[Analysis] Add title page

semester3/analysis-ii/cheat-sheet-jh/analysis-ii-cheat-sheet.tex

@@ -5,6 +5,8 @@
 \setupCheatSheet{Analysis II}
 
 \usepackage{tikz}
+\usepackage{pgfplots}
+\pgfplotsset{width=13cm}
 \usetikzlibrary{positioning, arrows.meta}
 
 \begin{document}
@@ -18,11 +20,23 @@
 %          │                   Title page                   │
 %          ╰────────────────────────────────────────────────╯
 \vspace{2cm}
-\begin{Huge}
 \begin{center}
-        TITLE PAGE COMING SOON
+    \begin{tikzpicture}
+        \begin{axis}[
+                hide axis,
+                colormap/cool,
+            ]
+            \addplot3[
+                mesh,
+                samples=50,
+                domain=-8:8,
+            ]
+            {sin(deg(sqrt(x^2+y^2)))/sqrt(x^2+y^2)};
+            \addlegendentry{\(\frac{sin(r)}{r}\)}
+            \legend{}
+        \end{axis}
+    \end{tikzpicture}
 \end{center}
-\end{Huge}
 
 
 \vspace{4cm}
@@ -34,7 +48,7 @@
     \hspace{3cm} - Özlem Imamoglu, 2025
 \end{center}
 
-\vspace{3cm}
+\vspace{2cm}
 \begin{center}
     HS2025, ETHZ\\[0.2cm]
     \begin{Large}