title: How to prove the convergence of EM?
body: <p>Can you anybody explain how to prove the convergence of the Expectation Maximization algorithm? </p>
  
  <p>For example EM for coins problems: <a href="https://math.stackexchange.com/questions/25111/how-does-expectation-maximization-work">https://math.stackexchange.com/questions/25111/how-does-expectation-maximization-work</a></p>