plt.rcparams 'figure.figsize' = (w h) code example

Example 1: increase figure size in matplotlib

plt.figure(figsize=(20,10))

Example 2: fig=plt.figure(figsize=(2,2))

subplot(1,1,1)
plot(x, y, 'r--')
subplot(1,2,2)
plot(y, x, 'g*-');