Swarm Intelligence Algorithms

34 Bacterial Foraging Optimization

θ = [θ

1

, θ

2

, θ

3

, . . . , θ

p

]

T

denotes a point in the P -dimensional search space, θ

i

m

is the mth component of the ith bacterium position, d

attract

is the depth of the

attractant released by the cell, w

attract

is a measure of the width of attractant

signal, h

repellant

is the height of the repellant effect (i.e., h

repellant

= d

attract

),

and w

repellant

is the measure of the width of the repellant.

3.2.3 Reproduction

In this process, the members of the bacteria’s swarm having high nutrients

will only survive and reproduce new ones by splitting themselves into two.

For this purpose, the population first sorted into ascending order ...