Jennifer A. Scott

Numer. Algorithms, August, 2024

Avoiding Breakdown in Incomplete Factorizations in Low Precision Arithmetic.

[BibT_eX]

[DOI]

ACM Trans. Math. Softw., June, 2024

A note on incomplete Cholesky factorizations in half precision arithmetic.

[BibT_eX]

[DOI]

CoRR, 2024

2022

A Computational Study of Using Black-box QR Solvers for Large-scale Sparse-dense Linear Least Squares Problems.

[BibT_eX]

[DOI]

ACM Trans. Math. Softw., 2022

A Robust Algebraic Domain Decomposition Preconditioner for Sparse Normal Equations.

[BibT_eX]

[DOI]

Hussam Al Daas

Pierre Jolivet

SIAM J. Sci. Comput., 2022

A null-space approach for large-scale symmetric saddle point systems with a small and non zero (2, 2) block.

[BibT_eX]

[DOI]

Numer. Algorithms, 2022

2021

Strengths and Limitations of Stretching for Least-squares Problems with Some Dense Rows.

[BibT_eX]

[DOI]

ACM Trans. Math. Softw., 2021

Two-Level Nyström-Schur Preconditioner for Sparse Symmetric Positive Definite Matrices.

[BibT_eX]

[DOI]

Hussam Al Daas

Tyrone Rees

SIAM J. Sci. Comput., 2021

Solving large linear least squares with linear equality constraints.

[BibT_eX]

[DOI]

CoRR, 2021

On preconditioning the state formulation of incremental weak constraint 4D-Var.

[BibT_eX]

[DOI]

Ieva Dauzickaite

Amos S. Lawless

Peter Jan van Leeuwen

CoRR, 2021

Randomised preconditioning for the forcing formulation of weak constraint 4D-Var.

[BibT_eX]

[DOI]

Ieva Dauzickaite

Amos S. Lawless

Peter Jan van Leeuwen

CoRR, 2021

2020

Spectral estimates for saddle point matrices arising in weak constraint four-dimensional variational data assimilation.

[BibT_eX]

[DOI]

Ieva Dauzickaite

Amos S. Lawless

Peter Jan van Leeuwen

Numer. Linear Algebra Appl., 2020

2019

Sparse Stretching for Solving Sparse-Dense Linear Least-Squares Problems.

[BibT_eX]

[DOI]

SIAM J. Sci. Comput., 2019

Convergence and evaluation-complexity analysis of a regularized tensor-Newton method for solving nonlinear least-squares problems.

[BibT_eX]

[DOI]

Tyrone Rees

Comput. Optim. Appl., 2019

2018

A Max-Plus Approach to Incomplete Cholesky Factorization Preconditioners.

[BibT_eX]

[DOI]

SIAM J. Sci. Comput., 2018

A comparative study of null-space factorizations for sparse symmetric saddle point systems.

[BibT_eX]

[DOI]

Tyrone Rees

Numer. Linear Algebra Appl., 2018

Preordering saddle-point systems for sparse LDLT factorization without pivoting.

[BibT_eX]

[DOI]

Sangye Lungten

Wil H. A. Schilders

Numer. Linear Algebra Appl., 2018

A Schur complement approach to preconditioning sparse linear least-squares problems with some dense rows.

[BibT_eX]

[DOI]

Numer. Algorithms, 2018

Using Jacobi iterations and blocking for solving sparse triangular systems in incomplete factorization preconditioning.

[BibT_eX]

[DOI]

J. Parallel Distributed Comput., 2018

2017

Numerically Aware Orderings for Sparse Symmetric Indefinite Linear Systems.

[BibT_eX]

[DOI]

Sue Thorne

ACM Trans. Math. Softw., 2017

The State-of-the-Art of Preconditioners for Sparse Linear Least-Squares Problems.

[BibT_eX]

[DOI]

ACM Trans. Math. Softw., 2017

Solving Mixed Sparse-Dense Linear Least-Squares Problems by Preconditioned Iterative Methods.

[BibT_eX]

[DOI]

SIAM J. Sci. Comput., 2017

On Using Cholesky-Based Factorizations and Regularization for Solving Rank-Deficient Sparse Linear Least-Squares Problems.

[BibT_eX]

[DOI]

SIAM J. Sci. Comput., 2017

Improving the stability and robustness of incomplete symmetric indefinite factorization preconditioners.

[BibT_eX]

[DOI]

Numer. Linear Algebra Appl., 2017

2016

A Sparse Symmetric Indefinite Direct Solver for GPU Architectures.

[BibT_eX]

[DOI]

Evgueni E. Ovtchinnikov

ACM Trans. Math. Softw., 2016

A Note on Performance Profiles for Benchmarking Software.

[BibT_eX]

[DOI]

ACM Trans. Math. Softw., 2016

Preconditioning of Linear Least Squares by Robust Incomplete Factorization for Implicitly Held Normal Equations.

[BibT_eX]

[DOI]

SIAM J. Sci. Comput., 2016

2015

On the use of suboptimal matchings for scaling and ordering sparse symmetric matrices.

[BibT_eX]

[DOI]

Numer. Linear Algebra Appl., 2015

2014

HSL_MI28: An Efficient and Robust Limited-Memory Incomplete Cholesky Factorization Code.

[BibT_eX]

[DOI]

ACM Trans. Math. Softw., 2014

On Signed Incomplete Cholesky Factorization Preconditioners for Saddle-Point Systems.

[BibT_eX]

[DOI]

SIAM J. Sci. Comput., 2014

On Positive Semidefinite Modification Schemes for Incomplete Cholesky Factorization.

