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removed meta-package; added information to implicit defined functions
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2 changed files with 5 additions and 7 deletions
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@ -1,6 +1,7 @@
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% Original Source: http://mitschriebwiki.nomeata.de/data/SS10/Ana2Bachelor.tex
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\documentclass[a4paper,oneside,DIV15,BCOR12mm,chapterprefix=true,headings=twolinechapter]{scrbook}
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\usepackage{ana}
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\usepackage{mathe}
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\usepackage{saetze-schmoeger}
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\lecturer{Dr. C. Schmoeger}
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\semester{Sommersemester 2010}
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@ -1183,7 +1184,7 @@ $$ f'=
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\frac{\partial f_p}{\partial x_1} & \cdots & \frac{\partial f_p}{\partial x_n} \\
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\end{array}
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\right.
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}_{=:\frac{\partial f}{\partial x}}
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}_{=:\frac{\partial f}{\partial x}\ (p \times n)\text{-Matrix}}
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\underbrace{
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\left.
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\begin{array}{ccc}
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@ -1196,11 +1197,11 @@ $$ f'=
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\text{; also } f'(x,y)=\left(\frac{\partial f}{\partial x}(x,y),\ \frac{\partial f}{\partial y}(x,y)\right)$$
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\begin{satz}[Satz über implizit definierte Funktionen]
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Sei $(x_0, y_0)\in D, f(x_0, y_0)=0$ und $\det\frac{\partial f}{\partial y}(x_0, y_0)\ne 0$. Dann existiert eine offene Umgebung $U\subseteq \MdR^n$ von $x_0$ und genau eine Funktion $g:U\to\MdR^p$ mit:
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Sei $(x_0, y_0)\in D, f(x_0, y_0)=0$ und $\det\frac{\partial f}{\partial y}(x_0, y_0)\ne 0$. Dann existiert eine offene Umgebung $U\subseteq \MdR^n$ von $x_0$ und genau eine Funktion $g:U\to D \subseteq \MdR^p$ mit:
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\begin{liste}
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\item $(x, g(x))\in D\ \forall x\in U$
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\item $g(x_0)=y_0$
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\item $f(x,g(x))=0\ \forall x\in U$
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\item $f(x,g(x))=0\ \forall x\in U$, mit $V = g(U)$ gilt: $V$ ist offen und für $(a, b) \in U \times V$ mit $f(a,b) = 0$ gilt: $b = g(a)$
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\item $g \in C^1(U,\MdR^p)$
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\item $\det\frac{\partial f}{\partial y}(x, g(x))\ne0\ \forall x\in U$
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\item $g'(x)=-\left(\frac{\partial f}{\partial y}(x, g(x))^{-1}\right) \cdot \frac{\partial f}{\partial x}(x, g(x))\ \forall x\in U$
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@ -1,3 +0,0 @@
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% Original Source: http://mitschriebwiki.nomeata.de/data/ana.sty
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\usepackage{mathe}
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\usepackage{saetze-schmoeger}
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