title: Undefined function 'readlas' for input arguments of type 'char'
body: <p>I just bought the student version of Matlab 2013. I have three well log files (<code>.las</code>) and I have downloaded them onto my computer. </p>
  
  <p>When I open matlab I think it has to deal with either retrieving the <code>.las</code> file, or setting the path to get the functions. When I try to even type <code>help readlas</code> it gives me this error: </p>
  
  <pre><code>"Undefined function 'readlas' for input arguments of type 'char'."
  </code></pre>
  
  <p>Where do I set my path? How do I let Matlab access those three well log <code>.las</code> files?</p>