edge sampling section for handout

handout/diagrams/halfspaces.tex

@@ -0,0 +1,34 @@
+\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,
+        red
+    ] (-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,
+        blue
+    ]  (1.7,-2) circle (15pt);
+
+    \draw[
+        fill,
+        blue
+    ]  (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}