Table 2 Errors for stabilized \(P_{2}\)–\(P_{2}\) pair with \(\tau=h^{2}\)
1/h | \(\operatorname{Err}(u_{1})\) | Rate | \(\operatorname {Err}(u_{2})\) | Rate | \(\operatorname{Err}(p_{1})\) | Rate | \(\operatorname {Err}(p_{2})\) | Rate |
|---|---|---|---|---|---|---|---|---|
4 | 2.6926E−2 | – | 1.7999E−1 | – | 1.7270E−2 | – | 1.6852E−2 | – |
8 | 5.7926E−3 | 2.215 | 3.4207E−2 | 2.396 | 4.2766E−3 | 2.014 | 4.2613E−3 | 1.984 |
16 | 1.3445E−3 | 2.107 | 6.9341E−3 | 2.303 | 1.0623E−3 | 2.009 | 1.1131E−3 | 1.914 |