title: Insert a Jpg to the background of a matlab figure?
body: <p>I am trying to add jpg as a background of a wind field flow data that is plotted via 'slice' or 'surf' functions of matlab. 
  What I am trying is:
  <img src="https://i.stack.imgur.com/kKRoZ.png" alt="enter image description here"></p>
  
  <p>and the ones I have are these two:
  <img src="https://i.stack.imgur.com/7vJ6D.png" alt="enter image description here"> </p>