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-rw-r--r-- | buch/chapters/60-gruppen/images/sl2.tex | 146 |
1 files changed, 146 insertions, 0 deletions
diff --git a/buch/chapters/60-gruppen/images/sl2.tex b/buch/chapters/60-gruppen/images/sl2.tex new file mode 100644 index 0000000..c41308c --- /dev/null +++ b/buch/chapters/60-gruppen/images/sl2.tex @@ -0,0 +1,146 @@ +%
+% sl2.tex -- template for standalon tikz images
+%
+% (c) 2021 Prof Dr Andreas Müller, OST Ostschweizer Fachhochschule
+%
+\documentclass[tikz]{standalone}
+\usepackage{amsmath}
+\usepackage{times}
+\usepackage{txfonts}
+\usepackage{pgfplots}
+\usepackage{csvsimple}
+\usetikzlibrary{arrows,intersections,math}
+\begin{document}
+\def\skala{1}
+\begin{tikzpicture}[>=latex,thick,scale=\skala]
+
+\definecolor{darkgreen}{rgb}{0,0.6,0}
+
+\begin{scope}[xshift=-4.5cm]
+ \fill[color=blue!20]
+ (1.4,0) -- (0,1.4) -- (-1.4,0) -- (0,-1.4) -- cycle;
+ \fill[color=red!40,opacity=0.5]
+ (1.96,0) -- (0,1) -- (-1.96,0) -- (0,-1) -- cycle;
+
+ \begin{scope}
+ \clip (-2.1,-2.1) rectangle (2.3,2.3);
+ \draw[color=darkgreen]
+ plot[domain=-1:1,samples=100]
+ ({(1/1.4)*exp(\x)},{(1/1.4)*exp(-\x)});
+ \draw[color=darkgreen]
+ plot[domain=-1:1,samples=100]
+ ({(1/1.4)*exp(\x)},{-(1/1.4)*exp(-\x)});
+ \draw[color=darkgreen]
+ plot[domain=-1:1,samples=100]
+ ({-(1/1.4)*exp(\x)},{(1/1.4)*exp(-\x)});
+ \draw[color=darkgreen]
+ plot[domain=-1:1,samples=100]
+ ({-(1/1.4)*exp(\x)},{-(1/1.4)*exp(-\x)});
+ \end{scope}
+
+ \draw[->] (-2.1,0) -- (2.3,0) coordinate[label={$x$}];
+ \draw[->] (0,-2.1) -- (0,2.3) coordinate[label={right:$y$}];
+
+ \draw[->,color=blue] (0,0) -- (1.4,0);
+ \draw[->,color=blue] (0,0) -- (0,1.4);
+
+ \draw[->,color=red] (0,0) -- (1.96,0);
+ \draw[->,color=red] (0,0) -- (0,1);
+ \node at (0,-3.2)
+ {$\displaystyle
+ \begin{aligned}
+ A&=\begin{pmatrix}1&0\\0&-1\end{pmatrix}
+ \\
+ e^{At}
+ &=\begin{pmatrix}e^t&0\\0&e^{-t}\end{pmatrix}
+ \end{aligned}
+ $};
+
+\end{scope}
+
+
+\begin{scope}
+ \fill[color=blue!20]
+ (0:1.4) -- (90:1.4) -- (180:1.4) -- (270:1.4) -- cycle;
+ \fill[color=red!40,opacity=0.5]
+ (33:1.4) -- (123:1.4) -- (213:1.4) -- (303:1.4) -- cycle;
+
+ \draw[color=darkgreen] (0,0) circle[radius=1.4];
+
+ \draw[->] (-2.1,0) -- (2.3,0) coordinate[label={$x$}];
+ \draw[->] (0,-2.1) -- (0,2.3) coordinate[label={right:$y$}];
+
+ \draw[->,color=blue] (0,0) -- (1.4,0);
+ \draw[->,color=blue] (0,0) -- (0,1.4);
+
+ \draw[->,color=red] (0,0) -- (33:1.4);
+ \draw[->,color=red] (0,0) -- (123:1.4);
+
+ \node at (0,-3.2)
+ {$\displaystyle
+ \begin{aligned}
+ B
+ &=\begin{pmatrix}0&-1\\1&0 \end{pmatrix}
+ \\
+ e^{Bt}
+ &=
+ \begin{pmatrix}
+ \cos t&-\sin t\\
+ \sin t& \cos t
+ \end{pmatrix}
+ \end{aligned}$};
+\end{scope}
+
+
+\begin{scope}[xshift=4.5cm]
+ \fill[color=blue!20]
+ (0:1.4) -- (90:1.4) -- (180:1.4) -- (270:1.4) -- cycle;
+ \def\x{0.5}
+ \fill[color=red!40,opacity=0.5]
+ ({1.4*cosh(\x)},{1.4*sinh(\x})
+ --
+ ({1.4*sinh(\x},{1.4*cosh(\x)})
+ --
+ ({-1.4*cosh(\x)},{-1.4*sinh(\x})
+ --
+ ({-1.4*sinh(\x},{-1.4*cosh(\x)})
+ -- cycle;
+
+ \begin{scope}
+ \clip (-2.1,-2.1) rectangle (2.2,2.2);
+ \draw[color=darkgreen]
+ plot[domain=-1:1,samples=100] ({1.4*cosh(\x)},{1.4*sinh(\x)});
+ \draw[color=darkgreen]
+ plot[domain=-1:1,samples=100] ({1.4*sinh(\x)},{1.4*cosh(\x)});
+ \draw[color=darkgreen]
+ plot[domain=-1:1,samples=100] ({-1.4*cosh(\x)},{1.4*sinh(\x)});
+ \draw[color=darkgreen]
+ plot[domain=-1:1,samples=100] ({1.4*sinh(\x)},{-1.4*cosh(\x)});
+ \end{scope}
+
+ \draw[->] (-2.1,0) -- (2.3,0) coordinate[label={$x$}];
+ \draw[->] (0,-2.1) -- (0,2.3) coordinate[label={right:$y$}];
+
+ \draw[->,color=blue] (0,0) -- (1.4,0);
+ \draw[->,color=blue] (0,0) -- (0,1.4);
+
+ \draw[->,color=red] (0,0) -- ({1.4*cosh(\x)},{1.4*sinh(\x)});
+ \draw[->,color=red] (0,0) -- ({1.4*sinh(\x)},{1.4*cosh(\x)});
+
+ \node at (0,-3.2) {$\displaystyle
+ \begin{aligned}
+ C&=\begin{pmatrix}0&1\\1&0\end{pmatrix}
+ \\
+ e^{Ct}
+ &=
+ \begin{pmatrix}
+ \cosh t&\sinh t\\
+ \sinh t&\cosh t
+ \end{pmatrix}
+ \end{aligned}
+ $};
+\end{scope}
+
+\end{tikzpicture}
+\end{document}
+
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