title: numpy equivalents of eig() and eigs() functions of Matlab
body: <p>What is the numpy or scipy equivalent of </p>
  
  <pre><code>[V, D]= eig(A,-B)
  </code></pre>
  
  <p>And </p>
  
  <p><code>[V, D]= eigs(A,-B, 60, ‘SM')</code></p>