undo a command in matlab plotting in 2d

I have a plot in 2d with 3 waves in it now i want to remove one the wave from the plot , how can i do it without restarting from the start

Answer 1

[ScottB]

x = 1:10;

y = x.^2;

b = x.^3;

h1 = plot(y);

hold on

h2 =plot(b);

pause(3)

set(h1, 'visible','off')

Answer 2

[Voss]

In the figure window go to Tools menu > Edit Plot. Using the mouse cursor select the line you want to remove, then either right-click and select Delete or hit the delete key.