Re: \bar{x} = \frac{\sum_{i=1}^n x_i}{n}

[Jacobo Myerston]

Thanks Renaud,  M-m-l works great.

>
>
>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 :-)
>


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