Abstract
In the paper, we discuss error estimation methods for optimal control problems with distributed control functions entering the right-hand side of the corresponding elliptic state equations. Our analysis is based on a posteriori error estimates of the functional type, which were derived in the last decade for many boundary value problems. They provide guaranteed two-sided bounds of approximation errors for any conforming approximation. If they are applied to approximate solutions of state equations, then we obtain new variational formulations of optimal control problems and guaranteed bounds of the cost functional. Moreover, for problems with linear state equations this procedure leads to guaranteed and computable error estimates for the state and control functions.
Mathematics Subject Classification (2010). Primary 65K15; Secondary 49M99, 65K15.
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Neittaanmäki, P., Repin, S. (2014). Two-Sided Guaranteed Estimates of the Cost Functional for Optimal Control Problems with Elliptic State Equations. In: Hoppe, R. (eds) Optimization with PDE Constraints. Lecture Notes in Computational Science and Engineering, vol 101. Springer, Cham. https://doi.org/10.1007/978-3-319-08025-3_10
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DOI: https://doi.org/10.1007/978-3-319-08025-3_10
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