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authorKarl Berry <karl@freefriends.org>2010-10-12 00:13:11 +0000
committerKarl Berry <karl@freefriends.org>2010-10-12 00:13:11 +0000
commit324e3ca487267e4d60094b29bda9e562fa489803 (patch)
treedbd69d6b00ea2a4e15e9635522b20b6cb9aeae7b /Master/texmf-dist/doc/latex/math-e/10-04-4.ltx
parent308e7e96ccb036e76b8e07e4e980394f50977580 (diff)
new doc package math-e (11oct10)
git-svn-id: svn://tug.org/texlive/trunk@20062 c570f23f-e606-0410-a88d-b1316a301751
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+%%
+%% An UIT Edition example
+%%
+%% Example 10-04-4 on page 205.
+%%
+%% 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}{2}
+\renewcommand\theequation{10.\arabic{equation}}
+\StartShownPreambleCommands
+\usepackage{amsmath,color}
+\StopShownPreambleCommands
+\begin{document}
+\begin{align}
+y &= 2x^2 -3x +5\nonumber\\
+ & \hphantom{= \ 2\left(x^2-\frac{3}{2}\,x\right. }%
+ \textcolor{blue}{%
+ \overbrace{\hphantom{+\left(\frac{3}{4}\right)^2- %
+ \left(\frac{3}{4}\right)^2}}^{=0}}\nonumber\\[-11pt]
+ &= 2\left(\textcolor{red}{%
+ \underbrace{x^2-\frac{3}{2}\,x + \left(\frac{3}{4}\right)^2}}
+ \underbrace{-\left(\frac{3}{4}\right)^2 + \frac{5}{2}}\right)\\
+ &= 2\left(\qquad\textcolor{red}{\left(x-\frac{3}{4}\right)^2}
+ \qquad + \ \frac{31}{16}\qquad\right)\nonumber\\
+y\textcolor{blue}{{}-\frac{31}{8}}
+ &= 2\left(x\textcolor{cyan}{{}-\frac{3}{4}}\right)^2\nonumber\\
+ &\Rightarrow S\left(\frac{3}{4}\right|\left.\frac{31}{8}\right)\nonumber
+\end{align}
+\end{document}