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Klausur Nr. 4 angefangen

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Martin Thoma 2013-09-16 17:46:35 +02:00
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\section*{Aufgabe 1}
\subsection*{Teilaufgabe a}
\textbf{Gegeben:}
\[A =
\begin{pmatrix}
6 & -6 & 0 \\
-3 & 7 & 2 \\
2 & 4 & 1
\end{pmatrix}, \;\;\;
b =\begin{pmatrix}
0 \\
8 \\
8
\end{pmatrix}\]
\textbf{Aufgabe:} $Ax = b$ mit Gaußelimination und Spaltenpivotwahl lösen
\textbf{Lösung:}
\begin{align}
\begin{gmatrix}[p]
6 & -6 & 0 & 0\\
-3 & 7 & 2 & 8\\
2 & 4 & 1 & 8
\rowops
\mult{0}{\cdot \frac{1}{6}}
\end{gmatrix}
&\leadsto
\begin{gmatrix}[p]
1 & -1 & 0 & 0\\
-3 & 7 & 2 & 8\\
2 & 4 & 1 & 8
\rowops
\add[3]{0}{1}
\add[-2]{0}{2}
\end{gmatrix}\\
&\leadsto
\begin{gmatrix}[p]
1 & -1 & 0 & 0\\
0 & 4 & 2 & 8\\
0 & 6 & 1 & 8
\rowops
\add[3]{0}{1}
\add[-2]{0}{2}
\end{gmatrix}\\
&\leadsto
\begin{gmatrix}[p]
1 & -1 & 0 & 0\\
0 & 4 & 2 & 8\\
0 & 6 & 1 & 8
\rowops
\swap{1}{2}
\end{gmatrix}\\
&\leadsto
\begin{gmatrix}[p]
1 & -1 & 0 & 0\\
0 & 6 & 1 & 8\\
0 & 4 & 2 & 8
\rowops
\mult{1}{\cdot \frac{1}{6}}
\add[-4]{1}{2}
\end{gmatrix}\\
&\leadsto
\begin{gmatrix}[p]
1 & -1 & 0 & 0\\
0 & 1 & \frac{1}{6} & \frac{4}{3}\\
0 & 0 & \frac{4}{3} & \frac{8}{3}
\rowops
\mult{2}{\cdot \frac{3}{4}}
\end{gmatrix}\\
&\leadsto
\begin{gmatrix}[p]
1 & -1 & 0 & 0\\
0 & 1 & \frac{1}{6} & \frac{4}{3}\\
0 & 0 & 1 & 2
\rowops
\add[\cdot \frac{-1}{6}]{2}{1}
\end{gmatrix}\\
&\leadsto
\begin{gmatrix}[p]
1 & -1 & 0 & 0\\
0 & 1 & 0 & 1\\
0 & 0 & 1 & 2
\rowops
\add[]{1}{0}
\end{gmatrix}\\
&\leadsto
\begin{gmatrix}[p]
1 & 0 & 0 & 1\\
0 & 1 & 0 & 1\\
0 & 0 & 1 & 2
\end{gmatrix}
\end{align}

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\documentclass[a4paper]{scrartcl}
\usepackage{amssymb, amsmath} % needed for math
\usepackage[utf8]{inputenc} % this is needed for umlauts
\usepackage[ngerman]{babel} % this is needed for umlauts
\usepackage[T1]{fontenc} % this is needed for correct output of umlauts in pdf
\usepackage{pdfpages} % Signatureinbingung und includepdf
\usepackage{geometry} % [margin=2.5cm]layout
\usepackage[pdftex]{hyperref} % links im text
\usepackage{color}
\usepackage{framed}
\usepackage{enumerate} % for advanced numbering of lists
\usepackage{marvosym} % checkedbox
\usepackage{wasysym}
\usepackage{braket} % for \Set{}
\usepackage{pifont}% http://ctan.org/pkg/pifont
\usepackage{gauss}
\usepackage{algorithm,algpseudocode}
\usepackage{parskip}
\usepackage{lastpage}
\allowdisplaybreaks
\newcommand{\cmark}{\ding{51}}%
\newcommand{\xmark}{\ding{55}}%
\title{Numerik Klausur 4 - Musterlösung}
\makeatletter
\AtBeginDocument{
\hypersetup{
pdfauthor = {Martin Thoma, Peter, Felix},
pdfkeywords = {Numerik, KIT, Klausur},
pdftitle = {\@title}
}
\pagestyle{fancy}
\lhead{\@title}
\rhead{Seite \thepage{} von \pageref{LastPage}}
}
\makeatother
\usepackage{fancyhdr}
\fancyfoot[C]{}
\begin{document}
\include{Aufgabe1}
\include{Aufgabe2}
\include{Aufgabe3}
\include{Aufgabe4}
\include{Aufgabe5}
\end{document}

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SOURCE = Klausur4
make:
pdflatex -shell-escape $(SOURCE).tex -output-format=pdf
pdflatex -shell-escape $(SOURCE).tex -output-format=pdf
make clean
clean:
rm -rf $(TARGET) *.class *.html *.log *.aux *.out *.pyg