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Diffstat (limited to 'Master/texmf-dist/doc/latex/math-e/10-06-2.ltx')
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diff --git a/Master/texmf-dist/doc/latex/math-e/10-06-2.ltx b/Master/texmf-dist/doc/latex/math-e/10-06-2.ltx new file mode 100644 index 00000000000..5388d525d77 --- /dev/null +++ b/Master/texmf-dist/doc/latex/math-e/10-06-2.ltx @@ -0,0 +1,38 @@ +%% +%% An UIT Edition example +%% +%% Example 10-06-2 on page 209. +%% +%% 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}} +\StartShownPreambleCommands +\usepackage{amsmath} +\usepackage[sans]{dsfont} +\StopShownPreambleCommands +\begin{document} +\begin{align*} + \sum_{i=n}^m a_i &= \sum_{j=n}^m a_j \tag{index renaming}\\ + \sum_{i=n}^m a_i &= \sum_{i=n-l}^{m-l} a_{i+l} &\forall\, l\in\mathds{Z}{} + \tag{index shift},\\ + \sum_{i=n}^m a_i+\sum_{i=m+1}^k a_i &= \sum_{i=n}^k a_i, + &\text{if } n\le m<k,\\ + \sum_{i=n}^m a_i+\sum_{i=n}^m b_i &= \sum_{i=n}^m (a_i+b_i),\\ + \sum_{i=n}^m c\times a_i &= c\times\sum_{i=n}^m a_i & \forall\, c\in\mathds{R}{,}\\ + \sum_{i=n}^m a_i \times\sum_{j=l}^k b_j &= + \sum_{i=n}^m\sum_{j=l}^k a_i b_j +\end{align*} +\end{document} |