Table 5 The optimization results of GWO_BP, GWO and PSO.

From: Gray wolf optimizer with bubble-net predation for modeling fluidized catalytic cracking unit main fractionator

Test function

GWO_BP

GWO

PSO

\(F_{b}\)

\(\overline{F}\)

\(F_{V}\)

\(F_{b}\)

\(\overline{F}\)

\(F_{V}\)

\(F_{b}\)

\(\overline{F}\)

\(F_{V}\)

\(f_{1}\)

3.39e272

1.34e−201

0

3.54e−31

1.89e−27

5.19e−27

3.19e−6

0.0010256

0.0002591

\(f_{2}\)

1.41e130

2.63e−105

1.44e−104

1.16e−17

8.33e−17

5.15e−17

0.0033293

0.025077

0.025181

\(f_{3}\)

1.47e235

1.04e−175

0

4.29e−8

6.11e−6

8.83e−6

22.5641

76.8104

29.6565

\(f_{4}\)

5.94e125

7.21e−95

3.94e−94

6.49e−8

7.79e−7

9.31e−7

0.73877

1.1871

0.27429

\(f_{5}\)

− 11,029.776

− 11,116.73

5.75e−8

− 6573.7406

− 5906.67

0.41465

− 7792.144

− 5401.569

1395.7081

\(f_{6}\)

0

0

0

0

11.8383

3.5676

33.852

55.271

12.4957

\(f_{7}\)

8.88e16

8.88e−16

0

7.55e−14

1.037e−13

1575e−14

0.0033485

0.29308

0.57525

\(f_{8}\)

0

0

0

0

0.0042187

0.0086354

1.4178e−6

0.0092825

0.008039

\(f_{9}\)

0.00030644

0.0017249

0.005068

0.0003075

0.003824

0.0075286

0.00050106

0.0008804

0.0001414

\(f_{10}\)

− 3.8628

− 3.8628

2.19e−15

− 3.8628

− 3.8628

0.001398

− 3.8628

− 3.8628

2.65e−15

\(f_{11}\)

− 5.0832

− 5.0604

0.019028

− 10.4028

− 10.4012

0.0007519

− 10.4029

− 8.1837

3.0366

\(f_{12}\)

− 10.5364

− 10.5364

3.5134

− 10.536

− 10.2039

1.4811

− 10.5364

− 9.1866

2.569

  1. Significant values are in [bold].