中文说明：利用matlab中的libsvm工具箱对上证指数进行回归，进而通过模糊信息粒化处理，来预测未来五天上证指数的走势。结果证明，预测具有参考价值。
English Description：
The libsvm toolbox in MATLAB is used to regress the Shanghai stock index, and then the trend of Shanghai stock index in the next five days is predicted through fuzzy information granulation. The results show that the prediction has reference value.