Second continous Bukin function test function. The formula is given by $$f(\mathbf{x}) = 100 \mathbf{x}_2^2 + 0.01 * ||\mathbf{x}_1 +10||$$ and the box constraints \(mathbf{x}_1 \in [-15, 5], \mathbf{x}_2 \in [-3, 3]\).
makeBukinN4Function()[smoof_single_objective_function]
Z. K. Silagadze, Finding Two-Dimesnional Peaks, Physics of Particles and Nuclei Letters, vol. 4, no. 1, pp. 73-80, 2007.