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 refinement 0: 0.14 4*c4762a1bSJed BrownDerivative convergence rate at refinement 0: -0.22 5*c4762a1bSJed BrownFunction convergence rate at refinement 1: 1.80 6*c4762a1bSJed BrownDerivative convergence rate at refinement 1: 0.85 7*c4762a1bSJed BrownFunction convergence rate at refinement 2: 1.95 8*c4762a1bSJed BrownDerivative convergence rate at refinement 2: 0.97 9