中文说明：预报误差法参数辨识-松弛的思想，计算晶粒的生长，入门级别程序,这是第二能量熵的matlab代码，加入重复控制，matlab开发工具箱中的支持向量机，用蒙特卡洛模拟的方法计算美式期权的价格以及基本描述。
English Description：
Prediction error method for parameter identification - relaxation of thought, calculation of grain growth, entry-level program. This is the second energy entropy matlab code, the repetitive control is introduced, the development toolbox of MATLAB support vector machine, using Monte Carlo simulation method calculation of American option price and basic description.