1*c29ce622SStefano ZampiniInitial guess 2*c29ce622SStefano ZampiniL_2 Error: 0.0833333 3*c29ce622SStefano ZampiniInitial Residual 4*c29ce622SStefano ZampiniL_2 Residual: 0. 5*c29ce622SStefano ZampiniAu - b = Au + F(0) 6*c29ce622SStefano ZampiniLinear L_2 Residual: 0. 7