| Algorithm | Optimized element positions () | Maximum SLL (dB) |
| Conv. | 0.2500, 0.7500, 1.2500, 1.7500, 2.2500, 2.7500, 3.2500, 3.7500 | -13.1476 | PSO | 0.2500, 0.5311, 1.0128, 1.3930, 1.8738, 2.3329, 2.9893, 3.7500 | -21.3693 | PSOGSA | 0.2500, 0.5495, 1.0230, 1.3560, 1.8561, 2.3358, 2.9783, 3.7500 | -21.8484 | WOA | 0.2500, 0.6485, 1.0456, 1.3751, 1.9467, 2.4634, 3.0076, 3.7500 | -19.1546 | GOA | 0.2500, 0.5802, 1.1274, 1.3493, 1.9119, 2.3129, 3.0208, 3.7500 | -19.9808 | MTDE | 0.2500, 0.5244, 1.0082, 1.3555, 1.8647, 2.3620, 3.0093, 3.7500 | -22.1498 | SSA | 0.2500, 0.5331, 1.0118, 1.3453, 1.8495, 2.3404, 2.9835, 3.7500 | -22.0177 | MSSA | 0.2500, 0.5226, 1.0038, 1.3486, 1.8518, 2.3447, 2.9948, 3.7500 | -22.6768 |
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