gmcalab 快速广义的形态分量分析，一种流形学习算法（很好用），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。- gmcalab fast generalized form component analysis, A fluid manifold learning algorithm (good use), Monte Carlo simulation method of calculating the American option price and basic descr ipt