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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/adjunktion.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
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-rw-r--r-- | vorlesungen/slides/3/adjunktion.tex | 35 |
1 files changed, 35 insertions, 0 deletions
diff --git a/vorlesungen/slides/3/adjunktion.tex b/vorlesungen/slides/3/adjunktion.tex new file mode 100644 index 0000000..a974a76 --- /dev/null +++ b/vorlesungen/slides/3/adjunktion.tex @@ -0,0 +1,35 @@ +% +% adjunktion.tex +% +% (c) 2021 Prof Dr Andreas Müller, Hochschule Rapperswil +% +\begin{frame}[t] +\frametitle{Adjunktion einer Nullstelle von $m(X)$} +\setlength{\abovedisplayskip}{5pt} +\setlength{\belowdisplayskip}{5pt} +Sei $m(X)=m_0+m_1X+\dots + X^n\in \Bbbk[X]$ ein irreduzibles Polynom. +\uncover<2->{% +\[ +X^n = -m_{n-1}X^{n-1} - \dots - m_1X - m_0 +\] +}% +\uncover<3->{% +Nullstelle $W$ als Operator betrachten: +\[ +W = \begin{pmatrix} + 0& 0& 0&\dots & 0& -m_0\\ + 1& 0& 0&\dots & 0& -m_1\\ + 0& 1& 0&\dots & 0& -m_2\\ + 0& 0& 1&\dots & 0& -m_3\\ +\vdots&\vdots&\vdots&\ddots&\vdots& \vdots\\ + 0& 0& 0&\dots & 1&-m_{n-1} +\end{pmatrix} +\]} +\uncover<4->{% +Man kann nachrechnen, dass immer $m(W)=0$. +} +\medskip + +\uncover<5->{$\Rightarrow \Bbbk(W) = \{p(W)\;|\;p\in\Bbbk[X], \deg p<\deg m\}$ +ist ein Körper, in dem $m(X)$ faktorisiert werden kann $m(X) = (X-W)q(X)$.} +\end{frame} |