2
# n err_l2 err_h1 err_linf
3
8 2.04645e-07 1.23854e-05 1.03627e-06
4
11 5.09583e-08 4.16361e-06 2.37556e-07
5
16 7.36411e-09 8.96822e-07 4.34797e-08
6
23 8.6103e-10 1.57373e-07 5.06305e-09
7
32 1.51037e-10 3.99464e-08 7.34457e-10
8
45 2.83161e-11 1.03184e-08 2.25808e-10
9
64 5.53527e-12 2.80572e-09 3.43928e-11