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%%
%% An UIT Edition example
%%
%% Example 10-04-7 on page 206.
%%
%% Copyright (C) 2010 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{375.57637pt}
\AtBeginDocument{\setlength\parindent{0pt}}
\setcounter{equation}{5}
\renewcommand\theequation{10.\arabic{equation}}
\StartShownPreambleCommands
\usepackage{amsmath}
\StopShownPreambleCommands
\begin{document}
\begin{equation}
\binom{x_R}{y_R} =
\kern-10pt\underbrace{r\vphantom{\binom{A}{B}}}_{\text{scaling}}\kern-7pt
\times\underbrace{\begin{pmatrix}
\sin\gamma & -\cos\gamma \\ \cos\gamma & \sin\gamma \\
\end{pmatrix}}_{\text{rotation}}
\binom{x_K}{y_K} + \kern-5pt\underbrace{\binom{t_x}{t_y}}_{\text{translation}}
\end{equation}
\end{document}
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