Optimal Block Preconditioner for an Efficient Numerical Solution of the Elliptic Optimal Control Problems Using Gmres Solver
DOI10.4208/ijnam2023-1003zbMath1524.49003MaRDI QIDQ6112474
Publication date: 10 July 2023
Published in: International Journal of Numerical Analysis and Modeling (Search for Journal in Brave)
saddle point problempartial differential equations (PDEs)block preconditionersPDE-optimal control problemspreconditioned generalised minimal residual method (PGMRES)
Methods involving semicontinuity and convergence; relaxation (49J45) Finite element, Rayleigh-Ritz and Galerkin methods for initial value and initial-boundary value problems involving PDEs (65M60) Existence theories for optimal control problems involving partial differential equations (49J20) Multigrid methods; domain decomposition for initial value and initial-boundary value problems involving PDEs (65M55) Numerical solution of discretized equations for initial value and initial-boundary value problems involving PDEs (65M22)
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