The Sum Squares function, also referred to as the Axis Parallel Hyper-Ellipsoid function, has no local minimum except the global one. It is continuous, convex and unimodal.

Description: Dimensions: d The Sum of Different Powers function is unimodal. It is shown here in its two-dimensional form. Input Domain: The function is usually evaluated on the hypercube x i ∈ [-1, 1 ...