summaryrefslogtreecommitdiff
path: root/Master/texmf-dist/doc/latex/math-e/10-06-2.ltx
diff options
context:
space:
mode:
Diffstat (limited to 'Master/texmf-dist/doc/latex/math-e/10-06-2.ltx')
-rw-r--r--Master/texmf-dist/doc/latex/math-e/10-06-2.ltx38
1 files changed, 38 insertions, 0 deletions
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}