Research Article
An Adaptive Shrinking Grid Search Chaotic Wolf Optimization Algorithm Using Standard Deviation Updating Amount
| Function | Order | Best value | Worst value | Average value | Standard deviation | Mean iteration | Average time |
| F1 | 1 | 3.64E − 12 | 2.83E − 08 | 3.52E − 10 | 2.83E − 09 | 488 | 0.4038 | 2 | 4.14E − 21 | 3.26E − 14 | 1.15E − 15 | 3.87E − 15 | 591 | 0.4282 | 3 | 4.79E − 26 | 4.95E − 21 | 2.58E − 22 | 5.79E − 22 | 585 | 2.4095 | 4 | 1.04E − 119 | 1.69E − 12 | 5.85E − 24 | 2.13E − 13 | 295 | 0.4266 | 5 | 0 | 0 | 0 | 0 | 27.44 | 0.10806 |
| F2 | 1 | −1 | −0.00008110 | −0.97 | 0.1714 | 153 | 0.0375 | 2 | −1 | −1 | −1 | 3.24E − 06 | 583 | 0.4196 | 3 | −1 | −1 | −1 | 0 | 507 | 1.9111 | 4 | −1 | −1 | −1 | 0 | 72 | 0.0321 | 5 | −1 | 0 | −0.02 | 0.0196 | 592.62 | 2.7036 |
| F3 | 1 | 8.50E − 07 | 1.61E − 05 | 2.77E − 06 | 3.35E − 06 | 593 | 1.4396 | 2 | 0.00017021 | 0.0114 | 0.0023 | 0.0022 | 595 | 0.4792 | 3 | 7.60E − 07 | 8.7485 | 1.4802 | 1.5621 | 600 | 4.8319 | 4 | 5.61E − 07 | 1.49E − 05 | 1.07E − 06 | 8.74E − 06 | 600 | 4.1453 | 5 | 0 | 0 | 0 | 0 | 1 | 10.2205 |
| F4 | 1 | 0.004 | 0.0331 | 0.0127 | 0.0055 | 592 | 3.1902 | 2 | 0.0351 | 0.1736 | 0.0902 | 0.0292 | 594 | 0.4868 | 3 | 3.5579 | 10.3152 | 8.0497 | 1.2048 | 600 | 1.4742 | 4 | 0.00001114 | 0.0098 | 0.0012 | 0.0048 | 600 | 0.8431 | 5 | 0 | 0 | 0 | 0 | 1 | 10.0834 |
| F5 | 1 | 4.67E − 10 | 4.67E − 10 | 4.67E − 10 | 3.12E − 25 | 73 | 0.0085 | 2 | 9.20E − 22 | 6.66E − 15 | 1.34E − 16 | 6.78E − 16 | 594 | 0.4298 | 3 | 1.23E − 23 | 1.76E − 19 | 1.56E − 20 | 2.60E − 20 | 585 | 2.4112 | 4 | 3.75E − 136 | 1.31E − 19 | 4.28E − 22 | 2.24E − 11 | 195 | 0.2169 | 5 | 0 | 0 | 0 | 0 | 1.01 | 1.06E − 03 |
| F6 | 1 | −1.0316 | −1.0316 | −1.0316 | 1.79E − 15 | 68 | 0.0077 | 2 | −1.0316 | −1.0316 | −1.0316 | 1.47E − 15 | 578 | 0.4597 | 3 | −1.0316 | −1.0316 | −1.0316 | 1.52E − 15 | 519 | 2.4727 | 4 | −1.0316 | −1.0316 | −1.0316 | 1.25E − 15 | 157 | 0.1823 | 5 | −1.0316 | −1.0316 | −1.0316 | 5.60E − 11 | 3.32 | 0.021855 |
| F7 | 1 | 4.07E − 08 | 1.64E − 06 | 3.17E − 07 | 5.01E − 07 | 437 | 0.327 | 2 | 2.78E − 16 | 2.60E − 10 | 8.85E − 12 | 3.10E − 11 | 590 | 0.4551 | 3 | 0 | 1.67E − 16 | 7.77E − 18 | 2.50E − 17 | 556 | 1.7745 | 4 | 0 | 1.69E − 11 | 6.36E − 15 | 2.36E − 11 | 139 | 0.0793 | 5 | 0 | 0 | 0 | 0 | 24.06 | 0.1064 |
| F8 | 1 | 3.0054 | 2.7052 | 2.9787 | 0.0629 | 69 | 0.0079 | 2 | 3.0054 | 3.0054 | 3.0054 | 4.53E − 16 | 550 | 0.3946 | 3 | 3.0054 | 3.0038 | 3.0053 | 0.00016125 | 399 | 1.2964 | 4 | 3.0054 | 3.0054 | 3.0054 | 9.41E − 11 | 67 | 0.0307 | 5 | 3.0054 | 3.0054 | 3.0054 | 9.66E − 30 | 600 | 3.0412 |
| F9 | 1 | 4.55E − 11 | 3.68E − 09 | 8.91E − 11 | 3.67E − 10 | 271 | 0.1276 | 2 | 2.47E − 20 | 1.91E − 11 | 1.97E − 13 | 1.91E − 12 | 591 | 0.4525 | 3 | 6.05E − 24 | 3.12E − 19 | 2.70E − 20 | 5.48E − 20 | 580 | 1.9606 | 4 | 0 | 3.15E − 11 | 1.46E − 22 | 5.11E − 12 | 132 | 0.0738 | 5 | 0 | 0 | 0 | 0 | 26.86 | 0.11364 |
| F10 | 1 | 4.36E − 07 | 0.4699 | 0.0047 | 0.047 | 109 | 0.0197 | 2 | 0 | 3.65E − 12 | 1.12E − 13 | 4.03E − 13 | 588 | 0.4564 | 3 | 0 | 0 | 0 | 0 | 539 | 1.6736 | 4 | 0 | 0 | 0 | 0 | 78 | 0.025 | 5 | 0 | 0 | 0 | 0 | 184.88 | 0.86886 |
| F11 | 1 | 1.5851 | 1.5851 | 1.5851 | 3.78E − 07 | 434 | 0.5788 | 2 | 1.5934 | 1.594 | 1.5935 | 0.0000826 | 595 | 0.4998 | 3 | 1.55E − 06 | 2.1015 | 0.7618 | 0.5833 | 594 | 1.789 | 4 | 9.21E − 07 | 0.00018069 | 5.20E − 05 | 4.1549–5 | 535 | 1.0822 | 5 | 0 | 0 | 0 | 0 | 1 | 0.19021 |
| F12 | 1 | 2.0399 × E − 4 | 0.0277 | 0.0056 | 0.0059 | 597 | 1.577 | 2 | 0.0151 | 0.2574 | 0.0863 | 0.0552 | 592 | 0.5608 | 3 | 0.139 | 1.6442 | 0.9017 | 0.3516 | 600 | 2.1169 | 4 | 4.28E − 08 | 0.0214 | 0.00038043 | 0.0013 | 600 | 1.9728 | 5 | 0 | 0 | 0 | 0 | 1 | 7.4354 |
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