Local function:
Vec Object: 1 MPI processes
  type: seq
0.
0.25
1.
0.25
0.5
1.25
1.
1.25
2.
Initial guess
Vec Object:potential 1 MPI processes
  type: seq
0.5
L_2 Error: 0.111111
Residual:
Vec Object: 1 MPI processes
  type: seq
0.
0.
0.
0.
0.
0.
0.
0.
0.
Initial Residual
Vec Object: 1 MPI processes
  type: seq
0.
L_2 Residual: 0.
Jacobian:
Mat Object: 1 MPI processes
  type: seqaij
row 0: (0, 4.) 
Residual:
Vec Object: 1 MPI processes
  type: seq
0.
0.
0.
0.
-2.
0.
0.
0.
0.
Au - b = Au + F(0)
Vec Object: 1 MPI processes
  type: seq
0.
Linear L_2 Residual: 0.