# Convergence results # fictional source, generated 2008 level dof error1 error2 info grad(log(dof),log(error2)) quot(error1) 1 4 2.50000000e-01 7.57858283e-01 48 0 0 2 16 6.25000000e-02 5.00000000e-01 25 -3.00000000e-01 4 3 64 1.56250000e-02 2.87174589e-01 41 -3.99999999e-01 4 4 256 3.90625000e-03 1.43587294e-01 8 -5.00000003e-01 4 5 1024 9.76562500e-04 4.41941738e-02 22 -8.49999999e-01 4 6 4096 2.44140625e-04 1.69802322e-02 46 -6.90000001e-01 4 7 16384 6.10351562e-05 8.20091159e-03 40 -5.24999999e-01 4 8 65536 1.52587891e-05 3.90625000e-03 48 -5.35000000e-01 3.99999999e+00 9 262144 3.81469727e-06 1.95312500e-03 33 -5.00000000e-01 4.00000001e+00 10 1048576 9.53674316e-07 9.76562500e-04 2 -5.00000000e-01 4.00000001e+00