%% %% Ein Beispiel der DANTE-Edition %% Mathematiksatz mit LaTeX %% 2. Auflage %% %% Beispiel 06-12-12 auf Seite 122. %% %% Copyright (C) 2012 Herbert Voss %% %% It may be distributed and/or modified under the conditions %% of the LaTeX Project Public License, either version 1.3 %% of this license or (at your option) any later version. %% %% See http://www.latex-project.org/lppl.txt for details. %% %% %% ==== % Show page(s) 1 %% %% \documentclass[]{exaarticle} \pagestyle{empty} \setlength\textwidth{352.81416pt} \AtBeginDocument{\setlength\parindent{0pt}} \setcounter{equation}{70} \renewcommand\theequation{6.\arabic{equation}} \StartShownPreambleCommands \usepackage{amsmath} \StopShownPreambleCommands \begin{document} \begin{align} \prod_{j\ge0} \raisebox{-.8ex}{$\displaystyle \left(\begin{array}{@{}c@{}}\displaystyle\sum_{k\ge0}a_{jk}z^k\end{array} \right)$} = \sum_{n\ge0}z^n\, \raisebox{-1.75ex}{$\displaystyle \left(\begin{array}{@{}c@{}}\displaystyle\sum_{\scriptstyle k_0,k_1,\ldots \ge0\atop\scriptstyle k_0+k_1+\cdots=n} \kern-.8em a_{0k_0}a_{1k_1}\ldots\end{array}\,\right)$} \end{align} \end{document}