[OS X TeX] how to produce a wide arc?

Frank STENGEL fstengel at mac.com
Wed Nov 30 17:44:31 CET 2005

Le 30 nov. 05 à 16:12, Luis Sequeira a écrit :

> It is easy to produce extensible "accents" in math, such as \widehat 
> {ABC} or \widehat{ABCDEFGHIJ} (where the "hat" extends as needed to  
> encompass the width of the argument). Similarly for \overbrace{},  
> and so on.
> I would like to do something like for representing arcs: something  
> like \arc{AB} should put an arc above the letters.

Look at the yhmath package... It does what you want and more. The  
command you want is named \wideparen...
Frank STENGEL (fstengel<at>mac.com)

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