多目标pso的算法程序，添加了NSGA2的思想，即NSPSO算法。-Multi objective PSO algorithm program, adding the idea of NSPSO, that is, NSGA2 algorithm.

Multi-objective optimization method (NSPSO) Ref: Xiaodong Li (2003) A Non-dominated Sorting Particle Swarm Optimizer for Multiobjective Optimization Benchmark : ZDT1