摘要
研究GM(1,1)模型的理论发现,模型的背景值序列、边值条件和残差的改进能提高模型的模拟预测精度。利用MATLAB软件编制不同背景值和边界条件下的模型优选程序,通过工程实例表明,改进的GM(1,1)模型模拟预测精度较高,适合其在变形预测中应用。
It is found through study on GM（1,1） Model that improved background value sequence,boundary value condition and residual error of the model can improve simulation prediction precision.Model optimization procedure is prepared under different background values and boundary conditions using MATLAB software.It is indicated from engineering example that improved GM（1,1） Model has higher simulation prediction precision,applicable for deformation prediction.
出处
《路基工程》
2010年第4期215-217,共3页
Subgrade Engineering
关键词
GM(1
1)模型
背景值
边值条件
残差模型
预测
GM（1
1） Model
background value
boundary value condition
residual error model
prediction
