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301 |
301 |
302 \begin{frame}[fragile] |
302 \begin{frame}[fragile] |
303 \frametitle{Dealing with data whole-sale} |
303 \frametitle{Dealing with data whole-sale} |
304 \begin{lstlisting} |
304 \begin{lstlisting} |
305 In []: for t in T: |
305 In []: for t in T: |
306 ....: Tsq.append(t*t) |
306 ....: TSq.append(t*t) |
307 \end{lstlisting} |
307 \end{lstlisting} |
308 \begin{itemize} |
308 \begin{itemize} |
309 \item This is not very efficient |
309 \item This is not very efficient |
310 \item We are squaring element after element |
310 \item We are squaring element after element |
311 \item We use arrays to make this efficient |
311 \item We use arrays to make this efficient |
312 \end{itemize} |
312 \end{itemize} |
313 \begin{lstlisting} |
313 \begin{lstlisting} |
314 In []: L = array(L) |
314 In []: L = array(L) |
315 In []: T = array(T) |
315 In []: T = array(T) |
316 In []: Tsq = T*T |
316 In []: TSq = T*T |
317 \end{lstlisting} |
317 \end{lstlisting} |
318 \end{frame} |
318 \end{frame} |
319 |
319 |
320 \begin{frame}[fragile] |
320 \begin{frame}[fragile] |
321 \frametitle{Arrays} |
321 \frametitle{Arrays} |
399 \begin{itemize} |
399 \begin{itemize} |
400 \item Now use the \typ{lstsq} function |
400 \item Now use the \typ{lstsq} function |
401 \item Along with a lot of things, it returns the least squares solution |
401 \item Along with a lot of things, it returns the least squares solution |
402 \end{itemize} |
402 \end{itemize} |
403 \begin{lstlisting} |
403 \begin{lstlisting} |
404 In []: coef, res, r, s = lstsq(A,Tsq) |
404 In []: coef, res, r, s = lstsq(A,TSq) |
405 \end{lstlisting} |
405 \end{lstlisting} |
406 \end{frame} |
406 \end{frame} |
407 |
407 |
408 \begin{frame}[fragile] |
408 \begin{frame}[fragile] |
409 \frametitle{Least Square Fit Line \ldots} |
409 \frametitle{Least Square Fit Line \ldots} |
422 \begin{frame}[fragile] |
422 \begin{frame}[fragile] |
423 \frametitle{What did we learn?} |
423 \frametitle{What did we learn?} |
424 \begin{itemize} |
424 \begin{itemize} |
425 \item Dictionaries |
425 \item Dictionaries |
426 \item Drawing pie charts |
426 \item Drawing pie charts |
|
427 \item Arrays |
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428 \item Least Square fitting |
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429 \item Intro to Matrices |
427 \end{itemize} |
430 \end{itemize} |
428 \end{frame} |
431 \end{frame} |
429 \end{document} |
432 \end{document} |