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path: root/img/interpolation_detail.tikz
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\begin{tikzpicture}[
	scale=1.5,
	coarse/.style={circle,draw=gray,inner sep=4},
	fine/.style={cross out,draw=gray,inner sep=2},
	ibase/.style={coarse,draw=black,very thick},
	wantedfine/.style={fine,draw=black,ultra thick},
	arrow/.style={-{Latex[length=2mm]},thick}
]

\foreach \x in {-3.5,...,3.5}
	\node[coarse] at (\x,0){ };

\foreach \x in {-7,...,7}
	\node[fine] at (\x*0.5,0){ };

\node[wantedfine] at (0,0){ };
\node[ibase] at (-1.5,0){ };
\node[ibase] at (-0.5,0){ };
\node[ibase] at (0.5,0){ };
\node[ibase] at (1.5,0){ };

\draw[arrow] (0,0.8) node[right] {Gesuchter Wert \(\sipolarg{0}\)} -- (0,0.3);
\draw[arrow] (-1.5,-0.8) node[below] {\(\sipolarg{-3}\)} -- (-1.5,-0.3);
\draw[arrow] (-0.5,-0.8) node[below] {\(\sipolarg{-1}\)} -- (-0.5,-0.3);
\draw[arrow] (0.5,-0.8) node[below] {\(\sipolarg{1}\)} -- (0.5,-0.3);
\draw[arrow] (1.5,-0.8) node[below] {\(\sipolarg{3}\)} -- (1.5,-0.3);

\node[below right,yshift=-1pt] at (2,-0.8) {Umfeld bekannter Werte in \(\mathcal{N}_{x_{g \to f}^f}\)};

\end{tikzpicture}