1*c4762a1bSJed BrownL_2 Error: [1.85057e-16, 9.31817e-17, 0.] 2*c4762a1bSJed BrownL_2 Residual: 1.72509e-15 3*c4762a1bSJed BrownTaylor approximation converging at order 1.07 4