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,仿真效率很高的，用谱方法计算流体力学一些流动现象的整体稳定性。- Monte Carlo simulation method of calculating the American option price and basic descr iption, High simulation efficiency, Spectral methods of computational fluid dynamics flow of some of the