DM Object: Mesh 1 MPI processes
  type: plex
Mesh in 3 dimensions:
  0-cells: 27
  1-cells: 98
  2-cells: 120
  3-cells: 48
Labels:
  celltype: 4 strata with value/size (0 (27), 6 (48), 3 (120), 1 (98))
  depth: 4 strata with value/size (0 (27), 1 (98), 2 (120), 3 (48))
  marker: 1 strata with value/size (1 (74))
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.
0.333333
Initial Residual
Vec Object: Residual, Iterate 0 1 MPI processes
  type: seq
0.333333
L_2 Residual: 0.333333
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.
-1.66667
Au - b = Au + F(0)
Vec Object: Residual, Iterate 0 1 MPI processes
  type: seq
0.333333
Linear L_2 Residual: 0.333333