中文说明：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!
English Description：
Main program FGA.m genetic algorithm; Use binary Gray code, using nonlinear ranking based on roulette choice uniform crossover and mutation, and also introduced the inverse operation!