[BibT_eX]

[DOI]

SIAM J. Sci. Comput., 2014

Compressed Threshold Pivoting for Sparse Symmetric Indefinite Systems.

[BibT_eX]

[DOI]

SIAM J. Matrix Anal. Appl., 2014

Level-based heuristics and hill climbing for the antibandwidth maximization problem.

[BibT_eX]

[DOI]

Numer. Linear Algebra Appl., 2014

Chebyshev acceleration of iterative refinement.

[BibT_eX]

[DOI]

Mario Arioli

Numer. Algorithms, 2014

2013

Pivoting strategies for tough sparse indefinite systems.

[BibT_eX]

[DOI]

ACM Trans. Math. Softw., 2013

Optimal Weighted Matchings for Rank-Deficient Sparse Matrices.

[BibT_eX]

[DOI]

SIAM J. Matrix Anal. Appl., 2013

An efficient analyse phase for element problems.

[BibT_eX]

[DOI]

Numer. Linear Algebra Appl., 2013

On the effects of scaling on the performance of Ipopt

[BibT_eX]

[DOI]

CoRR, 2013

New Parallel Sparse Direct Solvers for Multicore Architectures.

[BibT_eX]

[DOI]

Algorithms, 2013

2011

Partial factorization of a dense symmetric indefinite matrix.

[BibT_eX]

[DOI]

ACM Trans. Math. Softw., 2011

2010

Scaling and pivoting in an out-of-core sparse direct solver.

[BibT_eX]

[DOI]

ACM Trans. Math. Softw., 2010

A fast and robust mixed-precision solver for the solution of sparse symmetric linear systems.

[BibT_eX]

[DOI]

ACM Trans. Math. Softw., 2010

Design of a Multicore Sparse Cholesky Factorization Using DAGs.

[BibT_eX]

[DOI]

SIAM J. Sci. Comput., 2010

A note on fast approximate minimum degree orderings for symmetric matrices with some dense rows.

[BibT_eX]

[DOI]

H. Sue Dollar

Numer. Linear Algebra Appl., 2010

2009

An out-of-core sparse Cholesky solver.

[BibT_eX]

[DOI]

ACM Trans. Math. Softw., 2009

Algorithm 891: A fortran virtual memory system.

[BibT_eX]

[DOI]

ACM Trans. Math. Softw., 2009

2007

Experiences of sparse direct symmetric solvers.

[BibT_eX]

[DOI]

ACM Trans. Math. Softw., 2007

A numerical evaluation of sparse direct solvers for the solution of large sparse symmetric linear systems of equations.

[BibT_eX]

[DOI]

ACM Trans. Math. Softw., 2007

2006

Reducing the Total Bandwidth of a Sparse Unsymmetric Matrix.

[BibT_eX]

[DOI]

SIAM J. Matrix Anal. Appl., 2006

The Design of a New Out-of-Core Multifrontal Solver.

[BibT_eX]

[DOI]

Proceedings of the Applied Parallel Computing. State of the Art in Scientific Computing, 2006

2005

Stabilized bordered block diagonal forms for parallel sparse solvers.

[BibT_eX]

[DOI]

Parallel Comput., 2005

Ordering techniques for singly bordered block diagonal forms for unsymmetric parallel sparse direct solvers.

[BibT_eX]

[DOI]

Numer. Linear Algebra Appl., 2005

2004

A numerical evaluation of HSL packages for the direct solution of large sparse, symmetric linear systems of equations.

[BibT_eX]

[DOI]

ACM Trans. Math. Softw., 2004

A parallel direct solver for large sparse highly unsymmetric linear systems.

[BibT_eX]

[DOI]

ACM Trans. Math. Softw., 2004

An Evaluation of Sparse Direct Symmetric Solvers: An Introduction and Preliminary Findings.

[BibT_eX]

[DOI]

Proceedings of the Applied Parallel Computing, 2004

2003

Parallel frontal solvers for large sparse linear systems.

[BibT_eX]

[DOI]

ACM Trans. Math. Softw., 2003

2002

Implementing Hager's exchange methods for matrix profile reduction.

[BibT_eX]

[DOI]

ACM Trans. Math. Softw., 2002

2001

A Multilevel Algorithm for Wavefront Reduction.

[BibT_eX]

[DOI]

SIAM J. Sci. Comput., 2001

Reversing the row order for the row-by-row frontal method.

[BibT_eX]

[DOI]

Numer. Linear Algebra Appl., 2001

1999

A frontal code for the solution of sparse positive-definite symmetric systems arising from finite-element applications.

[BibT_eX]

[DOI]

ACM Trans. Math. Softw., 1999

A new row ordering strategy for frontal solvers.

[BibT_eX]

[DOI]

Numer. Linear Algebra Appl., 1999

1998

Sparse Approximate-Inverse Preconditioners Using Norm-Minimization Techniques.

[BibT_eX]

[DOI]

SIAM J. Sci. Comput., 1998

1996

The Design of a New Frontal Code for Solving Sparse, Unsymmetric Systems.

[BibT_eX]

[DOI]

ACM Trans. Math. Softw., 1996

Frontal Software for the Solution of Sparse Linear Equations.

[BibT_eX]

[DOI]

Proceedings of the Applied Parallel Computing, 1996

1995

An Arnoldi Code for Computing Selected Eigenvalues of Sparse, Real, Unsymmetric Matrices.

[BibT_eX]

[DOI]

ACM Trans. Math. Softw., 1995

1993

Computing Selected Eigenvalues of Sparse Unsymmetric Matrices Using Subspace Iteration.

[BibT_eX]

[DOI]