An Improved Cockroach Swarm Optimization

Table 6

Comparison of best performance of RIO, HRIO, CSO, MCSO, and ICSO.

SN	Function	RIO	HRIO	CSO	MCSO	ICSO	Optimum
1	Bohachevsky1	1.3520𝐸−07	5.2651𝐸−06	2.0651𝐸−05	0.0000	0.0000	0
2	Bohachevsky2	2.2910𝐸−06	9.374𝐸−06	1.3775𝐸−05	0.0000	0.0000	0
3	Bohachevsky3	3.1200𝐸−06	4.6981𝐸−05	2.3093𝐸−07	0.0000	0.0000	0
4	3 hump camel back	1.1739𝐸−06	2.2449𝐸−05	1.7642𝐸−05	3.1395𝐸−19	𝟐.𝟐𝟑𝟐𝟎𝐄−𝟓𝟑	0
5	6 hump camel back	−1.0215	−1.0034	−9.4052𝐸−01	−1.9879𝐸−07	𝟓.𝟗𝟓𝟖𝟗𝐄−𝟐𝟒	−1.03163
6	Easom	−𝟏	−𝟏	−𝟏	−𝟏	−𝟏	−1
7	Matyax	6.2897𝐸−06	1.2684𝐸−05	8.8777𝐸−06	6.6695𝐸−21	𝟏.𝟏𝟐𝟗𝟐𝐄−𝟓𝟓	0
8	Schaffer1	−2.7458	−2.7164	−2.7438	−𝟏	−𝟏	−1
9	Schaffer2	6.2423𝐸−05	4.1422𝐸−04	2.8354𝐸−01	1.5810𝐸−05	𝟏.𝟗𝟑𝟖𝟑𝐄−𝟏𝟒	0
10	Sphere	5.7627𝐸−09	5.5635𝐸−08	4.9195𝐸−07	2.9978𝐸−24	𝟐.𝟖𝟐𝟎𝟓𝐄−𝟓𝟒	0
12	Rosenbrock	1.6773𝐸04	3.7562𝐸04	4.4068𝐸01	𝟐.𝟗𝟎𝟎𝟎𝐄𝟎𝟏	𝟐.𝟗𝟎𝟎𝟎𝐄𝟎𝟏	0
14	Quadric	1.1360𝐸−08	5.8230𝐸−07	4.1551𝐸−08	5.6309𝐸−23	𝟓.𝟗𝟏𝟎𝐄−𝟓𝟐	0
15	Schwefel2.22	6.7400𝐸01	1.7354𝐸01	3.6854𝐸01	5.9410𝐸−08	𝟓.𝟏𝟔𝟕𝟎𝐄−𝟐𝟒	0
16	Griewangk	2.9324𝐸−01	3.2031𝐸−01	6.3912𝐸−05	0.0000	0.0000	0
17	Sumsquare	1.6463𝐸01	2.0516𝐸02	1.8730𝐸02	1.49990𝐸−16	𝟏.𝟑𝟕𝟔𝟓𝐄−𝟒𝟕	0
18	Sinusoidal	−1.1922	−8.3111𝐸−01	−𝟑.𝟑𝟎𝟖𝟕	−3.1032	−3.1030	−3.5
19	Zakharov	2.6634𝐸03	2.3151𝐸03	1.3578𝐸09	2.0954𝐸−15	𝟔.𝟑𝟗𝟔𝟓𝐄−𝟓𝟕	0
20	Step	0.0000	0.0000	0.0000	0.0000	0.0000	0
21	Powell	9.6693𝐸−05	6.8033𝐸−04	5.2392𝐸01	1.2287𝐸−19	𝟏.𝟐𝟐𝟔𝟓𝐄−𝟓𝟒	0
22	ST9	0.0000	0.0000	0.0000	0.0000	0.0000	0
23	ST17	0.0000	0.0000	0.0000	0.0000	0.0000	0
Number of good optimums		4	4	5	11	22

ST9 denotes Storn's Tchebychev 9. ST17 denotes Storn's Tchebychev 17.