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Listar por autor "Guerrero Flores, Danny Joel"

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Listar por autor "Guerrero Flores, Danny Joel"

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    On Updating Preconditioners for the Iterative Solution of Linear Systems 
    Guerrero Flores, Danny Joel (Universitat Politècnica de València, 2018-07-02)
    El tema principal de esta tesis es el desarrollo de técnicas de actualización de precondicionadores para resolver sistemas lineales de gran tamaño y dispersos Ax=b mediante el uso de métodos iterativos de Krylov. Se ...
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    Preconditioners for nonsymmetric linear systems with low-rank skew-symmetric part 
    Cerdán Soriano, Juana Mercedes; Guerrero-Flores, Danny Joel; Marín Mateos-Aparicio, José; Mas Marí, José (Elsevier, 2018-12-01)
    [EN] We present a preconditioning technique for solving nonsymmetric linear systems Ax = b, where the coefficient matrix A has a skew-symmetric part that can be well approximated with a skew-symmetric low-rank matrix. The ...
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    Preconditioners for rank deficient least squares problems 
    Cerdán Soriano, Juana Mercedes; Guerrero, D.; Marín Mateos-Aparicio, José; Mas Marí, José (Elsevier, 2020-07)
    [EN] In this paper we present a method for computing sparse preconditioners for iteratively solving rank deficient least squares problems (LS) by the LSMR method. The main idea of the method proposed is to update an ...