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Errors of numerical solutions for Case 3 and Case 4.
| MIB for Case 3 | MIB for Case 4 | ||||
|---|---|---|---|---|---|
| nx × ny | L∞ norm | Order | nx × ny | L∞ norm | Order |
| 20 × 20 | 1.623 (−1) | ||||
| 40 × 40 | 3.285 (−2) | 2.3 | 25 × 25 | 5.017 (−3) | |
| 80 × 80 | 8.515 (−3) | 1.9 | 50 × 50 | 1.333 (−4) | 1.9 |
| 160 × 160 | 2.051 (−4) | 2.0 | 100 × 100 | 4.944 (−5) | 1.6 |
