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: 2.1 4*c4762a1bSJed BrownDerivative convergence rate at refinement 0: 0.66 5*c4762a1bSJed BrownFunction convergence rate at refinement 1: 2.1 6*c4762a1bSJed BrownDerivative convergence rate at refinement 1: 0.88 7*c4762a1bSJed BrownFunction convergence rate at refinement 2: 2 8*c4762a1bSJed BrownDerivative convergence rate at refinement 2: 0.95