Improved Firefly Algorithm: A Novel Method for Optimal Operation of Thermal Generating Units

Table 4

Result comparisons for Case 1.

Method	Best cost ($)	Std. dev. ($)	value	value	value
FA	15445.215	26.815	−6.154	0	0
IFA1	15444.918	18.01	−6.154	0	0
IFA2	15443.076	1.371	−6.154	0	0
IFA3	15443.257	17.163	−6.154	0	0
PSO	15444.447	16.5186	−6.154	0	0
FPA	15443.55	2.9594	−6.154	0	0
DE	15443.5	26.8126	−6.154	0	0
CSA	15444.75	6.5271	−6.154	0	0
IFA	15443.075	0.050