Infinite matrix transformations on a class of convergent sequence spaces;
一类收敛序列空间上的无穷矩阵变换
Applying the methods of processing approximate entropy and information entropy in the process of returns time series in stock market,several relative aspects charateristics about the main stock market index are obtained.
将处理脑电波近似熵和信息熵的方法应用于对股票市场的收益时间序列的处理,并得到了一些全球主要股票指数的相关特征。