x = size 3 Vector of double:
[ 1 2 3 ]

x = size 3 Vector of double:
[ 4 5 6 ]

euclidean(x) = 3.74166
dot(x,y) = 32
z = size 3 Vector of double:
[ 14 19 24 ]

2*x+3*y = size 3 Vector of double:
[ 14 19 24 ]

w = size 6 Vector of double:
[ 1 2 3 4 5 6 ]

w(0:3)'w(3:6) = 32
w = size 6 Vector of double:
[ 2 4 6 8 5 6 ]

