Description

Two-dimensional test function based on the formula

f(\mathbf{x}) = (x_1^3 - 3 x_1 x_2^2 - 1)^2 + (3 x_2 x_1^2 - x_2^3)^2

with \mathbf{x}_1, \mathbf{x}_2 \in [-2, 2].

Usage

Value

[smoof_single_objective_function]

References

See http://al-roomi.org/benchmarks/unconstrained/2-dimensions/43-complex-function.