This indicates that the series of prices of Yangtze River electric power stock is a fractal time series and presents obvious long memory.
这表明长江电力股票价格序列是一个分形时间序列，呈现明显的长记忆性特征。
A new probabilistic function for studying the multi-fractal features on the volatility of variance of financial time series is proposed.
提出了一种新的概率函数计算方法，用于研究金融时间序列在方差波动方面的多重分形特征。
After the time series fuzzy fractal processing of the mine gas emission quantity, the non linear relations of the influence factors were combined with BP neural network.
通过对矿井瓦斯涌出量时间序列的模糊分形处理，用BP神经网络对影响因素间的非线性关系进行拟合。
应用推荐