说明: 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!-Descr iption: fga.m genetic algorithm for the main program　binary Gray encoding, roulette wheel method based on linear ranking selection, uniform crossover and mutation operators, but also introduces the inversion operation!