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diff --git a/day1/day1quiz1.tex b/day1/day1quiz1.tex index d0da0dd..ee1fe83 100644 --- a/day1/day1quiz1.tex +++ b/day1/day1quiz1.tex @@ -58,4 +58,162 @@ On the top right hand corner please write down the following: \end{itemize} \end{frame} +\begin{frame}[fragile] +\frametitle{\incqno } +Draw (roughly) the plot obtained by the following: +\begin{lstlisting} +In []: x = linspace(0, 2*pi, 3) +In []: plot(x, sin(x)) +\end{lstlisting} +\end{frame} + +%% \begin{frame}[fragile] +%% \frametitle{\incqno } +%% Describe the plot produced by the following: +%% \begin{lstlisting} +%% In []: x = linspace(0, 2*pi, 50) +%% 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} + +\begin{frame}[fragile] +\frametitle{\incqno } +The following code snippet has an error/bug: +\begin{lstlisting} +In []: y = linspace(0, 2*pi, 50) +In []: plot(y, sin(y)) +In []: clf() +In []: plot(y, cos(y)) +In []: legend(['sin(y)', 'cos(y)']) +\end{lstlisting} +What is the error? How do you fix it? +\end{frame} + +\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 } +What would be the result of the following code snippet: +\begin{lstlisting} +In []: x = linspace(0, 10, 50) +In []: y = linspace(50, 100, 100) +In []: plot(x, y) +\end{lstlisting} +\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} + +\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} + \end{document} |