a = 0.031831 Beginning convergence study... Cycle 0 Number of active cells:256 Number of degrees of freedom:1089 Assembling matrix and right hand side...done (0.257876s) Solving linear system... done (0.01013s) Cycle 1 Number of active cells:1024 Number of degrees of freedom:4225 Assembling matrix and right hand side...done (0.419717s) Solving linear system... done (0.102925s) Cycle 2 Number of active cells:4096 Number of degrees of freedom:16641 Assembling matrix and right hand side...done (1.68384s) Solving linear system... done (0.561179s) Cycle 3 Number of active cells:16384 Number of degrees of freedom:66049 Assembling matrix and right hand side...done (6.73657s) Solving linear system... done (2.61684s) Cycle 4 Number of active cells:65536 Number of degrees of freedom:263169 Assembling matrix and right hand side...done (28.1408s) Solving linear system... done (11.3663s) Cycle 5 Number of active cells:262144 Number of degrees of freedom:1050625 Assembling matrix and right hand side...done (110.888s) Solving linear system... done (58.9887s) Error analysis: cycle cells dofs L2 H1 Linfty Time 0 256 1089 3.541e+00 - 4.224e+01 - 1.264e+01 0.9099 1 1024 4225 2.183e-01 4.02 9.525e+00 2.15 1.626e+00 1.1751 2 4096 16641 5.381e+00 -4.62 8.884e+01 -3.22 1.924e+01 3.7462 3 16384 66049 8.451e-01 2.67 1.837e+01 2.27 3.000e+00 14.1850 4 65536 263169 7.326e-02 3.53 1.745e+00 3.40 2.899e-01 59.9280 5 262144 1050625 2.946e-03 4.64 4.086e-01 2.09 1.293e-01 250.7132 Beginning adaptive meshing using gradient error estimate... Cycle 0 Number of active cells:256 Number of degrees of freedom:1089 Assembling matrix and right hand side...done (0.123894s) Solving linear system... done (0.033475s) Cycle 1 Refining mesh...done (0.115865s) Number of active cells:490 Number of degrees of freedom:2093 Assembling matrix and right hand side...done (0.210023s) Solving linear system... done (0.048224s) Cycle 2 Refining mesh...done (0.203246s) Number of active cells:931 Number of degrees of freedom:4001 Assembling matrix and right hand side...done (0.399968s) Solving linear system... done (0.145726s) Cycle 3 Refining mesh...done (0.394122s) Number of active cells:1765 Number of degrees of freedom:7499 Assembling matrix and right hand side...done (0.76901s) Solving linear system... done (0.240371s) Cycle 4 Refining mesh...done (0.738892s) Number of active cells:3334 Number of degrees of freedom:13965 Assembling matrix and right hand side...done (1.43731s) Solving linear system... done (0.459148s) Cycle 5 Refining mesh...done (1.3314s) Number of active cells:6313 Number of degrees of freedom:26239 Assembling matrix and right hand side...done (2.7453s) Solving linear system... done (1.16908s) Error analysis: cycle cells dofs L2 H1 Linfty Time 0 256 1089 3.541e+00 4.224e+01 1.264e+01 0.5901 1 490 2093 2.183e-01 9.525e+00 1.626e+00 0.8781 2 931 4001 3.767e-01 9.510e+00 1.458e+00 1.3851 3 1765 7499 4.788e+01 8.044e+02 1.711e+02 2.2236 4 3334 13965 8.301e-01 1.808e+01 2.947e+00 3.8694 5 6313 26239 7.323e-02 1.743e+00 2.897e-01 7.3645 Beginning adaptive meshing using hessian error estimate... Cycle 0 Number of active cells:256 Number of degrees of freedom:1089 Assembling matrix and right hand side...done (0.119628s) Solving linear system... done (0.033091s) Cycle 1 Refining mesh...done (0.090832s) Number of active cells:490 Number of degrees of freedom:2087 Assembling matrix and right hand side...done (0.21166s) Solving linear system... done (0.061119s) Cycle 2 Refining mesh...done (0.168174s) Number of active cells:934 Number of degrees of freedom:4025 Assembling matrix and right hand side...done (0.392599s) Solving linear system... done (0.191225s) Cycle 3 Refining mesh...done (0.319435s) Number of active cells:1780 Number of degrees of freedom:7741 Assembling matrix and right hand side...done (0.816275s) Solving linear system... done (0.279273s) Cycle 4 Refining mesh...done (0.59408s) Number of active cells:3379 Number of degrees of freedom:14813 Assembling matrix and right hand side...done (1.47668s) Solving linear system... done (0.546221s) Cycle 5 Refining mesh...done (1.13534s) Number of active cells:6412 Number of degrees of freedom:28083 Assembling matrix and right hand side...done (2.76873s) Solving linear system... done (0.914867s) Error analysis: cycle cells dofs L2 H1 Linfty Time 0 256 1089 3.541e+00 4.224e+01 1.264e+01 0.6352 1 490 2087 2.183e-01 9.525e+00 1.626e+00 0.8655 2 934 4025 5.381e+00 8.884e+01 1.923e+01 1.3712 3 1780 7741 8.451e-01 1.837e+01 3.000e+00 2.2345 4 3379 14813 7.327e-02 1.745e+00 2.899e-01 3.8993 5 6412 28083 2.944e-03 4.087e-01 1.293e-01 6.9265