>> a = [1, 2]
a =
1 2
>> b = [0, 1, 2]
b =
0 1 2
>> c = a + [2, 2]
c =
3 4
>> 2 * b
ans =
0 2 4
>> a=1:3 a = 1 2 3 >> a=1:3:8 a = 1 4 7
>> sin([0, 1]) ans = 0.00000 0.84147