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,IMC-PID是利用内模控制原理来对PID参数进行计算，包含优化类的几个简单示例程序。- Monte Carlo simulation method of calculating the American option price and basic descr iption, The IMC- PID is using the internal model control principle for PID parameters is cal