Weapon Selection and Planning Problems Using MOEA/D with Distance-Based Divided Neighborhoods

Figure 3

Illustration of motivation 3: given a solution A, a child solution might be or . If weighted sum approach is used, it is possible that A will be replaced by or . However, A is a nondominated solution, while and are both dominated. If we restrict the replacement in a certain scope, denoted by the gray area, A can be maintained in the population.