From 60c006856f10cc8ac1d33265594af7923a94d868 Mon Sep 17 00:00:00 2001 From: =?UTF-8?q?Andreas=20M=C3=BCller?= Date: Sun, 28 Mar 2021 20:41:23 +0200 Subject: add new slides --- vorlesungen/slides/5/normalbeispiel.tex | 108 ++++++++++++++++++++++++++++++++ 1 file changed, 108 insertions(+) create mode 100644 vorlesungen/slides/5/normalbeispiel.tex (limited to 'vorlesungen/slides/5/normalbeispiel.tex') diff --git a/vorlesungen/slides/5/normalbeispiel.tex b/vorlesungen/slides/5/normalbeispiel.tex new file mode 100644 index 0000000..e130c15 --- /dev/null +++ b/vorlesungen/slides/5/normalbeispiel.tex @@ -0,0 +1,108 @@ +% +% normalbeispiel.tex +% +% (c) 2021 Prof Dr Andreas Müller, OST Ostschweizer Fachhochschule +% +\bgroup +\definecolor{darkred}{rgb}{0.8,0,0} +\definecolor{darkgreen}{rgb}{0,0.6,0} +\begin{frame}[t] +\setlength{\abovedisplayskip}{5pt} +\setlength{\belowdisplayskip}{5pt} +\frametitle{Beispiele für normale Matrizen} +\vspace{-15pt} +\begin{columns}[t,onlytextwidth] +\begin{column}{0.49\textwidth} +\uncover<3->{% +\begin{block}{Symmetrisch und Antisymmetrisch} +$A\in M_n(\mathbb{C})$ +\begin{align*} +A&=\pm A^t &&\Rightarrow &AA^* &=A\overline{A^t} =\pm A\overline{A} +\\ + & && & &=\pm\overline{A}A =\overline{A^t}A +\\ + & && & &=A^*A +\end{align*} +\end{block}} +\end{column} +\begin{column}{0.49\textwidth} +\uncover<4->{% +\begin{block}{Orthogonal} +$A\in M_n(\mathbb{R})\;\Rightarrow\; A^*=A^t$ +\begin{align*} +AA^t&=I &&\Rightarrow& AA^*&=AA^t=I\\ + & && & &=A^tA=A^*A +\end{align*} +\end{block}} +\end{column} +\end{columns} +\vspace{-15pt} +\begin{columns}[t,onlytextwidth] +\begin{column}{0.49\textwidth} +\uncover<1->{% +\begin{block}{Hermitesch und Antihermitesch} +$A\in M_n(\mathbb{C})$ +\begin{align*} +A&=\pm A^* &&\Rightarrow &AA^* &=\pm A^2=A^*A +\end{align*} +\end{block}} +\end{column} +\begin{column}{0.49\textwidth} +\uncover<2->{% +\begin{block}{Unitär} +$A\in M_n(\mathbb{C})$ +\begin{align*} +AA^*&=I &&\Rightarrow& AA^*=I=A^*A +\end{align*} +\end{block}} +\end{column} +\end{columns} +%\uncover<5->{% +%\begin{block}{Weitere} +%$N\in M_n(\mathbb{C})$ nilpotent, $N^k=0$\uncover<11->{ +%$\Rightarrow$ +%normal für $l=k-l\Rightarrow l=\frac{k}{2}$} +%\uncover<6->{% +%\[ +%\left. +%\begin{aligned} +%A &=N^l+(N^t)^{k-l} +%\\ +%A^t&=(N^t)^l+N^{k-1} +%\end{aligned} +%\right\} +%\uncover<7->{% +%\Rightarrow +%\left\{ +%\begin{aligned} +%\mathstrut +%A^t A +%&\only<8>{= +%((N^t)^l+N^{k-l}) (N^l+(N^t)^{k-l})} +%\uncover<9->{= +%{\color<10>{darkgreen}(N^t)^lN^l} +%\only<9>{+ +%{\color{orange}(N^t)^k}} +%+ +%{\color<10>{darkred}N^{k-l}(N^t)^{k-l}} +%\only<9>{+ +%{\color{orange}N^k}}} +%\\ +%\mathstrut +%A A^t +%&\only<8>{= +%(N^l+(N^t)^{k-l})((N^t)^l+N^{k-l})} +%\uncover<9->{= +%{\color<10>{darkred}N^l(N^t)^l} +%+ +%\only<9>{{\color{orange}N^k} +%+ +%{\color{orange}(N^t)^k} +%+} +%{\color<10>{darkgreen}(N^t)^{k-l}N^{k-l}}} +%\end{aligned} +%\right.} +%\hspace{20cm} +%\]} +%\end{block}} +\end{frame} -- cgit v1.2.1