[
                RowBox[{"LARGE", " ", "NUMERATOR"}],
                FontSize->36],
              StyleBox[
                RowBox[{"LARGE", " ", "DENOMINATOR"}],
                FontSize->36]],
            FontSize->36], "\[RightDoubleBracketingBar]"}],
        TraditionalForm]]]
}], "Text"]

--
Allan
---------------------
Allan Hayes
Mathematica Training and Consulting
Leicester UK
www.haystack.demon.co.uk
hay at haystack.demon.co.uk
Voice: +44 (0)116 271 4198
Fax: +44 (0)870 164 0565

"Stephen P Luttrell" <luttrell at signal.dra.hmg.gb> wrote in message
news:9abrqt$joh at smc.vnet.net...
>
> "Simon Cowell" <sr.cowell at virgin.net> wrote in message
> news:9a1leb$ac3 at smc.vnet.net...
> > When writing text, I use the double-vertical line symbol in the Complete
> > Characters / Operational / Relational palette as a "norm" symbol.
> > I place it on either side of a vector to denote the norm of that vector.
> > It is much shorter than the conventional notation, so I scale it up
using
> > Alt and +.
> > When writing my thesis, this will become tedious.
> > Can I define the scaled-up version as a new character and use it instead
?
>
> Paste the following Cell Expression into a notebook to see how to
construct
> a norm that automatically scales to the correct size.
>
> Cell[TextData[{
>   "This is a scalable norm constructed using the \"esc l | esc\" and \
> \"esc r | esc\" characters on the Basic Typesetting pallette (just \
> above the \[Intersection] and \[Union] characters): ",
>   Cell[BoxData[
>       FormBox[
>         RowBox[{"\[LeftBracketingBar]",
>           RowBox[{"\[LeftBracketingBar]",
>             StyleBox[
>               FractionBox[
>                 StyleBox[
>                   RowBox[{"LARGE", " ", "NUMERATOR"}],
>                   FontSize->36],
>                 StyleBox[
>                   RowBox[{"LARGE", " ", "DENOMINATOR"}],
>                   FontSize->36]],
>               FontSize->36],
>             StyleBox[" ",
>               FontSize->36], "\[RightBracketingBar]"}],
>           "\[RightBracketingBar]"}], TraditionalForm]]]
> }], "Text"]
>
>
> --
> Stephen P Luttrell
> DERA Malvern, U.K.
>
>
>




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