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authorPuneeth Chaganti2010-01-10 16:43:15 +0530
committerPuneeth Chaganti2010-01-10 16:43:15 +0530
commit268a25c7e1721e7a0c51080dd128b68d0ad3a4d5 (patch)
tree15fd6b6def962518fdda7ebaaa455eda63533a09 /day1
parentfeabb1aa4fdb4dd974c81175eefc9b1e50ee951f (diff)
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Moved all day1 quiz questions to end of day1-sessions.
Diffstat (limited to 'day1')
-rwxr-xr-xday1/cheatsheet4.tex2
-rw-r--r--day1/session1.tex30
-rw-r--r--day1/session2.tex44
-rw-r--r--day1/session3.tex82
-rw-r--r--day1/session4.tex95
-rwxr-xr-xday1/session6.tex127
6 files changed, 379 insertions, 1 deletions
diff --git a/day1/cheatsheet4.tex b/day1/cheatsheet4.tex
index 7410368..70395fc 100755
--- a/day1/cheatsheet4.tex
+++ b/day1/cheatsheet4.tex
@@ -136,7 +136,7 @@ In above mentioned case, \typ{'::2'} means, start from first row, till last row(
\begin{lstlisting}
In []: C[:,::2]
Out[]:
-xarray([[ 1, 2],
+array([[ 1, 2],
[ 0, 0],
[-1, 7]])
\end{lstlisting}
diff --git a/day1/session1.tex b/day1/session1.tex
index 779745d..92b577f 100644
--- a/day1/session1.tex
+++ b/day1/session1.tex
@@ -521,3 +521,33 @@ Save commands of review problem into file
\end{document}
+%% Questions for Quiz %%
+%% ------------------ %%
+
+\begin{frame}[fragile]
+\frametitle{\incqno }
+Describe the plot produced by the following:
+\begin{lstlisting}
+In []: x = linspace(0, 2*pi)
+In []: plot(x, cos(x), 'go')
+\end{lstlisting}
+\end{frame}
+
+\begin{frame}
+\frametitle{\incqno }
+How will you plot the previous graph with line width set to 3? How will
+you set the $x$ and $y$ labels of the plot?
+\end{frame}
+
+\begin{frame}
+\frametitle{\incqno }
+How will you set the x and y axis limits so that the region of interest
+is in the rectangle $(0, -1.5)$ (left bottom coordinate) and $(2\pi,
+1.5)$ (right top coordinate)?
+\end{frame}
+
+\begin{frame}
+\frametitle{\incqno }
+What ipython magic command do you use to obtain the lines of code you have already typed in the interpreter? What command do you use to save them?
+\end{frame}
+
diff --git a/day1/session2.tex b/day1/session2.tex
index 12dbb58..a845d98 100644
--- a/day1/session2.tex
+++ b/day1/session2.tex
@@ -479,3 +479,47 @@ plot(l, tsq, '.')
\end{frame}
\end{document}
+
+%% Questions for Quiz %%
+%% ------------------ %%
+
+\begin{frame}[fragile]
+\frametitle{\incqno }
+ \begin{lstlisting}
+ In []: a = [1, 2, 5, 9]
+ In []: a[0:-1]
+ \end{lstlisting}
+ What is the output?
+\end{frame}
+
+\begin{frame}
+\frametitle{\incqno }
+ How do you combine two lists \emph{a} and \emph{b} to produce one list?
+\end{frame}
+
+\begin{frame}[fragile]
+\frametitle{\incqno }
+ \begin{lstlisting}
+ In []: a = [1, 2, 5, 9]
+ \end{lstlisting}
+ How do you add the value 10 to the end of this list?
+\end{frame}
+
+\begin{frame}
+\frametitle{\incqno }
+Write the code to read a file \texttt{data.txt} and print each line of it?
+\end{frame}
+
+\begin{frame}[fragile]
+\frametitle{\incqno }
+The following code snippet has an error/bug:
+\begin{lstlisting}
+In []: l = [0.1, 0.2, 0.3, 0.4]
+In []: t = [0.69, 0.90, 1.19, 1.30]
+In []: tsq = []
+In []: for time in t:
+ ....: tsq.append(time*time)
+ ....: plot(l, tsq)
+\end{lstlisting}
+What is the error? How do you fix it?
+\end{frame}
diff --git a/day1/session3.tex b/day1/session3.tex
index c769fe5..2de2634 100644
--- a/day1/session3.tex
+++ b/day1/session3.tex
@@ -453,3 +453,85 @@ print 'Standard Deviation: ',
\end{frame}
\end{document}
+
+%% Questions for Quiz %%
+%% ------------------ %%
+
+\begin{frame}
+\frametitle{\incqno }
+ A sample line from a Comma Separated Values (CSV) file:\\
+ \vspace*{0.2in}
+ \emph{Rossum, Guido, 42, 56, 34, 54}\\
+ \vspace*{0.2in}
+ What code would you use to separate the line into fields?
