利用matlab 做拟合的图表 两个序列进行拟合 并画出拟合后的图和残差 另外作图的过程是每次都取相同的一段数据 且起始点不断往后推-Using matlab to do a chart to fit the proposed merger of two sequences and residual process diagram plotting another draw after fitting is always take the same piece of data and const

利用股票收益计算赫斯特指数，并对赫斯特指数作图。-calculate the Hurst Index using stocks return and plot the Hurst Index

计算股票MACD技术指标的相关函数并作图-Stock Technical indicators MACD computing correlation functions and plotted. . . .