Table 1: Convergence rate in time for (46) with and .

-norm -norm c. rate CPUT (seconds)

0.001 1/4 1.3815 ×   1.8960 ×   0.214
0.001 1/16 6.1890 ×   8.4939 ×   1.1585 0.357
0.001 1/32 2.7858 ×   3.8234 ×   1.1516 0.736
0.001 1/64 1.2571 ×   1.7252 ×   1.1481 1.438
0.001 1/128 5.6567 ×   7.7635 ×   1.1520 2.922