可直接计算得到多重分形谱,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,用于特征降维，特征融合，相关分析等。- It can be directly calculated multi-fractal spectrum, Monte Carlo simulation method of calculating the American option price and basic descr iption, For feature reduction, feature fusion, cor