Table 8 CEC 2019 benchmark functions.

From: Improved optimization based on parrot’s chaotic optimizer for solving complex problems in engineering and medical image segmentation

No.

Functions

Dimension

Range

CEC19_F1

Storn’s Chebyshev Polynomial Fitting Problem

9

[–8192, 8192]

CEC19_F2

Inverse Hilbert Matrix Problem

16

[− 16,384, 16,384]

CEC19_F3

Lennard–Jones Minimum Energy Cluster

18

[− 4, 4]

CEC19_F4

Rastrigin’s Function

10

[− 100, 100]

CEC19_F5

Griewangk’s Function

10

[− 100, 100]

CEC19_F6

Weierstrass Function

10

[− 100, 100]

CEC19_F7

Modified Schwefel’s Function

10

[− 100, 100]

CEC19_F8

Expanded Schaffer’s CEC19_F6 Function

10

[− 100, 100]

CEC19_F9

Happy Cat Function

10

[− 100, 100]

CEC19_F10

Ackley Function

10

[− 100, 100]