Also known as the the “De Jong function 1”. Convex, continous function calculated via the formula $$f(\mathbf{x}) = \sum_{i=1}^{n} \mathbf{x}_i^2$$ with box-constraings \(\mathbf{x}_i \in [-5.12, 5.12], i = 1, \ldots, n\).
makeSphereFunction(dimensions)[integer(1)]
Size of corresponding parameter space.
[smoof_single_objective_function]
M. A. Schumer, K. Steiglitz, Adaptive Step Size Random Search, IEEE Transactions on Automatic Control. vol. 13, no. 3, pp. 270-276, 1968.