Improved Particle Swarm Optimization with a Collective Local Unimodal Search for Continuous Optimization Problems

Table 8

Comparison between GLSPSO and 𝐿-PSO_CLUS for problems with dimension of 30.

Problem	Ackley		Griewank		Rastrigin		Rosenbrock		Sphere
Algorithm	GLSPSO	𝐿-PSOCLUS	GLSPSO	𝐿-PSOCLUS	GLSPSO	𝐿-PSOCLUS	GLSPSO	𝐿-PSOCLUS	GLSPSO	𝐿-PSOCLUS
Best fitness	2.2784	20.3184	0.0897	0.0000	109.5946	0.1444	175.8785	0.0000	1.9123	0.0000
Mean fitness	2.8398	20.4631	0.1257	0.0000	185.5221	18.7372	218.4976	25.1359	2.7449	0.0000
Worst fitness	3.2952	20.5734	0.2074	0.0000	229.6229	38.8433	259.2466	77.4444	3.9559	0.0000
Std. Dev.	0.2273	0.0615	0.0274	0.0000	24.9829	8.4570	21.8027	13.2536	0.4840	0.0000