summaryrefslogtreecommitdiff
path: root/Master/texmf-dist/doc/latex/latex-graphics-companion/5-2-1.ltx
blob: abd31749f47a5f4e0b142774e175ca2449ec25d8 (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
\documentclass{ppex}
\nonstopmode
\usepackage [all]{xy}
\pagestyle{empty}
\setlength\textwidth{207.0pt}
\begin{document}
\ResetPreambleCommands
\ReadyForTheFray
\usepackage [all]{xy}
\[
\xymatrix{
 A & *+[F]{\sum_{i=n}^m {i^2}} \\
   & {\bullet} & D \ar[ul]
}\]
\end{document}