how to draw two graphs on same figure in matlab

i want to compare two graph for this i need to draw both on same figure.how can i do this?

Answer 1

[sixwwwwww]

x1 = 0:10;
y1 = randi(100, 1, numel(x1));
x2 = 0:100;
y2 = randi(100, 1, numel(x2));
plot(x1, y1, x2, y2)

[Muhammad Aamir]

two different codes leach and modleach i want both on same graph

[sixwwwwww]

can you show your codes for leach and modleach?

Answer 2

[Wayne King]

Have you tried simply hold on;

 x = randn(100,1);
 y = randn(100,1);
 plot(x); hold on;
 plot(y,'r');

Or simply:

plot(1:length(x),x,1:length(y),y)

If you need different scales for the y-axis see plotyy()