An Adaptive Shrinking Grid Search Chaotic Wolf Optimization Algorithm Using Standard Deviation Updating Amount

Figure 6

Histograms of the SD about the benchmark functions for testing: (a) –F1; (b) –F2; (c) –F3; (d) –F4; (e) –F5; (f) –F6; (g) –F7; (h) –F8; (i) –F9; (j) –F10; (k) –F11; (l) –F12 (red means the value is out of upper limit of the chart).

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