中文说明：在水文序列的突变，趋势、周期，预测未来的过程中。我们可以采用R/S分析法，计算hurst指数的matlab编程的源代码，经证明代码可用，且计算结果良好，推荐给需要的朋友，大家多多交流。
English Description：
In the process of abrupt change, trend, period and future prediction of hydrological series. We can use R / S analysis method to calculate Hurst index of MATLAB programming source code, proved that the code is available, and the calculation results are good, recommended to friends in need, we exchange more.