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alexander
2026-02-20 22:59:11 +01:00
parent cf60a67cc4
commit 80dce2009e
5 changed files with 56 additions and 2 deletions

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@@ -228,6 +228,8 @@
#SeperatorLine
Normalweiße alle Abbildung/Matrizen in Kannoischer Basis $hat(e)_1 = vec(1, 0, dots.v), hat(e)_2 = vec(0, 1, dots.v), ...$
]
#colbreak()
@@ -295,6 +297,7 @@
*Rang*
$op("Rang") f := dim op("Bild") f$
- Bei Matrizen: \ $Rang(f) <= min(n, m) equiv min("#Spalten", "#Zeilen")$
*Nullraum/Kern:* \
$kern(Phi) := {v in V | Phi(v) = 0}$
@@ -307,14 +310,65 @@
#linebreak()
$"Wenn" dim(V) = dim(Bild(A)) "oder" dim(kern(A)) = 0 \ <=> A "bijektiv" <=> "invertierbar"$
#SeperatorLine
- Homogense Lineares Gleichungsystem: $A ve(x) = ve(0) $ Lösungsmenge: $LL = kern(A)$, immer: $ve(0) in L$ \
- In-Homogense LGS: $A ve(x) = ve(b) $
#SeperatorLine
*Gaußalgorithmus*
#grid(columns: (auto, 1fr),
row-gutter: 1mm,
column-gutter: 2mm,
image("../images/linAlg/Gauss1a.jpg", width: 2cm),
[
Gleichungssystem: $A ve(x) = b$ \
$A in KK^(m times n)$
In Zeilenstufenform Bringen, Operationen:
- Zeile $dot lambda$ ($x in CC$ mit $dot i$)
- Zeile vertauschen
- Zeile $+$ Zeile
],
)
#grid(columns: (auto, 1fr),
row-gutter: 1mm,
column-gutter: 2mm,
image("../images/linAlg/Gauss2.jpg", width: 2cm),
[
*Eindeutige Lösung* $-->$ Normale Rückeinsetzung
$n equiv "#Spalten" equiv dim ve(x)$
$Rang(A) = n$
],
image("../images/linAlg/Gauss1.jpg", width: 2cm),
[
*Nullzeile*:
Pro Nullzeile eine frei Var $t, s, ...$
],
image("../images/linAlg/Gauss3.jpg", width: 2cm),
[
*Wiederspruch*: Keine Lösung
]
)
]
#colbreak()
// Matrix Basics
#bgBlock(fill: colorMatrix)[
#subHeading(fill: colorMatrix)[Matrix Basics]
Matrix $equiv$ Linera Abbildung \
Linera Abbildung $equiv$ EINER eindeutige Matrix \
- Sclar/Matrix: $lambda dot A$
- Matrix/Matrix: $A + B$

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