Question

What is distortion function? Is it convex or non-convex?

Answer 1

Answer:

A non-convex optimization problem is any problem where the objective or any of the constraints are non-convex, as pictured below. Such a problem may have multiple feasible regions and multiple locally optimal points within each region.

Answer 2

heyy buddy

1. Using defination of convex , adds new variables,...

2. Using its derivative or Hessian properties

3. Several geometrical convex properties: combination of convex .

4. By intuition or graph

hope this helps you buddy