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Academic Journal
Grey GM(1, 1|sin) power model based on oscillation sequences and its application(基于振荡序列的灰色GM(1,1|sin)幂模型及其应用)
ZENGLiang(曾亮)
Zhejiang Daxue xuebao. Lixue ban, Vol 46, Iss 6, Pp 697-704 (2019)
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Title | Grey GM(1, 1|sin) power model based on oscillation sequences and its application(基于振荡序列的灰色GM(1,1|sin)幂模型及其应用) |
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Authors | ZENGLiang(曾亮) |
Publication Year |
2019
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Source |
Zhejiang Daxue xuebao. Lixue ban, Vol 46, Iss 6, Pp 697-704 (2019)
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Description |
针对现实中普遍存在的振荡序列预测问题,传统灰色模型的预测效果并不理想。为此,在现有灰色GM (1,1|sin)模型基础上,提出了GM(1,1|sin)幂模型,给出了最小二乘准则下的参数计算公式;构建了以平均模拟相对误差最小化为目标的非线性优化模型,利用粒子群优化算法求得最优参数。最后,将新模型应用于城市交通流和高新技术产品出口额模拟预测,并将预测结果与传统GM(1,1)模型、GM(1,1)幂模型和GM(1,1|sin)模型进行了比较,结果表明,新模型具有更高的模拟精度,更适合对振荡序列的预测分析。
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Document Type |
article
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Language |
Chinese
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Publisher Information |
Zhejiang University Press, 2019.
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Subject Terms | |