| 灰色系统GM(1,1)模型适用范围拓广 |
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| 引用本文： | 李希灿.灰色系统GM(1,1)模型适用范围拓广[J].系统工程理论与实践,1999,19(1):97-101. |
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| 作者姓名： | 李希灿 |
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| 作者单位： | 山东水利专科学校 |
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| 摘 要： | 研究了灰色系统ＧＭ（１，１）模型在建模过程中由于原始数列乘以不等于零的常数对模型值及预测值的影响，得出ＧＭ（１，１）模型完全适用于负数据序列建模的结论．
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| 关 键 词： | 灰色系统 模型 灰色参数 |
Widening of Suitable Limits of Grey System GM(1,1) Model |
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| Li Xican.Widening of Suitable Limits of Grey System GM(1,1) Model[J].Systems Engineering —Theory & Practice,1999,19(1):97-101. |
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| Authors: | Li Xican |
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| Institution: | Shandong Hydraulic Engineering College |
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| Abstract: | In this paper, we study the fact that a constant which multiplies all data in the coarse series would influence the values of model and prediction. The result that GM(1,1) model is suitable to negative data sequence is obtained. |
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| Keywords: | grey system model grey parameters |
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