Abstract

根據灰色GM(1,1)的建模機理,分析了原灰色GM(1,1)建模參數固有的缺陷,在定理2中證明瞭GM(1,1)新的優化建模初始值,以此構建了新優化的GM(1,1)模型,並與原GM(1,1)及其優化模型進行了建模精度的比較。研究結果表明:新的優化GM(1,1)既適合低增長指數序列建模,也適合高增長指數序列建模,尤其當發展係數大於2時,新的GM(1,1)模型依然能保持非常高的建模精度。

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