> a = 1:5 a = 1 2 3 4 5 > b = 6:2:-1 b = 6 5 4 3 2 > a.*b 6 10 12 12 10 > 6+10+12+12+10 50 > dot(a,b) 50 > c = b'; > dot(a,c) 50
cross
sum()
trace()