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283 \item \alert{Use the former only in interactive mode} |
283 \item \alert{Use the former only in interactive mode} |
284 \end{itemize} |
284 \end{itemize} |
285 \end{frame} |
285 \end{frame} |
286 |
286 |
287 \begin{frame}[fragile] |
287 \begin{frame}[fragile] |
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288 \frametitle{IPython namespace} |
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289 \begin{lstlisting} |
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290 |
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291 In [4]: whos |
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292 Interactive namespace is empty. |
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293 |
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294 \end{lstlisting} |
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295 \end{frame} |
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296 |
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297 \begin{frame}[fragile] |
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298 \frametitle{IPython namespace} |
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299 \begin{lstlisting} |
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300 |
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301 In [5]: from numpy import * |
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302 |
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303 In [6]: whos |
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304 |
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305 \end{lstlisting} |
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306 \end{frame} |
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307 |
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308 \begin{frame}[fragile] |
288 \frametitle{Package hierarchies} |
309 \frametitle{Package hierarchies} |
289 \begin{lstlisting} |
310 \begin{lstlisting} |
290 from scipy.integrate import odeint |
311 from scipy.integrate import odeint |
291 |
312 |
292 from scipy.optimize import fsolve |
313 from scipy.optimize import fsolve |
327 pylab.plot(x, x*scipy.sin(x), 'r', linewidth=3) |
348 pylab.plot(x, x*scipy.sin(x), 'r', linewidth=3) |
328 pylab.legend(['x', '-x', 'sin(x)', 'xsin(x)']) |
349 pylab.legend(['x', '-x', 'sin(x)', 'xsin(x)']) |
329 pylab.annotate('origin', xy = (0, 0)) |
350 pylab.annotate('origin', xy = (0, 0)) |
330 pylab.xlim(-5*scipy.pi, 5*scipy.pi) |
351 pylab.xlim(-5*scipy.pi, 5*scipy.pi) |
331 pylab.ylim(-5*scipy.pi, 5*scipy.pi) |
352 pylab.ylim(-5*scipy.pi, 5*scipy.pi) |
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353 \end{lstlisting} |
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354 \end{frame} |
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355 |
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356 \begin{frame}[fragile] |
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357 \frametitle{\texttt{import} - the community convention} |
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358 \begin{lstlisting} |
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359 |
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360 import numpy as np |
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361 np.linspace(-5 * np.pi, 5 * np.pi, 500) |
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362 |
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363 import scipy as sp |
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364 sp.linspace(-5 * sp.pi, 5 * sp.pi, 500) |
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365 |
332 \end{lstlisting} |
366 \end{lstlisting} |
333 \end{frame} |
367 \end{frame} |
334 |
368 |
335 \begin{frame} |
369 \begin{frame} |
336 \frametitle{Modules: Standard library} |
370 \frametitle{Modules: Standard library} |