A.A.Lorencs. Multidimensional Observation Plans Inducing Nondegeneracy of Information Matrixes of Regression Models. Automatic Control and Computer Sciences, 2010, Vol.44, No.2, pp.69-77.
Linear regression models for the response, which depends on several controlled variables, are considered. The method of constructing such a plan of observations that provides the nondegeneracy of the information matrix of the regression model is substantiated.