Bacterial Colony Optimization

Table 5

Experimental results on benchmark functions 𝑓₁~𝑓₄ (40-D).

Methods	Function
	Unimodal	Unimodal	Multimodal	Multimodal
	Sphere	Rosenbrock	Sum of powers	Sin
GA	1.5075𝑒+003±649.0831	5.5503𝑒+006±3.1049𝑒+006	3.5051𝑒−006±2.9534𝑒−006	3.1533±0.4641
PSO	𝟔.𝟗𝟎𝟎𝟖e −𝟎𝟎𝟒±𝟖.𝟓𝟒𝟎𝟖e −𝟎𝟎𝟒	371.4299±343.1744	0.0463±0.0555	0.0156±0.0144
BFO	2.3968±0.2435	240.4581±32.1538	0.0011±6.1767𝑒−004	2.3987±0.7408
BFO-LDC	19.7817±3.5696	9.1199𝑒+003±3.9126𝑒+003	2.3965𝑒−005±1.0260𝑒−005	2.1677±0.2579
BFO-NDC	2.3968±0.2435	528.4428±80.4092	0.7211±0.2797	11.7188±1.1854
BCO	0.0214±0.3605	𝟏𝟒𝟔.𝟗𝟖𝟕𝟔±𝟏𝟒.𝟕𝟎𝟕𝟒	𝟏.𝟐𝟒𝟓𝟐e −𝟎𝟎𝟖±𝟏.𝟎𝟐𝟔𝟕e −𝟎𝟎𝟖	𝟑.𝟗𝟗𝟑𝟑e −𝟎𝟎𝟖±𝟗.𝟓𝟐𝟖𝟒e −𝟎𝟎𝟗