title: Finding the equation of a contour in Matlab
body: <p>I have a contour plot generated by Matlab. I wish to know the equation of one of the contours drawn by contour function. </p>
  
  <p>Is there a simple way to do this? </p>
  
  <p>Thanks.</p>
  
  <p>P.S. I am new here, so the site didn't let me attach an image file saying I need enough reputation to post images!</p>