The bacterial foraging optimization algorithm was proposed in 2002 by Passino. This algorithm comprises mainly three mechanisms called chemo taxis, reproduction and elimination–dispersal. Bacteria get together in the nutrient-rich areas in an unstructured manner called chemo taxis. In reproduction, superlative personalized bacteria survive and spread their genetic characteristics to next population. Some part of bacteria become moderate and scatter into arbitrary positions of environment to avoid getting trapped in local optima is called elimination dispersal.
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