| 一类准指数序列的模型优化 |
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| 引用本文： | 何童丽,甘建红.一类准指数序列的模型优化[J].数学的实践与认识,2011,41(22). |
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| 作者姓名： | 何童丽 甘建红 |
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| 作者单位： | 1. 成都信息工程学院 数学学院,四川 成都,610225
2. 成都信息工程学院 软件工程学院,四川 成都,610225 |
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| 基金项目： | 成都信息工程学院科研基金(KYTZ201040,CRF201005) |
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| 摘 要： | 在传统GM(1,1)模型基础上,结合最小二乘法原理提出:对本身已具有准指数规律的原始序列直接进行建模,并在此基础上对新模型背景值进行适当优化.克服传统GM(1,1)模型建模过程中的盲目性,并提高了拟合与预测精度.
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| 关 键 词： | 传统GM(1 1)模型 准指数规律 背景值 优化 |
Optimization for a Kind of Quasi-index Sequence Model |
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| HE Tong-li,GAN Jian-hong.Optimization for a Kind of Quasi-index Sequence Model[J].Mathematics in Practice and Theory,2011,41(22). |
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| Authors: | HE Tong-li GAN Jian-hong |
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| Institution: | HE Tong-li~1,GAN Jian-hong~2 (1.College of Mathematics,Chengdu University of Information Technology,Chengdu 610225,China) (2.College of Software Engineering,China) |
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| Abstract: | Basing on the traditional GM(1,1) model and combining the least square method principle,this article present a improved method which directly builds a model with quasi-index rule original sequence,and a suitable optimization in background value of the new model is also mentioned.The present method can overcome the blindness character of the tradition GM(1,1) model,and it can inevitably enhance the accuracy of fitting and prediction. |
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| Keywords: | traditional GM(1 1) model quasi-index sequence background optimization |
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