灰色分离建模方法的改进 |
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引用本文: | 黄秀花,;田海军.灰色分离建模方法的改进[J].咸阳师范专科学校学报,2014(6):7-10. |
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作者姓名: | 黄秀花 ;田海军 |
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作者单位: | [1]宁夏大学新华学院,宁夏银川750021; [2]宁夏东部热电股份有限公司,宁夏银川750021 |
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基金项目: | 宁夏大学新华学院科研基金项目(13XHKY11) |
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摘 要: | 结合灰色GM(1,1)模型的3种改进方法:平滑原始序列、分离建模、灰色Gompertz模型,提出一种改进的灰色分离建模方法。通过实例和对比分析,证明新的方法能够提高预测精度。
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关 键 词: | 平滑原始序列 分离建模 灰色Gompertz模型 融合函数 |
Improvement on Separated Modeling of Grey Model |
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Institution: | HUANG Xiu-hua, TIAN Hai-jun (1 .Xinhua College, Ningxia University, Yinehuan 750021, Ningxia, China; 2. Ningxia East Thermal Power Co. Ltd, Yinchuan 750021, Ningxia, China) |
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Abstract: | This paper studies improved methods of the grey GM(1,1) model,including smoothing original sequence, separated modeling and Gompertz model. Based on this, separated modeling of grey model is improved, and a more efficient fusion function is given. Using examples and comparative analysis, we illustrate that the new method can improve the prediction of precision. |
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Keywords: | smooth original sequence separate modeling grey Gompertz model fusion function |
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