Table 12 comparison between obtained solutions by GA based hybrid approach using exponential membership function with different approaches at \(\alpha = 0.1\)
Shape parameter | Aspiration level | Hannan (1981) | Lai and Hwang (1992) | Yager (1981) | Gupta and Mehlawat (2014) | Proposed hybrid approach |
|---|---|---|---|---|---|---|
Max \(\lambda\) | Max \(\lambda\) | Max \(\lambda\) | Max \(\lambda\) | Max \(\lambda\) | ||
(−5, −1, −2) | 0.8, 0.85, 0.7 | 0.67342 | 0.53334 | 0.642109 | 0.695652 | 0.8954 |
(−5, −1, −2) | 0.9, 0.7, 0.8 | 0.8527 | ||||
(−5, −1, −2) | 0.7, 0.8, 0.9 | 0.8611 | ||||
(−2, −5, −1) | 0.8, 0.85, 0.7 | 0.9115 | ||||
(−2, −5, −1) | 0.9, 0.75, 0.8 | 0.8667 | ||||
(−1, −2, −5) | 0.7, 0.8, 0.85 | 0.7799 | ||||
(−1, −2, −5) | 0.8, 0.7, 0.75 | 0.8240 |