From 80416f0ab893f2b80a01be4acc13bd03c7a03682 Mon Sep 17 00:00:00 2001 From: =?UTF-8?q?Andreas=20M=C3=BCller?= Date: Thu, 20 May 2021 10:09:26 +0200 Subject: add new slides --- vorlesungen/slides/9/parrondo/spielbmod.tex | 91 +++++++++++++++++++++++++++++ 1 file changed, 91 insertions(+) create mode 100644 vorlesungen/slides/9/parrondo/spielbmod.tex (limited to 'vorlesungen/slides/9/parrondo/spielbmod.tex') diff --git a/vorlesungen/slides/9/parrondo/spielbmod.tex b/vorlesungen/slides/9/parrondo/spielbmod.tex new file mode 100644 index 0000000..ee1d12d --- /dev/null +++ b/vorlesungen/slides/9/parrondo/spielbmod.tex @@ -0,0 +1,91 @@ +% +% spielb.tex -- slide template +% +% (c) 2021 Prof Dr Andreas Müller, OST Ostschweizer Fachhochschule +% +\bgroup +\begin{frame}[t] +\setlength{\abovedisplayskip}{5pt} +\setlength{\belowdisplayskip}{5pt} +\frametitle{Modifiziertes Spiel $B$} +\vspace{-20pt} +\begin{columns}[t,onlytextwidth] +\begin{column}{0.48\textwidth} +\begin{block}{Definition} +Gewinn $\pm 1$, Wahrscheinlichkeit abhängig vom 3er-Rest des +aktuellen Kapitals $K$: +\begin{center} +\begin{tikzpicture}[>=latex,thick] +\coordinate (A0) at (90:2); +\coordinate (A1) at (210:2); +\coordinate (A2) at (330:2); + +\node at (A0) {$0$}; +\node at (A1) {$1$}; +\node at (A2) {$2$}; + +\draw (A0) circle[radius=0.4]; +\draw (A1) circle[radius=0.4]; +\draw (A2) circle[radius=0.4]; + +\draw[->,shorten >= 0.4cm,shorten <= 0.4cm] (A0) -- (A1); +\draw[->,shorten >= 0.4cm,shorten <= 0.4cm] (A0) -- (A2); +\draw[->,shorten >= 0.4cm,shorten <= 0.4cm] (A1) -- (A2); + +\draw[->,shorten >= 0.4cm,shorten <= 0.4cm] (A1) to[out=90,in=-150] (A0); +\draw[->,shorten >= 0.4cm,shorten <= 0.4cm] (A2) to[out=90,in=-30] (A0); +\draw[->,shorten >= 0.4cm,shorten <= 0.4cm] (A2) to[out=-150,in=-30] (A1); + +\def\R{1.9} +\def\r{0.7} + +\node at (30:{0.9*\r}) {\tiny $\frac{9}{10}+\varepsilon$}; +\node at (150:{0.9*\r}) {\tiny $\frac1{10}-\varepsilon$}; +\node at (270:\r) {$\frac34-\varepsilon$}; + +\node at (30:{1.1*\R}) {$\frac{3}{4}-\varepsilon$}; +\node at (150:{1.1*\R}) {$\frac1{4}+\varepsilon$}; +\node at (270:\R) {$\frac14+\varepsilon$}; + +\end{tikzpicture} +\end{center} +\end{block} +\end{column} +\begin{column}{0.48\textwidth} +\begin{block}{Markov-Kette $\tilde{Y}$} +Übergangsmatrix +\[ +\tilde{B}= +B+\varepsilon F += +B+\varepsilon\begin{pmatrix*}[r] +0&1&-1\\ +-1&0&1\\ +1&-1&0 +\end{pmatrix*} +\] +Gewinnmatrix: +\[ +G=\begin{pmatrix*}[r] +0&-1&1\\ +1&0&-1\\ +-1&1&0 +\end{pmatrix*} +\] +\end{block} +\begin{block}{Gewinnerwartung} +\begin{align*} +E(\tilde{Y}) +&= +U^t(G\odot \tilde{B})p +\\ +&= +E(Y) + \varepsilon U^t(G\odot F)p += +\frac1{15}+2\varepsilon +\end{align*} +\end{block} +\end{column} +\end{columns} +\end{frame} +\egroup -- cgit v1.2.1 From d3b772e811ac42cb912cce367b8e7bee07881084 Mon Sep 17 00:00:00 2001 From: =?UTF-8?q?Andreas=20M=C3=BCller?