> Date: Tue, 28 Feb 2006 13:34:58 +0100

> From: Sigbert Klinke <

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> Subject: [Mediawiki-l] LaTeX question

> To:

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> Content-Type: text/plain; charset=ISO-8859-1; format=flowed

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> Hi,

>

> in a formula I write <math>\frac{\sum_{i=1}^n ...}{...}</math>. The

> sum

> sign appears always in \textmode. I tried to use

> <math>\frac{\displaystyle \sum_{i=1}^n ...}{...}</math>, but during

> rendering an error occured: unknown function \displaystyle. What can I

> do to force \displaystyle ?

>

> Thanks in advance

>

> Sigbert Klinke

On en.wikipedia, the texvc program has been updated fairly recently

to include support for both \displaystyle and \textstyle. If you're

talking about your own wiki, you might consider upgrading your texvc

to the latest one available. If that's not possible, I don't think

there is any way to force displaystyle. You *can* force textstyle

with a nasty hack involving \begin{matrix} ... \end{matrix}, but no

such luck with displaystyle. (Maybe someone else can prove me wrong.)

David Harvey

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