Research Article

An Improved Real-Coded Genetic Algorithm Using the Heuristical Normal Distribution and Direction-Based Crossover

Figure 4

Schematic diagrams of the HNDDBX operations in a two-dimensional space under the following three cases: case (a): both parents are in the infeasible region; case (b): one parent is in the feasible region and the other one is in the infeasible region; case (c): both parents are in the feasible region.
(a)
(b)
(c)