Local function: Vec Object: 1 MPI processes type: seq 0. 0.666667 0.666667 1.33333 0.666667 1.33333 1.33333 2. 0.833333 0.833333 1.5 1.5 0.166667 0.166667 0.833333 0.833333 0.166667 0.833333 0.833333 1.5 0.333333 1. 1. 0.333333 0.333333 1. 0.5 Initial guess Vec Object: potential 1 MPI processes type: seq 0.5 L_2 Error: 0.0845613 Residual: Vec Object: 1 MPI processes type: seq 0. 0. 0. 0. 0. 0. 0. 0. 0. 0. 0. 0. 0. 0. 0. 0. 0. 0. 0. 0. 0. 0. 0. 0. 0. 0. 0.5 Initial Residual Vec Object: Residual, Iterate 0 1 MPI processes type: seq 0.5 L_2 Residual: 0.5 Residual: Vec Object: 1 MPI processes type: seq 0. 0. 0. 0. 0. 0. 0. 0. 0. 0. 0. 0. 0. 0. 0. 0. 0. 0. 0. 0. 0. 0. 0. 0. 0. 0. -1.5 Au - b = Au + F(0) Vec Object: Residual, Iterate 0 1 MPI processes type: seq 0.5 Linear L_2 Residual: 0.5