使用粒子群算法和遗传算法求取简单函数的极值，代码将两个算法糅在一起写的，遗传算法又含有二进制码和格雷码编码方式。-The use of particle swarm optimization and genetic algorithm to strike a simple function of the extreme, the code will be melted together to write two algorithms, genetic algorithms and contains the binary code and Gray code encoding.