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author | Andreas Müller <andreas.mueller@ost.ch> | 2021-08-03 07:37:42 +0200 |
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committer | GitHub <noreply@github.com> | 2021-08-03 07:37:42 +0200 |
commit | f31aca6129f3c84f1ed4f59378fd31cbdc58ec3b (patch) | |
tree | 97c32dbdcbcc888a9030d149f5a765f006fcd631 /vorlesungen/slides/2/hilbertraum/sturm.tex | |
parent | 1. Version Kapitel Rotation und Spiegelung (diff) | |
parent | Merge pull request #60 from Kuehnee/master (diff) | |
download | SeminarMatrizen-f31aca6129f3c84f1ed4f59378fd31cbdc58ec3b.tar.gz SeminarMatrizen-f31aca6129f3c84f1ed4f59378fd31cbdc58ec3b.zip |
Merge branch 'master' into master
Diffstat (limited to 'vorlesungen/slides/2/hilbertraum/sturm.tex')
-rw-r--r-- | vorlesungen/slides/2/hilbertraum/sturm.tex | 58 |
1 files changed, 58 insertions, 0 deletions
diff --git a/vorlesungen/slides/2/hilbertraum/sturm.tex b/vorlesungen/slides/2/hilbertraum/sturm.tex new file mode 100644 index 0000000..a6865ab --- /dev/null +++ b/vorlesungen/slides/2/hilbertraum/sturm.tex @@ -0,0 +1,58 @@ +% +% sturm.tex -- slide template +% +% (c) 2021 Prof Dr Andreas Müller, OST Ostschweizer Fachhochschule +% +\bgroup +\begin{frame}[t] +\setlength{\abovedisplayskip}{5pt} +\setlength{\belowdisplayskip}{5pt} +\frametitle{Sturm-Liouville-Problem} +\vspace{-20pt} +\begin{columns}[t,onlytextwidth] +\begin{column}{0.48\textwidth} +\begin{block}{Wellengleichung} +Saite mit variabler Massedichte führt auf die DGL +\[ +-y''(t) + q(t) y(t) = \lambda y(t), +\quad +q(t) > 0 +\] +mit Randbedingungen $y(0)=y(1)=0$ +\end{block} +\end{column} +\begin{column}{0.48\textwidth} +\uncover<2->{% +\begin{block}{Sturm-Liouville-Operator} +\[ +A=-\frac{d^2}{dt^2} + q(t) = -D^2 + p +\] +auf differenzierbaren Funktionen $\Omega=[0,1]\to\mathbb{C}$ mit Randwerten +\[ +f(0)=f(1)=0 +\] +\end{block}} +\end{column} +\end{columns} +\uncover<3->{% +\begin{block}{Selbstadjungiert} +\begin{align*} +\langle f,Ag \rangle +&\uncover<4->{= +\langle f,-D^2 g\rangle + \langle f,qg\rangle += +- +\int_0^1 \overline{f}(t) \frac{d^2}{dt^2}g(t)\,dt ++\langle f,qg\rangle} +\\ +&\uncover<5->{=-\underbrace{[\overline{f}(t)g'(t)]_0^1}_{\displaystyle=0} ++\int_0^1 \overline{f}'(t)g'(t)\,dt ++\langle f,qg\rangle} +\uncover<6->{=-\int_0^1 \overline{f}''(t)g(t)\,dt ++\langle qf,g\rangle} +\\ +&\uncover<7->{=\langle Af,g\rangle} +\end{align*} +\end{block}} +\end{frame} +\egroup |