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author | LordMcFungus <mceagle117@gmail.com> | 2021-03-22 18:05:11 +0100 |
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committer | GitHub <noreply@github.com> | 2021-03-22 18:05:11 +0100 |
commit | 76d2d77ddb2bed6b7c6b8ec56648d85da4103ab7 (patch) | |
tree | 11b2d41955ee4bfa0ae5873307c143f6b4d55d26 /vorlesungen/slides/3/maximalergrad.tex | |
parent | more chapter structure (diff) | |
parent | add title image (diff) | |
download | SeminarMatrizen-76d2d77ddb2bed6b7c6b8ec56648d85da4103ab7.tar.gz SeminarMatrizen-76d2d77ddb2bed6b7c6b8ec56648d85da4103ab7.zip |
Merge pull request #1 from AndreasFMueller/master
update
Diffstat (limited to 'vorlesungen/slides/3/maximalergrad.tex')
-rw-r--r-- | vorlesungen/slides/3/maximalergrad.tex | 72 |
1 files changed, 72 insertions, 0 deletions
diff --git a/vorlesungen/slides/3/maximalergrad.tex b/vorlesungen/slides/3/maximalergrad.tex new file mode 100644 index 0000000..d33ddc0 --- /dev/null +++ b/vorlesungen/slides/3/maximalergrad.tex @@ -0,0 +1,72 @@ +% +% maximalergrad.tex +% +% (c) 2021 Prof Dr Andreas Müller, OST Ostschweizer Fachhochschule +% +\begin{frame}[t] +\frametitle{Jede Matrix hat eine Polynomrelation} +\setlength{\abovedisplayskip}{5pt} +\setlength{\belowdisplayskip}{5pt} +\vspace{-5pt} +\begin{block}{Dimension des Matrizenrings} +Der Ring $M_{n}(\Bbbk)$ ist ein $n^2$-dimensionaler Vektorraum mit +Basis +{\tiny +\begin{align*} +&\uncover<2->{\begin{pmatrix} +1&0&\dots&0\\ +0&0&\dots&0\\ +\vdots&\vdots&\ddots&\vdots\\ +\end{pmatrix}} +& +&\uncover<3->{\begin{pmatrix} +0&1&\dots&0\\ +0&0&\dots&0\\ +\vdots&\vdots&\ddots&\vdots\\ +\end{pmatrix}} +& +&\uncover<4->{\dots} +& +&\uncover<5->{\begin{pmatrix} +0&0&\dots&1\\ +0&0&\dots&0\\ +\vdots&\vdots&\ddots&\vdots\\ +\end{pmatrix}} +\\ +&\uncover<6->{\begin{pmatrix} +0&0&\dots&0\\ +1&0&\dots&0\\ +\vdots&\vdots&\ddots&\vdots\\ +\end{pmatrix}} +& +&\uncover<7->{\begin{pmatrix} +0&0&\dots&0\\ +0&1&\dots&0\\ +\vdots&\vdots&\ddots&\vdots\\ +\end{pmatrix}} +& +&\uncover<8->{\dots} +& +&\uncover<9->{\begin{pmatrix} +0&0&\dots&0\\ +0&0&\dots&1\\ +\vdots&\vdots&\ddots&\vdots\\ +\end{pmatrix}} +\end{align*}} +\end{block} +\vspace{-10pt} +\uncover<10->{% +\begin{block}{Potenzen von $A$} +Die $n^2+1$ Matrizen $I,A,A^2,\dots,A^{n^2-1},A^{n^2}$ müssen linear abhängig +sein: +\[ +\uncover<11->{ +a_0I+a_1A+a_2A^2+\dots+a_{n^2-1}A^{n^2-1}+a_{n^2}A^{n^2} = 0 +} +\] +\uncover<12->{d.~h.~$p(X) = a_0+a_1X+a_2X^2+\dots +a_{n^2-1}X^{n^2-1}+a_{n^2}A^{n^2}\in\Bbbk[X]$ ist ein Polynom mit $p(A)=0$.} +\end{block}} +\uncover<13->{% +$\Rightarrow$ $A$ über die Eigenschaften (Faktorisierung) von $p$ studieren +} +\end{frame} |