Hello everyone. I need a help from you all. I am trying to plot two different graphs (say G1 and G2) in a same plot using hold on command. Now, I have marked a point on G1 say P1(x,y). I want to find the point P2(x,y) on the other graph G2 for same x coordinate. What commands I can use to achieve this? I hope my question is clear to you and can anyone please help me? Thanks in advance.