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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 - - -