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	    0
0.000000    0 E	      750.0000
t 0.1: p0 error [0.03 0.82] sol [(-0.999986 0.005279) (-0.166929 -31.622324)] exact [(-0.999786 -0.020684) (0.654071 -31.616012)] energy/exact energy 500. / 500. (0.0000784019%)
t 0.1: p1 error [0.00 0.03] sol [(0.876992 1.797466) (-20.096280 9.805074)] exact [(0.874902 1.798484) (-20.107666 9.781706)] energy/exact energy 250. / 250. (0.0000089780%)
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	    0
0.000000    0 E	      750.0000
t 0.1: p0 error [0.01 0.21] sol [(-0.999900 -0.014121) (0.446549 -31.619602)] exact [(-0.999786 -0.020684) (0.654071 -31.616012)] energy/exact energy 499.999 / 500. (0.0001363068%)
t 0.1: p1 error [0.00 0.01] sol [(0.875426 1.798229) (-20.104816 9.787559)] exact [(0.874902 1.798484) (-20.107666 9.781706)] energy/exact energy 250. / 250. (0.0000107218%)
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	    0
0.000000    0 E	      750.0000
t 0.1: p0 error [0.00 0.05] sol [(-0.999823 -0.019034) (0.601905 -31.617188)] exact [(-0.999786 -0.020684) (0.654071 -31.616012)] energy/exact energy 500.004 / 500. (0.0008837369%)
t 0.1: p1 error [0.00 0.00] sol [(0.875036 1.798421) (-20.106961 9.783183)] exact [(0.874902 1.798484) (-20.107666 9.781706)] energy/exact energy 250. / 250. (0.0001099351%)
L_2 convergence rate: 2.0
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	    0
0.000000    0 E	      750.0000