Enter the sequence x(n)= [1 2 3 -1 -2]
Enter the sequence h(n) = [2 1 2 0 0]
yn =
  -2.0000 - 0.0000i
   1.0000 - 0.0000i
  10.0000 + 0.0000i
   5.0000 - 0.0000i
   1.0000 - 0.0000i