h | \(\boldsymbol {\|U_{h}-u\|}\) | \(\boldsymbol {\|\tilde{U}_{h}-u\|}\) | Ord( U ) | \(\boldsymbol {\operatorname{Ord}(\tilde{U})}\) |
---|---|---|---|---|
1/4 | 3.743333e−02 | 1.865509e−02 | 1.8843 | 4.1817 |
1/8 | 1.013944e−02 | 1.027991e−03 | 1.9739 | 3.9656 |
1/16 | 2.581113e−03 | 6.579804e−05 | 1.9936 | 4.1623 |
1/32 | 6.481292e−04 | 3.674768e−06 | 1.9984 | 3.9866 |
1/64 | 1.622098e−04 | 2.318145e−07 |  |  |