Description

Test function with multiple global optima based on the definition

f(\mathbf{x}) = ∑_{i = 1}^{4} (i + 1)\cos(i\mathbf{x}_1 + i - 1) ∑_{j = 1}^{4} (j + 1)\cos((j + 2) \mathbf{x}_2 + j + 1)

subject to \mathbf{x}_i \in [-10, 10], i = 1, 2.

Usage

Value

[smoof_single_objective_function]

References

C. Fraley, Software Performances on Nonlinear lems, Technical Report no. STAN-CS-89-1244, Computer Science, Stanford University, 1989.