中文说明：写了一个简单的差分进化算法，和遗传算法一样的搜索算法，其性能优于遗传算法。源代码简单易懂，适用于初学该算法。
English Description：
Write a simple differential evolution algorithm, the same search algorithm as genetic algorithm, its performance is better than genetic algorithm. The source code is easy to understand, suitable for beginners to learn the algorithm.