title: How can I draw a vertical line upon the horizontal lines in matlab?
body: <p>I want to draw a vertical line in Matlab upon the concurrent horizontal lines and show the coordinates where the vertical line intersects the horizontal lines.I give a figure here, I want to write a code so that it draws a line first and show the co-ordinates on the intersection point automatically.</p>
  
  <p><img src="https://i.stack.imgur.com/PHtoc.png" alt="Demo:"></p>