Subtract v=(1,1,1)\mathbf{v} = (1, 1, 1)v=(1,1,1) from u=(2,2,2)\mathbf{u} = (2, 2, 2)u=(2,2,2).
(1, 1, 1)
(3, 3, 3)
(0, 0, 0)
(2, 2, 2)