Methods | μ = 0.1 | μ = 0.5 | μ = 0.9 | μ ≥ 1 |
---|
[8] (m = 2) | 3.65 | 3.32 | 3.26 | 3.24 |
[8] (m = 4) | 3.71 | 3.36 | 3.29 | 3.28 |
[10] (m = 2) | 3.78 | 3.45 | 3.39 | 3.38 |
[11] | 4.1967 | 3.6246 | 3.5961 | 3.5952 |
[12], Theorem 1 | 4.3351 | 3.7706 | 3.7323 | 3.7211 |
[12], Theorem 2 | 4.3361 | 3.7723 | 3.7329 | 3.7212 |
Corollary 3.3 | 5.4735 | 4.5487 | 4.4882 | 4.4531 |