The model which combined Cobb-Douglas production function, multiple regression model and exponential smoothing model can improve the accuracy of fix and forecast by proper weighs.
通过赋予合理权重，将C-D生产函数模型、多元回归模型和指数平滑模型加权组合。
2
In this paper, the usability of multiple-exponential function model in fitting the positron annihilation lifetime spectrum is demonstrated.
在本文中推导了多指数函数模型在正电子湮没寿命谱拟合中的可用性。
3
Quantitative inversion model of soil moisture content was carried out by using the stepwise multiple linear regression and exponential analysis.