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@@ -228,6 +228,8 @@
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#SeperatorLine
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Normalweiße alle Abbildung/Matrizen in Kannoischer Basis $hat(e)_1 = vec(1, 0, dots.v), hat(e)_2 = vec(0, 1, dots.v), ...$
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]
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#colbreak()
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@@ -295,6 +297,7 @@
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*Rang*
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$op("Rang") f := dim op("Bild") f$
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- Bei Matrizen: \ $Rang(f) <= min(n, m) equiv min("#Spalten", "#Zeilen")$
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*Nullraum/Kern:* \
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$kern(Phi) := {v in V | Phi(v) = 0}$
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@@ -307,14 +310,65 @@
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#linebreak()
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$"Wenn" dim(V) = dim(Bild(A)) "oder" dim(kern(A)) = 0 \ <=> A "bijektiv" <=> "invertierbar"$
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#SeperatorLine
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- Homogense Lineares Gleichungsystem: $A ve(x) = ve(0) $ Lösungsmenge: $LL = kern(A)$, immer: $ve(0) in L$ \
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- In-Homogense LGS: $A ve(x) = ve(b) $
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#SeperatorLine
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*Gaußalgorithmus*
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#grid(columns: (auto, 1fr),
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row-gutter: 1mm,
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column-gutter: 2mm,
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image("../images/linAlg/Gauss1a.jpg", width: 2cm),
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[
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Gleichungssystem: $A ve(x) = b$ \
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$A in KK^(m times n)$
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In Zeilenstufenform Bringen, Operationen:
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- Zeile $dot lambda$ ($x in CC$ mit $dot i$)
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- Zeile vertauschen
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- Zeile $+$ Zeile
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],
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)
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#grid(columns: (auto, 1fr),
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row-gutter: 1mm,
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column-gutter: 2mm,
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image("../images/linAlg/Gauss2.jpg", width: 2cm),
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[
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*Eindeutige Lösung* $-->$ Normale Rückeinsetzung
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$n equiv "#Spalten" equiv dim ve(x)$
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$Rang(A) = n$
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],
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image("../images/linAlg/Gauss1.jpg", width: 2cm),
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[
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*Nullzeile*:
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Pro Nullzeile eine frei Var $t, s, ...$
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],
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image("../images/linAlg/Gauss3.jpg", width: 2cm),
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[
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*Wiederspruch*: Keine Lösung
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]
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)
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]
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#colbreak()
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// Matrix Basics
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#bgBlock(fill: colorMatrix)[
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#subHeading(fill: colorMatrix)[Matrix Basics]
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Matrix $equiv$ Linera Abbildung \
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Linera Abbildung $equiv$ EINER eindeutige Matrix \
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- Sclar/Matrix: $lambda dot A$
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- Matrix/Matrix: $A + B$
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BIN
src/images/linAlg/Gauss1.jpg
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src/images/linAlg/Gauss1.jpg
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After Width: | Height: | Size: 76 KiB |
BIN
src/images/linAlg/Gauss1a.jpg
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src/images/linAlg/Gauss1a.jpg
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After Width: | Height: | Size: 59 KiB |
BIN
src/images/linAlg/Gauss2.jpg
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src/images/linAlg/Gauss2.jpg
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After Width: | Height: | Size: 56 KiB |
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src/images/linAlg/Gauss3.jpg
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src/images/linAlg/Gauss3.jpg
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After Width: | Height: | Size: 75 KiB |
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