Bacterial Colony Optimization

Table 2

Experimental results on benchmark functions 𝑓₁~𝑓₄ (15-D).

Methods	Function
	Unimodal	Unimodal	Multimodal	Multimodal
	Sphere	Rosenbrock	Sum of powers	Sin
GA	0.0861±0.0315	5.9424𝑒+004±9.0890𝑒+004	2.7758𝑒−007±2.8466𝑒−007	0.8230±0.3032
PSO	𝟓.𝟏𝟐𝟐𝟎e −𝟎𝟐𝟑±𝟕.𝟖𝟕𝟗𝟐e −𝟎𝟐𝟑	40.1823±71.5801	𝟐.𝟖𝟎𝟗𝟒e −𝟎𝟒𝟐±𝟖.𝟖𝟕𝟔𝟓e −𝟎𝟒𝟐	0.0119±0.0079
BFO	0.1056±0.0226	26.2697±1.8863	2.7425𝑒−004±1.5674𝑒−004	0.4062±0.0996
BFO-LDC	0.0012±2.5165𝑒−004	8.1075±2.3860	4.3249𝑒−006±1.2600𝑒−006	0.1148±0.1436
BFO-NDC	0.2871±0.0609	43.8763±5.7079	0.0039±0.0020	6.6384±0.5715
BCO	1.7399𝑒−004± 2.2977𝑒−005	𝟔.𝟕𝟒𝟖𝟏±𝟒.𝟏𝟗𝟖𝟏	9.6762𝑒−009±5.4558𝑒−009	𝟎.𝟎𝟎𝟑𝟏±𝟎.𝟎𝟎𝟓𝟐