Table 2 Experimental function values among SGDLCO, C2ODE, CORCO, FROFI, and DeCODE on thirteen test problems from CEC2006.

From: Surrogate-assisted global and distributed local collaborative optimization algorithm for expensive constrained optimization problems

Prob.

SGDLCO

C2ODE

CORCO

FROFI

DeCODE

Mean(Std)

Mean(Std)

Mean(Std)

Mean(Std)

Mean(Std)

g01

−1.50E + 01(8.93E-08)

NaN+

−5.22E-01(1.74E + 00)+

NaN+

−1.11E + 00(7.91E-01)+

g02

−4.26E-01(5.14E-02)

−2.01E-01(1.81E-02)+

−1.55E-01(1.67E-02)+

−2.19E-01(1.31E-02)+

−1.85E-01(1.74E-02)+

g04

−3.07E + 04(2.73E-06)

−3.00E + 04(1.93E + 02)+

−2.96E + 04(1.40E + 02)+

−3.01E + 04(1.01E + 02)+

−3.00E + 04(1.70E + 02)+

g06

−6.96E + 03(1.16E-04)

−4.82E + 03(1.25E + 03)+

−4.68E + 03(1.30E + 03)+

−4.72E + 03(1.09E + 03)+

−3.75E + 03(1.01E + 03)+

g07

2.43E + 01(1.04E-05)

2.04E + 03(1.65E + 03)+

1.68E + 02(2.58E + 01)+

1.00E + 03(3.35E + 02)+

NaN+

g08

−7.72E-02(3.06E-02)

−9.02E-02(5.54E-03)~

−6.00E-02(2.90E-02)~

−9.15E-02(4.11E-03)~

−8.63E-02(1.01E-02)~

g09

6.81E + 02(5.65E-02)

1.32E + 03(3.42E + 02)+

5.53E + 04(2.65E + 05)~

1.23E + 03(2.20E + 02)+

1.45E + 03(4.45E + 02)+

g10

7.05E + 03(3.44E-03)

NaN+

NaN+

NaN+

NaN+

g12

−9.94E-01(7.96E-03)

−9.92E-01(6.44E-03)~

−1.00E + 00(4.70E-05)-

−9.90E-01(5.81E-03)~

−9.94E-01(4.79E-03)~

g16

−1.91E + 00(9.02E-10)

−1.35E + 00(1.87E-01)+

−1.12E + 00(0.00E + 00)+

−1.29E + 00(1.55E-01)+

NaN+

g18

−7.82E-01(9.68E-02)

NaN+

NaN+

NaN+

NaN+

g19

3.33E + 01(2.70E-01)

1.55E + 03(6.37E + 02)+

7.94E + 02(5.39E + 02)+

9.88E + 02(2.90E + 02)+

1.15E + 03(3.18E + 02)+

g24

−5.51E + 00(1.21E-10)

−5.38E + 00(7.50E-02)+

−4.97E + 00(3.50E-01)+

−5.38E + 00(5.13E-02)+

−5.32E + 00(1.14E-01)+

+/~/-

Win/Tie/Loss

11/2/0

10/2/1

11/2/0

11/2/0

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