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Preconditioning Methods for Linear Systems with Saddle ...
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由 O Axelsson 著作2002被引用 3 次 — Special consideration is given to two methods: a nearly symmetric block incomplete factorization preconditioning method and an indefinite matrix preconditioner.
Preconditioning Methods for Linear Systems with Saddle ...
Springer
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由 O Axelsson 著作2002被引用 3 次 — Abstract. Preconditioning methods for matrices on saddle point form, as typically arising in constrained optimization problems, are surveyed.
A general class of constraint preconditioners for ...
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由 HY Wu 著作2025 — We propose a general class of constraint preconditioners for solving generalized saddle point linear systems, derived from a general matrix splitting.
Natural preconditioning and iterative methods for saddle ...
University of Strathclyde
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University of Strathclyde
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由 J Pestana 著作2015被引用 88 次 — The solution of quadratic or locally quadratic extremum problems subject to lin- ear(ized) constraints gives rise to linear systems in saddle point form.
21 頁
Validated solution of saddle point linear systems
The Hong Kong Polytechnic University (PolyU)
https://www.polyu.edu.hk › xjchen › SIMAX
The Hong Kong Polytechnic University (PolyU)
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由 T KIMURA 著作被引用 8 次 — The proposed verification method is based on an algebraic analysis of a block diagonal preconditioner and rounding mode controlled computations. Numerical ...
12 頁
Two block preconditioners for a class of double saddle ...
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由 FB Balani 著作2023被引用 9 次 — Two different block preconditioners are introduced and studied for solving a class of double saddle point linear systems.
Natural Preconditioning and Iterative Methods for Saddle ...
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由 J Pestana 著作2015被引用 87 次 — In this paper we consider the solution of linear systems of saddle point type by preconditioned Krylov subspace methods. A preconditioning strategy based on the ...
A Preconditioner for Generalized Saddle Point Problems
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2024年10月22日 — In this paper we consider the solution of linear systems of saddle point type by preconditioned Krylov subspace methods.
some preconditioning techniques for saddle point problems
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由 M Benzi 著作2006被引用 135 次 — In particular we describe some of the most useful preconditioning techniques for Krylov subspace solvers applied to saddle point problems, including block and ...
On preconditioner updates for sequences of saddle-point ...
Sciendo
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Sciendo
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由 V De Simone 著作被引用 2 次 — Updating preconditioners for the solution of sequences of large and sparse saddle- point linear systems via Krylov methods has received increasing attention ...