How do you change the size of figures drawn with matplotlib?

Question

How do you change the size of figure drawn with matplotlib?

Answer 1

This resizes the figure immediately even after the figure has been drawn (at least using Qt4Agg/TkAgg - but not MacOSX - with matplotlib 1.4.0):

matplotlib.pyplot.get_current_fig_manager().resize(width_px, height_px)