title: Python/Matplotlib - Change the relative size of a subplot
body: <p>I have two plots</p>
  
  <pre><code>import matplotlib.pyplot as plt
  plt.subplot(121)
  plt.subplot(122)
  </code></pre>
  
  <p>I want <code>plt.subplot(122)</code> to be half as wide as <code>plt.subplot(121)</code>. Is there a straightforward way to set the height and width parameters for a subplot?</p>