Table 3.
The combination scheme of the three strategies
| Methods | SS | WS | E |
|---|---|---|---|
| SWEWOA | 1 | 1 | 1 |
| WOA_S | 1 | 0 | 0 |
| WOA_W | 0 | 1 | 0 |
| WOA_E | 0 | 0 | 1 |
| WOA_SW | 1 | 1 | 0 |
| WOA_SE | 1 | 0 | 1 |
| WOA_WE | 0 | 1 | 1 |
| WOA | 0 | 0 | 0 |
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