Changing dimensions of plot in matplotlib

To specify dimensions of a plot in matplotlib (e.g. to get longer x or y axis), do this:

fig = plt.figure(figsize=(20,3)) #x-axis = 20", y-axis=3"
ax = fig.add_subplot(111)
ax.plot(x, y)

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Jupyter-notebook: plot matplotlib graphs inline

To plot matplotlib graphs inline in Jupyter-notebook, do this:

import matplotlib.pyplot as plt
%matplotlib inline

Now, plt.plot(...) while show the graph inline.