The Rotated Hyper-Ellipsoid function is continuous, convex and unimodal. It is an extension of the Axis Parallel Hyper-Ellipsoid function, also referred to as the Sum Squares function. The plot shows ...

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. It is shown here in its two ...

It is an extremely important issue for media planners. Single-source analysis has delivered an empirical generalization (EG): the immediate advertising sales-response function is convex, which means ...