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Optimality of Spring Balance Weighing Designs

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Graczyk M., Poznań University of Life Sciences D. o. M. a. S. M.
Acta Universitatis Lodziensis. Folia Oeconomica
|
2013
|
vol. 285
EN
In this paper, the problem of existence of optimal spring balance weighing designs is discussed. Two optimality criterions are compared and the appropriate optimality conditions are presented.
PL
W pracy przedstawiono zagadnienie A- i D-optymalności sprężynowego układu wagowego. Rozważania teoretyczne zostały zobrazowane przykładem konstrukcji macierzy układu w oparciu o macierze incydencji układów zrównoważonych o blokach niekompletnych.
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Some Construction of Regular A-Optimal Spring Balance Weighing Designs for Even Number of Objects

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Graczyk M., Uniwersytet Przyrodniczy w Poznaniu; Wydział Rolnictwa i Bioinżynierii; Katedra Metod Matematycznych i Statystycznych
Acta Universitatis Lodziensis. Folia Oeconomica
|
2012
|
vol. 269
EN
In the paper, the problem of construction of the spring balance weighing designs satisfying the criterion of A-optimality is discussed. The incidence matrices of the partially incomplete block designs are used for constructing the regular A-optimal spring balance weighing design
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