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kliemann edited Koeffizientenmatrix_cal_A_begin_array__.md
about 9 years ago
Commit id: 5a282fa19547177a6cf70a25fca33cb5813b3cf3
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diff --git a/Koeffizientenmatrix_cal_A_begin_array__.md b/Koeffizientenmatrix_cal_A_begin_array__.md
index e2290d7..ebab2da 100644
--- a/Koeffizientenmatrix_cal_A_begin_array__.md
+++ b/Koeffizientenmatrix_cal_A_begin_array__.md
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Koeffizientenmatrix
\({\cal{A}}=\begin{array}{cccccc} \({\cal{A}}=\begin{pmatrix}
a_{1,1} & a_{1,2} & a_{1,3} & \dots & a_{1,n} &
b_1\\ b_1\newline
a_{2,1} & a_{2,2} & a_{2,3} & \dots & a_{2,n} &
b_2\\ b_2\newline
a_{3,1} & a_{3,2} & a_{3,3} & \dots & a_{3,n} &
b_3\\ b_3\newline
\vdots & \vdots & \vdots & \ddots & \vdots & \vdots
\\ \newline
a_{n,1} & a_{n,2} & a_{n,3} & \dots & a_{n,n} &
b_n\\
\end{array}\) b_n
\end{pmatrix}\)
Treppenform der Koeffizientenmatrix (*row echelon form*)
\(\text{ref}\left({\cal{A}}\right)=\begin{pmatrix}
1 & a'_{1,2} & a'_{1,3} & \dots & a'_{1,n} &
b'_1\\ b'_1\newline
0 & 1 & a'_{2,3} & \dots & a'_{2,n} &
b'_2\\ b'_2\newline
0 & 0 & 1 & \dots & a'_{3,n} &
b'_3\\ b'_3\newline
\vdots & \vdots & \vdots & \ddots & \vdots & \vdots
\\ \newline
0 & 0 & 0 & \dots & 1 &
b'_n\\ b'_n
\end{pmatrix}\)
Treppennormalform der Koeffizientenmatrix(*reduced row echelon form*)
\(\text{rref}\left({\cal{A}}\right)=\begin{pmatrix}
1 & 0 & 0 & \dots & 0 &
b''_1\\ b''_1\newline
0 & 1 & 0 & \dots & 0 &
b''_2\\ b''_2\newline
0 & 0 & 1 & \dots & 0 &
b''_3\\ b''_3\newline
\vdots & \vdots & \vdots & \ddots & \vdots & \vdots
\\ \newline
0 & 0 & 0 & \dots & 1 &
b''_n\\ b''_n
\end{pmatrix}\)