AvgAbsCor               Calculate the Average Absolute Correlation
GA                      Genetic Algorithm for LHD
LaPSO                   Particle Swarm Optimization for LHD
MaxAbsCor               Calculate the Maximum Absolute Correlation
MaxProCriterion         Calculate the Maximum Projection Criterion
OA2LHD                  Transfer an Orthogonal Array (OA) into an LHD
OASA                    Orthogonal-Array-Based Simulated Annealing
SA                      Simulated Annealing for LHD
SA2008                  Simulated Annealing for LHD with
                        Multi-objective Optimization Approach
SLHD                    Sliced Latin Hypercube Design (SLHD)
dij                     Calculate the Inter-site Distance
exchange                Exchange two random elements
phi_p                   Calculate the phi_p Criterion
rLHD                    Generate a random Latin Hypercube Design (LHD)
