Variance exchange process: overcoming the problem of singular information matrices in quadratic three−variable response designs

Many a time, in a variance exchange process looking for D-optimal designs, the initial designs of all quadratic components of three-variable response polynomials produce non-invertible information matrices. For such matrices, the variances of predicted responses at variance points cannot be evaluat...

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Bibliographic Details
Main Authors: Okim Ikpan, Felix Nwobi
Format: Article
Language:English
Published: Institute of Sciences and Technology, University Center Abdelhafid Boussouf, Mila 2024-12-01
Series:Journal of Innovative Applied Mathematics and Computational Sciences
Subjects:
Online Access:https://jiamcs.centre-univ-mila.dz/index.php/jiamcs/article/view/1847
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