--- a/day1/session1.tex	Thu Oct 22 16:39:39 2009 +0530
+++ b/day1/session1.tex	Thu Oct 22 18:47:48 2009 +0530
@@ -190,10 +190,12 @@
 #Sets the title of the figure
 
 In []: legend() 
-# When plot made with label
+# Shows a legend in the figure
+# Used when plot was made with label
 # plot(y, -2*sin(-y), label='sin')
 In []: legend(['sin'])
-# When no label, or to change
+# When no labels were used
+# Or to change the labels
 
 \end{lstlisting}
 \end{frame}

--- a/day1/session3.tex	Thu Oct 22 16:39:39 2009 +0530
+++ b/day1/session3.tex	Thu Oct 22 18:47:48 2009 +0530
@@ -174,7 +174,7 @@
 \item Instead, we use arrays
 \end{itemize}
 \begin{lstlisting}
-In []: array(L)
+In []: L = array(L)
 In []: T = array(T)
 In []: Tsq = T*T
 In []: plot(L, Tsq, 'o')

--- a/day1/session6.tex	Thu Oct 22 16:39:39 2009 +0530
+++ b/day1/session6.tex	Thu Oct 22 18:47:48 2009 +0530
@@ -197,7 +197,7 @@
 \begin{frame}[fragile]
 \frametitle{Bisection Method}
 \begin{enumerate}
-\item Start with an interval $(a, b)$ within wphich a root exists
+\item Start with an interval $(a, b)$ within which a root exists
 \item $f(a)\cdot f(b) < 0$
 \item Bisect the interval. $c = \frac{a+b}{2}$
 \item Change the interval to $(a, c)$ if $f(a)\cdot f(c) < 0$