Le Dimanche 28 Octobre 2001 01:38, vous avez �crit :
> Hi,
>
> I want to write the classical statistic mean with \bar{x} =
> \frac{\sum_{i=1}^n x_i}{n}, but that doesn't display like I
> expected. When I introduce \frac the subscript n and _{i=1} display
> on the side of the sum and not above and under the sum. Is there
> another way to do that?
Write instead
\bar{x} = \frac{\limit\sum_{i=1}^n x_i}{n}
\limit will tell LaTeX to put the sub and superscript under and over the sum,
there is a shortcut in LyX : put the cursor just before the sum and do M-m l
you will see the limits move magically over and under the sum :-)
--
CM> Voici la liste des votants pour la cr�ation de
CM> fr.comp.sys.calculatrices (non mod�r�).
Pour l'instant, c'est fr.rec.jeux.video qui nous pr�occupe...
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Renaud MICHEL