title: checking if function is a part of/which toolbox
body: <p>We have a relatively "rich" matlab installed on our workstations. I now need to send some code to ..., and I'd like to check what toolboxes it requires for it to work properly.</p>
  
  <p>What would be the easiest way to do that ?</p>
  
  <p>How does one find out what toolbox some function belongs to ?</p>