1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
|
%%
%% An UIT Edition example
%%
%% Example 09-16-6 on page 183.
%%
%% 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{gauss} \renewcommand\rowmultlabel[1]{|\,\times#1}
\StopShownPreambleCommands
\begin{document}
\[\begin{gmatrix}
1 &-2 & 1 & 2 & & 8 \\ 2 & 3 &-2 & 3 & & 14\\ % rows 0 and 1
4 &-1 & 3 &-1 & & 7 \\ 3 & 2 &-4 & 5 & & 5 \\ % 2 and 3
\\
1 &-2 & 1 & 2 & & 8 \\ 0 & 7 &-4 &-1 & &-2 \\ % 5 and 6
0 & 7 &-1 &-9 & &-25\\ 0 & 8 &-7 &-1 & &-9 \\ % 7 and 8
\\
1 &-2 & 1 & 2 & & 8 \\ 0 & 7 &-4 &-1 & &-2 \\ % 10 and 11
0 & 0 & 3 &-8 & &-23\\ 0 & 0 &-17& 1 & &-47\\ % 12 and 13
\\
1 &-2 & 1 & 2 & & 8 \\ 0 & 7 &-4 &-1 & &-2 \\ % 15 and 16
0 & 0 & 3 &-8 & &-23\\ 0 & 0 & 0 &-\frac{133}{3}& &\frac{-532}{3} % 17 and 18
\rowops
\mult{0}{(-2)}\add{0}{1}\mult{0}{(-4)}\add{0}{2}\mult{0}{(-3)}\add{0}{3}% matrix 1
\mult{6}{(-1)}\add{6}{7}\mult{6}{(-\frac{8}{7})}\add{6}{8}% matrix 2
\mult{12}{\frac{17}{3}}\add{12}{13} % matrix 3
\end{gmatrix} \]
\end{document}
|
