In view of the uncertainty of indexes for evaluating water quality the entropy value theory is applied to combine with fuzzy matter-element method to establish an entropy fuzzy matter-element model.
鉴于水质评价中各指标的不确定性和模糊性,将熵值理论与模糊物元建模相结合,应用于水质综合评价中,建立了基于熵权的模糊物元模型。
The coefficients of weight in this model are derived from the avail value of data reflecting the information entropy, by this method the problem of weight allocation can be avoided.
引用信息熵所反映数据本身的效用值来计算指标的权重系数,有效地避免了权重分配困难的问题。
The entropy model performs well in sorting stocks based on the entropy value comparing with other methods as well.
与其它风险度量方法相比较,熵模型在股票依据风险值排序方面也具有不可比拟的优势。
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