--- a/ChengsongTanPhdThesis/Chapters/Chapter1.tex	Tue May 17 01:44:30 2022 +0100
+++ b/ChengsongTanPhdThesis/Chapters/Chapter1.tex	Fri May 20 18:48:34 2022 +0100
@@ -308,6 +308,53 @@
 backtracking algorithms. 
 However, they do not scale well with bounded repetitions.\\
 
+
+\begin{center}
+\begin{tabular}{@{}c@{\hspace{0mm}}c@{\hspace{0mm}}c@{}}
+\begin{tikzpicture}
+\begin{axis}[
+    ymode=log,
+    xlabel={$n$},
+    x label style={at={(1.05,-0.05)}},
+    ylabel={time in secs},
+    enlargelimits=false,
+    xtick={1,2,...,8},
+    xmax=9,
+    ymax=16000000,
+    ytick={0,500,...,3500},
+    scaled ticks=false,
+    axis lines=left,
+    width=5cm,
+    height=4cm, 
+    legend entries={JavaScript},  
+    legend pos=north west,
+    legend cell align=left]
+\addplot[red,mark=*, mark options={fill=white}] table {re-chengsong.data};
+\end{axis}
+\end{tikzpicture}
+\end{tabular}
+\end{center}
+
+Another graph:
+\begin{center}
+\begin{tikzpicture}
+    \begin{axis}[
+        height=0.5\textwidth,
+        width=\textwidth,
+        xlabel=number of a's,
+        xtick={0,...,9},
+        ylabel=maximum size,
+        ymode=log,
+       log basis y={2}
+]
+        \addplot[mark=*,blue] table {re-chengsong.data};
+    \end{axis}
+\end{tikzpicture}
+\end{center}
+
+
+
+
 Bounded repetitions, usually written in the form
 $r^{\{c\}}$ (where $c$ is a constant natural number),
 denotes a regular expression accepting strings