added images (except sehnenpolygon)
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@@ -12,8 +12,43 @@
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Dabei gilt $\gamma$ stetig $\Leftrightarrow$ $\gamma_i$ stetig $\forall i = 1,\dots, n$.
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Dabei gilt $\gamma$ stetig $\Leftrightarrow$ $\gamma_i$ stetig $\forall i = 1,\dots, n$.
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\end{definition}
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\end{definition}
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\begin{bsp}
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\begin{bsp}
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\begin{figure}[h]
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\captionsetup[subfigure]{justification=justified,singlelinecheck=false}
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\begin{subfigure}[b]{0.3\textwidth}
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\begin{tikzpicture}
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\draw[color=white] (-.5,-.5) -- (0,0);
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\draw[->,color=blue, thick] (1,1) -- (2,2);
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\draw (0,0) -- (2,2);
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\node at (1,1) {\textbullet};
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\node[below] at (1,1) {$a$};
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\end{tikzpicture}
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\subcaption{Beispiel 1, Gerade}
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\end{subfigure}
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\begin{subfigure}[b]{0.3\textwidth}
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\begin{tikzpicture}
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\draw (0,0) circle (1.5cm);
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\node at (0,0) {\textbullet};
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\node[below right] at (0,0) {$a$};
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\draw[->, thick] (0,0) -- node[pos=.5, above left] {$r$} (1.05,1.05);
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\end{tikzpicture}
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\subcaption{Beispiel 2, Kreis}
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\end{subfigure}
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\begin{subfigure}[b]{0.35\textwidth}
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\begin{tikzpicture}[scale=0.6]
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\begin{axis}[
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grid = major
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]
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\addplot3[variable=t,mesh,samples=70,domain=0:2] (cos(360*t), { sin(360* t) }, 0.5*t);
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\end{axis}
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\end{tikzpicture}
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\subcaption{Beispiel 3, Helix}
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\end{subfigure}
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\end{figure}
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\begin{enumerate}
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\begin{enumerate}
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\item Gerade in $\R^n$ durch einen Punkt $a\in \R^n$ in Richtung $v \in \R^n\setminus\{0\}: \gamma(t) = a + tv,\; I = \R$.
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\item Gerade in $\R^n$ durch einen Punkt $a\in \R^n$ in Richtung $v \in \R^n\setminus\{0\}$:
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\[
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\gamma(t) = a + tv,\; I = \R.
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\]
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\item Kreis in $\R^2$ um $a\in \R^2$ mit Radius $r > 0$
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\item Kreis in $\R^2$ um $a\in \R^2$ mit Radius $r > 0$
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\[
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\[
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\gamma(t) = a + r\begin{pmatrix}
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\gamma(t) = a + r\begin{pmatrix}
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@@ -24,7 +59,7 @@
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\item Helix in $\R^3$ mit $r > 0, c \neq 0$.
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\item Helix in $\R^3$ mit $r > 0, c \neq 0$.
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\[
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\[
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\gamma(t) = \begin{pmatrix}
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\gamma(t) = \begin{pmatrix}
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r\cos(T)\\
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r\cos(t)\\
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r\sin(t)\\
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r\sin(t)\\
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c\cdot t
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c\cdot t
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\end{pmatrix}
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\end{pmatrix}
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@@ -47,6 +82,26 @@
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\]
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\]
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\end{enumerate}
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\end{enumerate}
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\end{definition}
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\end{definition}
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\begin{figure}
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\begin{subfigure}[b]{0.4\textwidth}
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\begin{tikzpicture}[scale=0.7]
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\begin{axis}[axis lines=middle]
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\addplot [domain=-2:2,samples=40]({x^2-1},{x^3-x});
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\node[color=red] (a) at (0,0) {\textbullet};
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\end{axis}
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\end{tikzpicture}
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\subcaption{Beispiel 4: nicht injektive Kurve,\\ \textcolor{red}{\textbullet} liegt bei $t = \pm 1$.}
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\end{subfigure}
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\begin{subfigure}[b]{0.4\textwidth}
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\begin{tikzpicture}[scale=0.7]
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\begin{axis}[axis lines=middle]
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\addplot [domain=-2:2,samples=40]({x^2},{x^3});
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\node[color=red] (a) at (0,0) {\textbullet};
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\end{axis}
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\end{tikzpicture}
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\subcaption{Beispiel 5: Neilsche Parabel, \textcolor{red}{\textbullet} liegt bei $t = 0$ und ist ein singulärer Punkt.}
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\end{subfigure}
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\end{figure}
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\begin{bsp}
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\begin{bsp}
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\begin{enumerate}
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\begin{enumerate}
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\item Gerade: $\gamma(t) = a + v\cdot t$.
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\item Gerade: $\gamma(t) = a + v\cdot t$.
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@@ -173,6 +228,31 @@
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\end{salign*}
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\end{salign*}
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Also existiert für ein beliebiges $\epsilon > 0$ eine Zerlegung $\mathcal{Z}$ mit $S(\mathcal{Z}) \geq \int_a^b\norm{\gamma'(t)}\d t - \epsilon$. Zusammen mit $S(y) \leq \int_a^b\norm{\gamma'(t)}\d t$ folgt $S(\gamma) = \int_a^b \norm{\gamma'(t)} \d t$.
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Also existiert für ein beliebiges $\epsilon > 0$ eine Zerlegung $\mathcal{Z}$ mit $S(\mathcal{Z}) \geq \int_a^b\norm{\gamma'(t)}\d t - \epsilon$. Zusammen mit $S(y) \leq \int_a^b\norm{\gamma'(t)}\d t$ folgt $S(\gamma) = \int_a^b \norm{\gamma'(t)} \d t$.
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\end{proof}
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\end{proof}
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\begin{figure}[h]
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\captionsetup[subfigure]{justification=justified,singlelinecheck=false}
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\begin{subfigure}[b]{0.3\textwidth}
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\begin{tikzpicture}
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\draw[color=white] (-.5,-.5) -- (0,0);
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\draw[color=black] (1.5,0) arc [start angle=0, end angle=200, radius=1.5] -- node[pos=.5, below] {$r$} (0,0);
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\draw[color=blue] (1.5,0) arc [start angle=0, end angle=200, radius=1.5];
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\draw[color=black] (.4,0) arc [start angle=0, end angle=200, radius=.4];
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\draw (0,0) -- node[pos=.5,below] {$r$} (1.5,0);
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\node[color = blue] at (1.6,.4) {$\gamma$};
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\node at (0,.2) {$\varphi$};
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\end{tikzpicture}
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\subcaption{Beispiel 1: Kreisbogen}
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\end{subfigure}
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\begin{subfigure}[b]{0.6\textwidth}
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\begin{tikzpicture}
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\begin{axis}[axis equal image, axis lines=middle,width=\textwidth, xticklabels={0, $\pi$, $2\pi$}, xtick={0,3.14,6.28}, ymin=0,ymax=2, smooth]
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\addplot[domain=0:6.28] ({x-sin(180/3.14 * x)},{1-cos(180/3.14 * x)});
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\draw (3.14,1) circle (1);
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\node at (3.14,2) {\textbullet};
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\end{axis}
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\end{tikzpicture}
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\subcaption{Beispiel 2: Zykloide}
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\end{subfigure}
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\end{figure}
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\begin{bsp}
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\begin{bsp}
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\begin{enumerate}
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\begin{enumerate}
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\item Kreisbogen: $\gamma(t) = \begin{pmatrix}
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\item Kreisbogen: $\gamma(t) = \begin{pmatrix}
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