Research Article
An Improved Hybrid Algorithm Based on Biogeography/Complex and Metropolis for Many-Objective Optimization
Table 5
Best, median, and worst IGD values obtained by DTLZ1 to DTLZ4 with six algorithms by different number of objectives.
| | Functions | | | Hmp/BBO | BBO/Complex | NSGAIII | MOEA/D-PBI | HYPE | GREA |
| | DTLZ1 | 3 | Best | | | | | | | | Median | | | | | | | | Worst | | | | | | | | 4 | Best | | | | | | | | Median | | | | | | | | Worst | | | | | | | | 5 | Best | | | | | | | | Median | | | | | | | | Worst | | | | | | |
| | DTLZ2 | 3 | Best | | | | | | | | Median | | | | | | | | Worst | | | | | | | | 4 | Best | | | | | | | | Median | | | | | | | | Worst | | | | | | | | 5 | Best | | | | | | | | Median | | | | | | | | Worst | | | | | | |
| | DTLZ3 | 3 | Best | | | | | | | | Median | | | | | | | | Worst | | | | | | | | 4 | Best | | | | | | | | Median | | | | | | | | Worst | | | | | | | | 5 | Best | | | | | | | | Median | | | | | | | | Worst | | | | | | |
| | DTLZ4 | 3 | Best | | | | | | | | Median | | | | | | | | Worst | | | | | | | | 4 | Best | | | | | | | | Median | | | | | | | | Worst | | | | | | | | 5 | Best | | | | | | | | Median | | | | | | | | Worst | | | | | | |
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