+\end{frame}
+
+\begin{frame}[fragile]
+\frametitle{\incqno }
+ \begin{lstlisting}
+ In []: a = [1, 2, 5, 9]
+ \end{lstlisting}
+ How do you find the length of this list?
+\end{frame}
+
+\begin{frame}[fragile]
+\frametitle{\incqno }
+ \begin{lstlisting}
+ In [1]: d = {
+ 'a': 1,
+ 'b': 2
+ }
+ In [2]: print d['c']
+ \end{lstlisting}
+ What is the output?
+\end{frame}
+
+\begin{frame}[fragile]
+\frametitle{\incqno }
+\begin{lstlisting}
+In []: sc = {'A': 10, 'B': 20,
+ 'C': 70}
+\end{lstlisting}
+Given the above dictionary, what command will you give to plot a
+pie-chart?
+\end{frame}
+
+\begin{frame}[fragile]
+\frametitle{\incqno }
+\begin{lstlisting}
+In []: marks = [10, 20, 30, 50, 55,
+ 75, 83]
+\end{lstlisting}
+Given the above marks, how will you calculate the \alert{mean} and
+\alert{standard deviation}?
+\end{frame}
+
+\begin{frame}[fragile]
+\frametitle{\incqno }
+\begin{lstlisting}
+In []: marks = [10, 20, 30, 50, 55,
+ 75, 83]
+\end{lstlisting}
+How will you convert the list \texttt{marks} to an \alert{array}?
+\end{frame}
+
+%% \begin{frame}[fragile]
+%% \frametitle{\incqno }
+%% \begin{lstlisting}
+%% for x in "abcd":
+%% print x
+
+%% a
+%% b
+%% c
+%% d
+%% \end{lstlisting}
+%% How do you get the following output?
+%% \begin{lstlisting}
+%% 0 a
+%% 1 b
+%% 2 c
+%% 3 d
+%% \end{lstlisting}
+%% \end{frame}
+
diff --git a/day1/session4.tex b/day1/session4.tex
index bfff165..ddac34a 100644
--- a/day1/session4.tex
+++ b/day1/session4.tex
@@ -607,3 +607,98 @@ In []: plot(l, Tline)
\end{frame}
\end{document}
+
+%% Questions for Quiz %%
+%% ------------------ %%
+
+\begin{frame}[fragile]
+\frametitle{\incqno }
+\begin{lstlisting}
+In []: a = array([[1, 2],
+ [3, 4]])
+In []: a[1,0] = 0
+\end{lstlisting}
+What is the resulting array?
+\end{frame}
+
+\begin{frame}[fragile]
+\frametitle{\incqno }
+\begin{lstlisting}
+ In []: x = array(([1,2,3,4],
+ [2,3,4,5]))
+ In []: x[-2][-3] = 4
+ In []: print x
+\end{lstlisting}
+What will be printed?
+\end{frame}
+
+%% \begin{frame}[fragile]
+%% \frametitle{\incqno }
+%% \begin{lstlisting}
+%% In []: x = array([[1,2,3,4],
+%% [3,4,2,5]])
+%% \end{lstlisting}
+%% What is the \lstinline+shape+ of this array?
+%% \end{frame}
+
+\begin{frame}[fragile]
+\frametitle{\incqno }
+\begin{lstlisting}
+ In []: x = array([[1,2,3,4]])
+\end{lstlisting}
+How to \lstinline+x+ to \lstinline+array([[1,2,0,4]])+?
+\end{frame}
+
+\begin{frame}[fragile]
+\frametitle{\incqno }
+\begin{lstlisting}
+ In []: x = array([[1,2,3,4],
+ [3,4,2,5]])
+\end{lstlisting}
+How do you get the following slice of \lstinline+x+?
+\begin{lstlisting}
+array([[2,3],
+ [4,2]])
+\end{lstlisting}
+\end{frame}
+
+\begin{frame}[fragile]
+\frametitle{\incqno }
+\begin{lstlisting}
+In []: a = array([[1, 2],
+ [3, 4]])
+\end{lstlisting}
+How do you get the transpose of this array?
+\end{frame}
+
+\begin{frame}[fragile]
+\frametitle{\incqno }
+\begin{lstlisting}
+In []: a = array([[1, 2],
+ [3, 4]])
+In []: b = array([[1, 1],
+ [2, 2]])
+In []: a*b
+\end{lstlisting}
+What does this produce?
+\end{frame}
+
+\begin{frame}
+\frametitle{\incqno }
+What command do you use to find the inverse of a matrix and its
+eigenvalues?
