Find the projection of u=(1,1)\mathbf{u} = (1, 1)u=(1,1) onto the line spanned by v=(1,0)\mathbf{v} = (1, 0)v=(1,0).
(1,1)(1, 1)(1,1)
(0,0)(0, 0)(0,0)
(1,0)(1, 0)(1,0)
(0,1)(0, 1)(0,1)