Research Article
A Fourth-Order Collocation Scheme for Two-Point Interface Boundary Value Problems
Table 2
The maximal nodal norm and the Sobolev norm errors and their convergence orders for the problem in Example
2.
| | | | | | |
| 4 | 2.1 − 07 | 4.0 | 2.6 − 06 | 4.0 | 4.3 − 06 | 4.0 | 5.9 − 05 | 3.0 | 1.5 − 03 | 2.0 | 8 | 1.3 − 08 | 4.0 | 1.6 − 07 | 4.0 | 2.7 − 07 | 4.0 | 7.4 − 06 | 3.0 | 3.8 − 04 | 2.0 | 16 | 8.2 − 10 | 4.0 | 1.0 − 08 | 4.0 | 1.7 − 08 | 4.0 | 9.2 − 07 | 3.0 | 9.6 − 05 | 2.0 | 32 | 5.2 − 11 | 4.0 | 6.4 − 10 | 4.0 | 1.1 − 09 | 4.0 | 1.2 − 07 | 3.0 | 2.4 − 05 | 2.0 | 64 | 3.2 − 12 | 4.0 | 4.0 − 11 | 4.0 | 6.7 − 11 | 4.0 | 1.4 − 08 | 3.0 | 6.0 − 06 | 2.0 | 128 | 2.0 − 13 | 4.0 | 2.5 − 12 | 4.0 | 4.2 − 12 | 4.0 | 1.8 − 09 | 3.0 | 1.5 − 06 | 2.0 | 256 | 1.3 − 14 | 4.0 | 1.6 − 13 | 4.0 | 2.6 − 13 | 4.0 | 2.3 − 10 | 3.0 | 3.7 − 07 | 2.0 | 512 | 1.9 − 15 | 2.8 | 9.5 − 15 | 4.0 | 1.7 − 14 | 4.0 | 2.8 − 11 | 3.0 | 9.3 − 08 | 2.0 |
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