The pictorial representation of pictorial function is:
The sphere function
The pictorial representation of pictorial function is:
Dimensions: d
The sphere function has d local minima except for the global one. It is continuous, convex, and unimodal. The plot shows its two-dimensional form.
The function is usually evaluated on the xi ∈ [-5.12, 5.12] hypercube, for all i = 1, …, d.