Table 2 CEC 2019 test functions.

F1

Storn’s Chebyshev polynomial fitting problem

9

[− 8192, 8192]

1

F2

Inverse Hilbert matrix problem

16

[− 16,384, ,16384]

1

F3

Lennard–Jones minimum energy cluster problem

18

[− 4, 4]

1

F4

Shifted and rotated Rastrigin’s function

10

[− 100, 100]

1

F5

Shifted and rotated Griewank’s function

10

[− 100, 100]

1

F6

Shifted and rotated Weierstrass function

10

[− 100, 100]

1

F7

Shifted and rotated Schwefel’s function

10

[− 100, 100]

1

F8

Shifted and rotated expanded Schaffer’s F6 function

10

[− 100, 100]

1

F9

Shifted and rotated happy cat function

10

[− 100, 100]

1

F10

Shifted and rotated ackley function

10

[− 100, 100]

1