1*c4762a1bSJed BrownFunction tests pass for order 0 at tolerance 1e-10 2*c4762a1bSJed BrownFunction tests pass for order 0 derivatives at tolerance 1e-10 3*c4762a1bSJed BrownFunction convergence rate at coarsening 0: 1.3 4*c4762a1bSJed BrownDerivative convergence rate at coarsening 0: 0.81 5*c4762a1bSJed BrownFunction convergence rate at coarsening 1: 1.1 6*c4762a1bSJed BrownDerivative convergence rate at coarsening 1: 0.78 7*c4762a1bSJed BrownFunction convergence rate at coarsening 2: 1.3 8*c4762a1bSJed BrownDerivative convergence rate at coarsening 2: 0.79 9