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author:

江艺羡 (江艺羡.) [1] | 张岐山 (张岐山.) [2] (Scholars:张岐山)

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Abstract:

根据模型的指数特性以及积分特点,以数据曲线在每个区间[ki-1,ki]与坐标轴所围成的梯形面积作为模型背景值z(1)(ki)与z(1)(ki-1)的差值,并对其进行修正,从而达到对传统非等间距GM(1,1)模型进行优化的目的.最后采用实例进行验证,并将结果同其他文献的拟合精度进行对比,从而验证算法的有效性与可行性.

Keyword:

GM(1,1)模型 参数优化 背景值 非等间距

Community:

  • [ 1 ] [江艺羡]福州大学
  • [ 2 ] [张岐山]福州大学

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Source :

福州大学学报(自然科学版)

ISSN: 1000-2243

CN: 35-1337/N

Year: 2016

Issue: 3

Volume: 44

Page: 306-310,314

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ESI Highly Cited Papers on the List: 0 Unfold All

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30 Days PV: 2

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