1L_2 Error: [7.748e-17, 8.51803e-17, 1.09157e-16] 2L_2 Residual: 4.54809e-15 3Taylor approximation converging at order 2.00 4L_2 convergence rate: 1.0 5L_2 convergence rate: 1.0 6L_2 convergence rate: 1.0 7L_2 convergence rate: 1.0 8L_2 Error: [7.748e-17, 8.51803e-17, 1.62984e-16] 9L_2 Residual: 5.45777e-15 10Taylor approximation converging at order 2.00 11