Found 21 Documents (Results 1–21)
Robust PRESB preconditioning of a 3-dimensional space-time finite element method for parabolic problems. (English) Zbl 1541.65096
Convergence analysis and optimization of a Robin Schwarz waveform relaxation method for time-periodic parabolic optimal control problems. (English) Zbl 07807983
Iterative solution methods for 3D controlled-source electromagnetic forward modelling of geophysical exploration scenarios. (English) Zbl 1504.86027
Exact inverse solution techniques for a class of complex valued block two-by-two linear systems. (English) Zbl 1490.65051
An exact Schur complement method for time-harmonic optimal control problems. (English) Zbl 1487.49002
Lirkov, Ivan (ed.) et al., Large-scale scientific computing. 13th international conference, LSSC 2021, Sozopol, Bulgaria, June 7–11, 2021. Revised selected papers. Cham: Springer. Lect. Notes Comput. Sci. 13127, 91-100 (2022).
Efficient iteration methods for complex systems with an indefinite matrix term. (English) Zbl 1483.65050
A new iterative method for solving a class of two-by-two block complex linear systems. (English) Zbl 07420288
Applications of the PRESB preconditioning method for OPT-PDE problems. (English) Zbl 1470.65191
Vermolen, Fred J. (ed.) et al., Numerical mathematics and advanced applications. ENUMATH 2019. Proceedings of the European conference, Egmond aan Zee, The Netherlands, September 30 – October 4, 2019. Cham: Springer. Lect. Notes Comput. Sci. Eng. 139, 73-81 (2021).
Robust preconditioning techniques for multiharmonic finite element method with application to time-periodic parabolic optimal control problems. (English) Zbl 07400549
Respectively scaled splitting iteration method for a class of block 4-by-4 linear systems from eddy current electromagnetic problems. (English) Zbl 1472.65042
A new iterative method for solving the systems arisen from finite element discretization of a time-harmonic parabolic optimal control problems. (English) Zbl 1540.65356
A survey of optimal control problems for PDEs. (English) Zbl 1446.65159
Dimov, Ivan (ed.) et al., Advances in high performance computing. Results of the international conference on high performance computing, Borovets, Bulgaria, September 2–6, 2019. Cham: Springer. Stud. Comput. Intell. 902, 376-390 (2021).
Superior properties of the PRESB preconditioner for operators on two-by-two block form with square blocks. (English) Zbl 1451.65025
Guaranteed lower bounds for cost functionals of time-periodic parabolic optimization problems. (English) Zbl 1447.49051
Optimality properties of a square block matrix preconditioner with applications. (English) Zbl 1451.65026
An introduction and summary of use of optimal control methods for PDE’s. (English) Zbl 07223036
Lirkov, Ivan (ed.) et al., Large-scale scientific computing. 12th international conference, LSSC 2019, Sozopol, Bulgaria, June 10–14, 2019. Revised selected papers. Cham: Springer. Lect. Notes Comput. Sci. 11958, 275-283 (2020).
MSC:
65-XX
Efficient iterative solvers for a complex valued two-by-two block linear system with application to parabolic optimal control problems. (English) Zbl 1433.65047
Parameter modified versions of preconditioning and iterative inner product free refinement methods for two-by-two block matrices. (English) Zbl 1425.65047
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