[texhax] Question about Small \sum
Aditya Mahajan
adityam at umich.edu
Tue Feb 14 18:36:26 CET 2006
On Tue, 14 Feb 2006, Oleg Katsitadze wrote:
> On Tue, Feb 14, 2006 at 10:32:44PM +0800, Leung Ngai-Hang Zachary wrote:
>> I'm wondering if there's a better way to make the \sum symbol small---after
>> all \textstyle affects the entire \[ ... \] section, and I may just want
>> to change that symbol.
>
> You might like this approach:
>
> \def\textsum{\mathop{\textstyle\sum}\limits}
>
> $\textsum_{i=0}^n a_i$\quad $\sum_{i=0}^n a_i$.
> $$\textsum_{i=0}^n a_i \qquad \sum_{i=0}^n a_i.$$
You can also try \medop from nccmath.sty.
\usepackage{nccmath}
\[
\medop\sum_{i=0}^n a_i
\]
The size is in between textstyle and displaystyle and looks better IMO.
Aditya
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