The function is based on the defintion $$f(\mathbf{x}) = 100 (\mathbf{x}_2 - \mathbf{x}_1^2)^2 + (1 - \mathbf{x}_1)^2$$. Box-constraints: \(\mathbf{x}_i \in [-1.2, 1.2]\) for \(i = 1, 2\).
makeLeonFunction()[smoof_single_objective_function]
A. Lavi, T. P. Vogel (eds), Recent Advances in Optimization Techniques, John Wliley & Sons, 1966.