Rafael Bru

According to our database, Rafael Bru authored at least 33 papers between 1993 and 2022.

Collaborative distances:

• Dijkstra number of four.
• Erdős number of three.

2022

Combined matrices and conditioning.

Rafael Bru, María T. Gassó, Máximo Santana

Appl. Math. Comput., 2022

2016

Improving the condition number of a simple eigenvalue by a rank one matrix.

Rafael Bru, Rafael Cantó, Ana M. Urbano

Appl. Math. Lett., 2016

2015

The Hadamard Product of a Nonsingular General H-Matrix and Its Inverse Transpose Is Diagonally Dominant.

Rafael Bru, María T. Gassó, Isabel Giménez, José A. Scott

J. Appl. Math., 2015

2014

Preconditioned Iterative Methods for Solving Linear Least Squares Problems.

Rafael Bru, José Marín, José Mas, Miroslav Tuma

SIAM J. Sci. Comput., 2014

Nonnegative Combined Matrices.

Rafael Bru, María T. Gassó, Isabel Giménez, Máximo Santana

J. Appl. Math., 2014

2013

Low-rank update of preconditioners for the nonlinear Richards equation.

Luca Bergamaschi, Rafael Bru, Angeles Martinez, José Mas, Mario Putti

Math. Comput. Model., 2013

2012

Quasi-Newton acceleration of ILU preconditioners for nonlinear two-phase flow equations in porous media.

Luca Bergamaschi, Rafael Bru, Angeles Martinez, Mario Putti

Adv. Eng. Softw., 2012

2011

Low-rank update of preconditioners for the inexact Newton method with SPD Jacobian.

Luca Bergamaschi, Rafael Bru, Angeles Martinez

Math. Comput. Model., 2011

A simple generalization of Geršgorin's theorem.

Ljiljana Cvetkovic, Vladimir Kostic, Rafael Bru, Francisco Pedroche

Adv. Comput. Math., 2011

Preface: numerical and applied linear algebra.

Rafael Bru, Juan Manuel Peña

Adv. Comput. Math., 2011

2010

Improved Balanced Incomplete Factorization.

Rafael Bru, José Marín, José Mas, Miroslav Tuma

SIAM J. Matrix Anal. Appl., 2010

2009

Schur complement of general <i>H</i>-matrices.

Rafael Bru, Cristina Corral, Isabel Giménez, José Mas

Numer. Linear Algebra Appl., 2009

Compartmental model for nitrogen dynamics in citrus orchards.

Wilson A. Contreras, Antonio L. Lidón, Damián Ginestar, Rafael Bru

Math. Comput. Model., 2009

2008

Balanced Incomplete Factorization.

Rafael Bru, José Marín, José Mas, Miroslav Tuma

SIAM J. Sci. Comput., 2008

Modelling the pesticide concentration in a rice field by a level IV fugacity model coupled with a dispersion-advection equation.

Wilson A. Contreras, Damián Ginestar, Lourival C. Paraíba, Rafael Bru

Comput. Math. Appl., 2008

2006

On the Reachability Index of Positive 2-D Systems.

Esteban Bailo, Rafael Bru, Josep Gelonch, Sergio Romero-Vivo

IEEE Trans. Circuits Syst. II Express Briefs, 2006

Stratification and sample size of data sources for agricultural mathematical programming models.

Lucinio Judez, Carolina Chaya, José María de Miguel, Rafael Bru

Math. Comput. Model., 2006

Positive Equilibrium Points of Positive Discrete-Time Systems.

Rafael Bru, Begoña Cantó, Snezhana Kostova, Sergio Romero

Proceedings of the Positive Systems, 2006

2005

Additive Schwarz Iterations for Markov Chains.

Rafael Bru, Francisco Pedroche, Daniel B. Szyld

SIAM J. Matrix Anal. Appl., 2005

2004

Structural properties of positive periodic discrete-time linear systems: canonical forms.

Rafael Bru, Sergio Romero, Elena Sánchez

Appl. Math. Comput., 2004

Gramian matrices and balanced model of generalized systems.

Rafael Bru, Carmen Coll, Néstor Thome

Appl. Math. Comput., 2004

2003

Preconditioning Sparse Nonsymmetric Linear Systems with the Sherman-Morrison Formula.

Rafael Bru, Juana Cerdán, José Marín, José Mas

SIAM J. Sci. Comput., 2003

Some Problems about Structural Properties of Positive Descriptor Systems.

Rafael Bru, Carmen Coll, Sergio Romero-Vivo, Elena Sánchez

Proceedings of the Positive Systems, 2003

2002

Symmetric singular linear control systems.

Rafael Bru, Carmen Coll, Néstor Javier Thome

Appl. Math. Lett., 2002

2001

Compensating periodic descriptor systems.

Rafael Bru, Carmen Coll, Néstor Thome

Syst. Control. Lett., 2001

2000

Output feedback of forward-backward periodic systems stability.

Rafael Bru, Carmen Coll, Vicente Estruch, Elena Sánchez

IEEE Trans. Autom. Control., 2000

Balancing singular discrete-time systems.

Rafael Bru, Carmen Coll, Néstor Thome

Appl. Math. Lett., 2000

1998

On <i>M</i>-multisplittings of singular <i>M</i>-matrices with application to Markov chains.

Rafael Bru, Rafael Cantó, Joan-Josep Climent

Numer. Linear Algebra Appl., 1998

1995

On the Index of Block Upper Triangular Matrices.

Rafael Bru, Joan-Josep Climent, Michael Neumann

SIAM J. Matrix Anal. Appl., 1995

Multisplitting Preconditioners Based on Incomplete Choleski Factorizations.

Rafael Bru, Cristina Corral, A. Martínez, José Mas

SIAM J. Matrix Anal. Appl., 1995

1994

An Algorithm for the Single-Input Pole Assignment Problem.

Rafael Bru, José Mas, Ana M. Urbano

SIAM J. Matrix Anal. Appl., April, 1994

Generalized Bezoutian for a periodic collection of rational matrices.

Carmen Coll, Rafael Bru, Vicente Hernández

Kybernetika, 1994

1993

Overlapping Multisplitting Preconditioners for the Conjugate Gradient Method.

Rafael Bru, Cristina Corral, José Mas

Proceedings of the Sixth SIAM Conference on Parallel Processing for Scientific Computing, 1993