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author:

江艺羡 (江艺羡.) [1] | 张岐山 (张岐山.) [2]

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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[k(i-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)(k(i-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 ] 福州大学经济与管理学院,福建福州350116

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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: 0

Page: 306-310

Cited Count:

WoS CC Cited Count:

SCOPUS Cited Count:

ESI Highly Cited Papers on the List: 0 Unfold All

WanFang Cited Count:

Chinese Cited Count: -1

30 Days PV: 3

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