title: How to programmatically draw a line in MATLAB?
body: <p>I am trying to draw an arbitrary <strong><em>line</em></strong> on a figure in matlab (off of a plot) and I don't know what command I can use.</p>
  
  <p>I tried using the <a href="http://www.mathworks.com/matlabcentral/fileexchange/278-arrow-m" rel="nofollow">arrow</a> package, but I'm getting bad results</p>