+\end{frame}
+
+%% \begin{frame}
+%% \frametitle{\incqno }
+%% The file \lstinline+datafile.txt+ contains 3 columns of data. What
+%% command will you use to read the entire data file into an array?
+%% \end{frame}
+
+%% \begin{frame}
+%% \frametitle{\incqno }
+%% If the contents of the file \lstinline+datafile.txt+ is read into an
+%% $N\times3$ array called \lstinline+data+, how would you obtain the third
+%% column of this data?
+%% \end{frame}
+
diff --git a/day1/session6.tex b/day1/session6.tex
index 0f2120f..409f07c 100755
--- a/day1/session6.tex
+++ b/day1/session6.tex
@@ -428,3 +428,130 @@ In []: pend_sol = odeint(pend_int,
\end{frame}
\end{document}
+
+%% Questions for Quiz %%
+%% ------------------ %%
+
+\begin{frame}
+\frametitle{\incqno }
+Given a 4x4 matrix \texttt{A} and a 4-vector \texttt{b}, what command do
+you use to solve for the equation \\
+\texttt{Ax = b}?
+\end{frame}
+
+\begin{frame}
+\frametitle{\incqno }
+What command will you use if you wish to integrate a system of ODEs?
+\end{frame}
+
+\begin{frame}
+\frametitle{\incqno }
+How do you calculate the roots of the polynomial, $y = 1 + 6x + 8x^2 +
+x^3$?
+\end{frame}
+
+\begin{frame}
+\frametitle{\incqno }
+Two arrays \lstinline+a+ and \lstinline+b+ are numerically almost equal, what command
+do you use to check if this is true?
+\end{frame}
+
+%% \begin{frame}[fragile]
+%% \frametitle{\incqno }
+%% \begin{lstlisting}
+%% In []: x = arange(0, 1, 0.25)
+%% In []: print x
+%% \end{lstlisting}
+%% What will be printed?
+%% \end{frame}
+
+
+%% \begin{frame}[fragile]
+%% \frametitle{\incqno }
+%% \begin{lstlisting}
+%% from scipy.integrate import quad
+%% def f(x):
+%% res = x*cos(x)
+%% quad(f, 0, 1)
+%% \end{lstlisting}
+%% What changes will you make to the above code to make it work?
+%% \end{frame}
+
+%% \begin{frame}
+%% \frametitle{\incqno }
+%% What two commands will you use to create and evaluate a spline given
+%% some data?
+%% \end{frame}
+
+%% \begin{frame}[fragile]
+%% \frametitle{\incqno }
+%% What would be the result?
+%% \begin{lstlisting}
+%% In []: x
+%% array([[0, 1, 2],
+%% [3, 4, 5],
+%% [6, 7, 8]])
+%% In []: x[::-1,:]
+%% \end{lstlisting}
+%% Hint:
+%% \begin{lstlisting}
+%% In []: x = arange(9)
+%% In []: x[::-1]
+%% array([8, 7, 6, 5, 4, 3, 2, 1, 0])
+%% \end{lstlisting}
+%% \end{frame}
+
+%% \begin{frame}[fragile]
+%% \frametitle{\incqno }
+%% What would be the result?
+%% \begin{lstlisting}
+%% In []: y = arange(3)
+%% In []: x = linspace(0,3,3)
+%% In []: x-y
+%% \end{lstlisting}
+%% \end{frame}
+
+%% \begin{frame}[fragile]
+%% \frametitle{\incqno }
+%% \begin{lstlisting}
+%% In []: x
+%% array([[ 0, 1, 2, 3],
+%% [ 4, 5, 6, 7],
+%% [ 8, 9, 10, 11],
+%% [12, 13, 14, 15]])
+%% \end{lstlisting}
+%% How will you get the following \lstinline+x+?
+%% \begin{lstlisting}
+%% array([[ 5, 7],
+%% [ 9, 11]])
+%% \end{lstlisting}
+%% \end{frame}
+
+%% \begin{frame}[fragile]
+%% \frametitle{\incqno }
+%% What would be the output?
+%% \begin{lstlisting}
+%% In []: y = arange(4)
+%% In []: x = array(([1,2,3,2],[1,3,6,0]))
+%% In []: x + y
+%% \end{lstlisting}
+%% \end{frame}
+
+%% \begin{frame}[fragile]
+%% \frametitle{\incqno }
+%% \begin{lstlisting}
+%% In []: line = plot(x, sin(x))
+%% \end{lstlisting}
+%% Use the \lstinline+set_linewidth+ method to set width of \lstinline+line+ to 2.
+%% \end{frame}
+
+%% \begin{frame}[fragile]
+%% \frametitle{\incqno }
+%% What would be the output?
+%% \begin{lstlisting}
+%% In []: x = arange(9)
+%% In []: y = arange(9.)
+%% In []: x == y
+%% \end{lstlisting}
+%% \end{frame}
+