摘要
本文提出了一类特殊回归模型的Ｄ－最优性的可加性，并给出了应用的例子．
In this paper,an additivity of D-optimality of the special regression models is proposed and an applied example is given.
关键词
回归模型
D-最优性
可加性
regression model
equivalent theorem
homogeneous function
Doptimal design
information matrix
