Table 6 The absolute errors \(\pmb{|f(z)-f_{n}(z)|}\) at some selected points on Ω for Example 3
n | −1 − 0.2i | −0.5 − 0.6i | 0.2 + 0.6i | 1.2 − 0.3i |
|---|---|---|---|---|
32 | \(8.0~(-4) \) | \(4.5~(-3) \) | \(3.4~(-3) \) | \(2.4~(-3) \) |
64 | \(9.10~(-5) \) | \(2.24~(-4) \) | \(1.48~(-4) \) | \(1.10~(-4) \) |
128 | \(6.68~(-6) \) | \(1.30~(-5) \) | \(8.13~(-6) \) | \(6.35~(-6) \) |
256 | \(4.05~(-7) \) | \(8.47~(-7) \) | \(5.16~(-7) \) | \(4.07~(-7) \) |
512 | \(2.33~(-8) \) | \(5.63~(-8) \) | \(3.46~(-8) \) | \(2.69~(-8) \) |
1,024 | \(1.34~(-9) \) | \(3.74~(-9) \) | \(2.34~(-9) \) | \(1.78~(-9) \) |