--- a/day1/session2.tex	Tue Oct 27 15:26:52 2009 +0530
+++ b/day1/session2.tex	Tue Oct 27 16:06:08 2009 +0530
@@ -73,7 +73,7 @@
 
 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
 % Title page
-\title[Plotting using Python]{Plotting experimental data\\}
+\title[Plotting using Python]{Python for Science and Egg. Plotting experimental data}
 
 \author[FOSSEE] {FOSSEE}
 
@@ -126,16 +126,17 @@
 \begin{frame}
 \frametitle{Why we didn't close the IPython??}
 \begin{itemize}
-  \item Because all the command history is lost
-  \item We can go back, edit, and re-execute our commands
+  \item IPython provides a convenient feature
+  \item To go back, edit, and re-run commands
+  \item But when you close, this is lost
 \end{itemize}
 \end{frame}
 
 \begin{frame}
 \frametitle{But its impractical..}
 \begin{itemize}
-  \item Because we can't always keep running the IPython shell for days
-  \item And lets admit it, its a pain to go back and edit
+  \item We can't keep running IPython for days
+  \item And its a pain to go back and edit
 \end{itemize}
 And the solution is..\\
 \begin{center}
@@ -143,12 +144,12 @@
 \end{center}
 \end{frame}
 
-\section{Creating and running scripts}
+\section{Scripts}
 \begin{frame}[fragile]
 \frametitle{Python Scripts}
 \begin{itemize}
-\item Let us now put all the commands used in the review problem into a file. 
-\item The following commands of IPython help us do this. 
+\item Put all commands used in review problem into a file. 
+\item use hist command of IPython.
 \end{itemize}
 \begin{lstlisting}
   In []: %hist
@@ -169,9 +170,8 @@
 \end{frame}
 
 \begin{frame}[fragile]
-\frametitle{How often do we plot analytical functions?}
-Plotting experimental data is done more often and also more useful.\\
-Let us look at a small example:
+\frametitle{Why would I plot f(x)?}
+How often do we plot analytical functions?\\We plot experimental data more.
 \begin{lstlisting}
 In []: x = [0, 1, 2, 3]
 
@@ -183,9 +183,15 @@
 \end{frame}
 
 \begin{frame}[fragile]
+\begin{figure}
+\includegraphics[width=3.5in]{data/straightline.png}
+\end{figure}
+\end{frame}
+
+\begin{frame}[fragile]
 \frametitle{Plotting points}
 \begin{itemize}
-\item What if we want to plot points!
+\item What if we want to plot the points!
 \end{itemize}
 \begin{lstlisting}
   In []: clf()
@@ -211,7 +217,7 @@
 
 \section{Lists}
 \begin{frame}[fragile]
-  \frametitle{How to create?}
+  \frametitle{How to create the data?}
 What are \typ{x} and \typ{y} here??\\
 \begin{center}
 \alert{\typ{lists!!}}
@@ -233,6 +239,9 @@
 
 \begin{frame}[fragile]
   \frametitle{List: Slicing}
+  \begin{block}{Remember\ldots}
+	\kwrd{In []: lst = [1,2,3,4,5]}
+  \end{block}
 \alert{\typ{list[initial:final:step]}}
 \begin{lstlisting}
 In []: lst[1:3]  # A slice.
@@ -244,7 +253,7 @@
 \end{frame}
 
 \begin{frame}[fragile]
-  \frametitle{List concatenation and list methods}
+  \frametitle{List operations}
 \begin{lstlisting}
 In []: anthrlst = [6,7,8,9]
 In []: lnglst = lst + anthrlst
@@ -318,7 +327,7 @@
 \end{frame}
 
 \begin{frame}[fragile]
-\frametitle{\texttt{for}}
+\frametitle{More of \texttt{for}}
 \begin{itemize}
 \item Used to iterate over lists
 \item Let us look at another example.