= Date: Thu, 20 May 2021 20:24:26 +0200 Subject: add slides --- vorlesungen/slides/9/parrondo/spielbmod.tex | 46 ++++++++++++++++++----------- 1 file changed, 29 insertions(+), 17 deletions(-) (limited to 'vorlesungen/slides/9/parrondo/spielbmod.tex') diff --git a/vorlesungen/slides/9/parrondo/spielbmod.tex b/vorlesungen/slides/9/parrondo/spielbmod.tex index ee1d12d..66d39bc 100644 --- a/vorlesungen/slides/9/parrondo/spielbmod.tex +++ b/vorlesungen/slides/9/parrondo/spielbmod.tex @@ -7,7 +7,7 @@ \begin{frame}[t] \setlength{\abovedisplayskip}{5pt} \setlength{\belowdisplayskip}{5pt} -\frametitle{Modifiziertes Spiel $B$} +\frametitle{Modifiziertes Spiel $\tilde{B}$} \vspace{-20pt} \begin{columns}[t,onlytextwidth] \begin{column}{0.48\textwidth} @@ -39,13 +39,13 @@ aktuellen Kapitals $K$: \def\R{1.9} \def\r{0.7} -\node at (30:{0.9*\r}) {\tiny $\frac{9}{10}+\varepsilon$}; -\node at (150:{0.9*\r}) {\tiny $\frac1{10}-\varepsilon$}; -\node at (270:\r) {$\frac34-\varepsilon$}; +\node at (30:{0.9*\r}) {\tiny $\frac{9}{10}\uncover<2->{+\varepsilon}$}; +\node at (150:{0.9*\r}) {\tiny $\frac1{10}\uncover<2->{-\varepsilon}$}; +\node at (270:\r) {$\frac34\uncover<2->{-\varepsilon}$}; -\node at (30:{1.1*\R}) {$\frac{3}{4}-\varepsilon$}; -\node at (150:{1.1*\R}) {$\frac1{4}+\varepsilon$}; -\node at (270:\R) {$\frac14+\varepsilon$}; +\node at (30:{1.1*\R}) {$\frac{3}{4}\uncover<2->{-\varepsilon}$}; +\node at (150:{1.1*\R}) {$\frac1{4}\uncover<2->{+\varepsilon}$}; +\node at (270:\R) {$\frac14\uncover<2->{+\varepsilon}$}; \end{tikzpicture} \end{center} @@ -56,14 +56,17 @@ aktuellen Kapitals $K$: Übergangsmatrix \[ \tilde{B}= -B+\varepsilon F -= +B\uncover<2->{+\varepsilon F} +\uncover<3->{= B+\varepsilon\begin{pmatrix*}[r] 0&1&-1\\ -1&0&1\\ 1&-1&0 -\end{pmatrix*} +\end{pmatrix*}} \] +\vspace{-12pt} + +\uncover<4->{% Gewinnmatrix: \[ G=\begin{pmatrix*}[r] @@ -71,20 +74,29 @@ G=\begin{pmatrix*}[r] 1&0&-1\\ -1&1&0 \end{pmatrix*} -\] +\]} \end{block} +\vspace{-12pt} +\uncover<5->{% \begin{block}{Gewinnerwartung} \begin{align*} -E(\tilde{Y}) +\uncover<6->{E(\tilde{Y}) &= -U^t(G\odot \tilde{B})p +U^t(G\odot \tilde{B})p} \\ +&\uncover<7->{= +E(Y) + \varepsilon U^t(G\odot F)p} +\uncover<8->{= +{\textstyle\frac1{15}}+2\varepsilon} +\\ +\uncover<9->{ +\text{rep.} &= -E(Y) + \varepsilon U^t(G\odot F)p -= -\frac1{15}+2\varepsilon +-{\textstyle\frac{294}{169}}\varepsilon+O(\varepsilon^2) +\quad\text{Verlustspiel} +} \end{align*} -\end{block} +\end{block}} \end{column} \end{columns} \end{frame} -- cgit v1.2.1