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Table 9 Comparison of performance for case 1 of Test System 1 of variable head hydrothermal system

From: Opposition-based differential evolution for hydrothermal power system

Techniques

Best cost ($)

Average cost ($)

Worst cost ($)

CPU time (s)

ODE

917199.44

917208.56

917221.37

257.03

DE

918480.03

918494.37

918504.47

256.75

TLBO [16]

922373.39

922462.24

922873.81

-

IPSO [13]

922553.49

-

-

-

MDE [10]

922556.44

-

-

-

IFEP [9]

930129.82

930290.13

930881.92

1033.20

GA [7]

926707.00

-

-

-