sec-2: add the mode plot both in the section and in the folder

slides/sections/2.md

@@ -73,24 +73,37 @@ $$
 
 ## Landau mode
 
-- Maximum $\hence \partial_x L(\mu) = 0$
+::::: {.columns}
 
-. . .
+:::: {.column width=50%}
 
-- Computed by numerical minimization (Brent)
+  - Maximum $\hence \partial_x L(\mu) = 0$
 
-\setbeamercovered{}
+  . . .
 
-\begin{center}
+  \vspace{20pt}
-  \begin{tikzpicture}[remember picture]
-    \node at (0,0) (here) {$\mu_L\ex = − 0.22278...$};
-    \pause
-    \node [opacity=0.5, xscale=0.32, yscale=0.25 ] at (here)
-          {\includegraphics{images/high.png}};
-  \end{tikzpicture}
-\end{center}
 
-\setbeamercovered{transparent}
+  - Computed by numerical minimization (Brent)
+
+  \setbeamercovered{}
+
+  \begin{center}
+    \begin{tikzpicture}[remember picture]
+      \node at (0,0) (here) {$\mu_L\ex = − 0.22278...$};
+      \pause
+      \node [opacity=0.5, xscale=0.65, yscale=0.5 ] at (here)
+            {\includegraphics{images/high.png}};
+    \end{tikzpicture}
+  \end{center}
+
+  \setbeamercovered{transparent}
+
+::::
+
+::: {.column width=50%}
+  ![](images/mode.pdf)
+:::
+:::::
 
 
 ## Landau FWHM