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. 2022 Jul 25;17(7):e0271925. doi: 10.1371/journal.pone.0271925

Fig 21. Comparison of convergence speed between PSO, PBBPSO, DA-BBPSO, DLS-BBPSO, FBBPSO and ETBBPSO, f20, (a) iteration 0-6000, (b) iteration 6000-10000 the unit is 100 iteration.

Fig 21