DM Object: box 1 MPI process
  type: plex
box in 2 dimensions:
  Number of 0-cells per rank: 4
  Number of 1-cells per rank: 4
  Number of 2-cells per rank: 1
Labels:
  marker: 1 strata with value/size (1 (8))
  Face Sets: 4 strata with value/size (1 (1), 2 (1), 3 (1), 4 (1))
  depth: 3 strata with value/size (0 (4), 1 (4), 2 (1))
  celltype: 3 strata with value/size (0 (4), 1 (4), 4 (1))
Time     Step Part     Energy
0.000000    0     0   500.0000
0.000000    0     1   250.0000
0.000000    0 KE	      750.0000
0.000000    0 PE	    1
0.000000    0 E	      751.0000
t 0.1: p0 error [0.026 0.8] sol [(-1.000897 0.005291) (-0.146810 -31.626300)] exact [(-0.999786 -0.020684) (0.654071 -31.616012)] energy/exact energy 500.122 / 500. (0.0244390103%)
t 0.1: p1 error [0.0051 0.052] sol [(0.879841 1.797348) (-20.062314 9.806151)] exact [(0.874902 1.798484) (-20.107666 9.781706)] energy/exact energy 249.329 / 250. (0.2685892305%)
Time     Step Part     Energy
0.000000    0     0   500.0000
0.000000    0     1   250.0000
0.000000    0 KE	      750.0000
0.000000    0 PE	    1
0.000000    0 E	      751.0000
t 0.1: p0 error [0.0066 0.19] sol [(-1.000747 -0.014119) (0.466608 -31.623987)] exact [(-0.999786 -0.020684) (0.654071 -31.616012)] energy/exact energy 500.147 / 500. (0.0294246840%)
t 0.1: p1 error [0.0033 0.036] sol [(0.878150 1.798107) (-20.072773 9.788868)] exact [(0.874902 1.798484) (-20.107666 9.781706)] energy/exact energy 249.369 / 250. (0.2523662217%)
Time     Step Part     Energy
0.000000    0     0   500.0000
0.000000    0     1   250.0000
0.000000    0 KE	      750.0000
0.000000    0 PE	    1
0.000000    0 E	      751.0000
t 0.1: p0 error [0.0018 0.033] sol [(-1.000637 -0.019042) (0.621887 -31.621567)] exact [(-0.999786 -0.020684) (0.654071 -31.616012)] energy/exact energy 500.155 / 500. (0.0310257774%)
t 0.1: p1 error [0.0028 0.032] sol [(0.877694 1.798297) (-20.075801 9.784612)] exact [(0.874902 1.798484) (-20.107666 9.781706)] energy/exact energy 249.388 / 250. (0.2447147259%)
L_2 convergence rate: 2.1
Time     Step Part     Energy
0.000000    0     0   500.0000
0.000000    0     1   250.0000
0.000000    0 KE	      750.0000
0.000000    0 PE	    1
0.000000    0 E	      751.0000