A PRIORI ERROR ESTIMATES FOR LEAST-SQUARES MIXED FINITE ELEMENT APPROXIMATION OF ELLIPTIC OPTIMAL CONTROL PROBLEMS

In this paper, a constrained distributed optimal control problem governed by a first- order elliptic system is considered. Least-squares mixed finite element methods, which are not subject to the Ladyzhenkaya-Babuska-Brezzi consistency condition, are used for solving the elliptic system with two unk...

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Veröffentlicht in:Journal of computational mathematics 2015-03, Vol.33 (2), p.113-127
Hauptverfasser: Fu, Hongfei, Rui, Hongxing
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Sprache:eng
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