clc
clearall
closeall
n=[-5:15];
x=3*impulse(-2,-5,15)+2*impulse(0,-5,15)-impulse(3,-5,15)+5*impulse(7,-5,15);
stem(n,x);
xlabel('n');ylabel('x(n)');




error


??? Error using ==> stem at 44
X must be same length as Y.

Error in ==> tamrin1 at 6
stem(n,x);