create plot without x y data, draw plot line just like paint on matlab

Matab: is it possible to create data from plot? hi i want to create non linear plot. on my graphic display. how to do it without data input? i mean how to 'draw' manually a 'cheating' plot on matlab.

Answer 1

[Honglei Chen]

Are you looking for something like this?

plot(1:10,rand(1,10))
axis off

Answer 2

[Oleg Komarov]

GUI_39 from 41 Complete GUI Examples