Re: norm symbol

*To*: mathgroup at smc.vnet.net*Subject*: [mg28172] Re: norm symbol*From*: "Stephen P Luttrell" <luttrell at signal.dra.hmg.gb>*Date*: Tue, 3 Apr 2001 02:37:49 -0400 (EDT)*Organization*: Ye 'Ol Disorganized NNTPCache groupie*References*: <9a1leb$ac3@smc.vnet.net>*Sender*: owner-wri-mathgroup at wolfram.com

"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.