fga.m 为遗传算法的主程序 采用二进制Gray编码,采用基于轮盘赌法的非线性排名选择, 均匀交叉,变异操作,而且还引入了倒位操作!-fga.m for the main program of the genetic algorithm　binary Gray code, roulette method based nonlinear ranking selection, uniform crossover, mutation operation, but also the introduction of inversion operation!