proseminar/handout/diagrams/halfspaces.tex
2023-07-06 16:13:26 +02:00

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\begin{tikzpicture}[scale = 0.6, every node/.style={scale=0.8}]
\draw[
fill,
lightgray
] (-2,0) -- (3,0) -- (-0.5,-6) -- (-2,-6) -- cycle;
\draw[
fill,
gray
] (-2, -3) -- (-2,-4) -- (2,-6) -- (4.3,-6) -- (4.3,-4) -- cycle;
\draw[
-to,
line width = 1.5pt,
] (3,-1) -- (4.3,-1);
\draw[
fill,
darkgray
] (1.7,-2) circle (15pt);
\draw[
fill,
darkgray
] (0.4,-4.2) circle (15pt);
\node (fu) at (1.4,-1) {\LARGE $f_u$ $(+)$};
\node (fl) at (2.4,-3) {\LARGE $f_l$ $(-)$};
\node (nocontrin) at (2,-4.5) {\LARGE $f_u=f_l$};
\end{tikzpicture}