vectore with two colors

I merged two parts together and I want to draw them together but in two different colors

fb=[fr;fi];

when

stem (fb) ;

the output one colors I want output two colors in one plot

Answer 1

[KSSV]

A = rand(3,1) ;
B = rand(3,1) ;
x1 = 1:length(A) ;
x2 = (1:length(B))+length(A) ;

figure
hold on
stem(x1,A,'r')
stem(x2,B,'b')

[abdullah qasim]

thank u but I want stem B after stem A

[KSSV]

Edited the code.

[abdullah qasim]

I mean that stem( A) starts from (0: N-1)and stem (B) from (N :2(N-1)) in same plot at different colours.

[KSSV]

Yes....you can do that....

[abdullah qasim]

how

[KSSV]

I gave you an exampel code.....you need to do the same with that....your fr is A and fl is B...

[abdullah qasim]

thank u very much