2-norm of error 2.75432
2-norm of error 2.51404
2-norm of error 2.31545
2-norm of error 2.13928
2-norm of error 1.97883
2-norm of error 1.83101
2-norm of error 1.69406
2-norm of error 1.56682
2-norm of error 1.4484
2-norm of error 1.3381