Jennifer A. Scott

Publication Activity (10 Years)

Years Active: 1993-2024
Publications (10 Years): 30

Top Topics

Iterative Refinement

Solving Nonlinear

Linear Least Squares

Symmetric Matrices

Top Venues

SIAM J. Sci. Comput.

ACM Trans. Math. Softw.

Numer. Linear Algebra Appl.

Publications

Jaroslav M. Fowkes, Nicholas I. M. Gould, Jennifer A. Scott
Approximating sparse Hessian matrices using large-scale linear least squares. Numer. Algorithms 96 (4) (2024)
Jennifer A. Scott, Miroslav Tuma
Avoiding breakdown in incomplete factorizations in low precision arithmetic. CoRR (2024)
Jennifer A. Scott, Miroslav Tuma
A note on incomplete Cholesky factorizations in half precision arithmetic. CoRR (2024)
Jennifer A. Scott, Miroslav Tuma
A null-space approach for large-scale symmetric saddle point systems with a small and non zero (2, 2) block. Numer. Algorithms 90 (4) (2022)
Jennifer A. Scott, Miroslav Tuma
A Computational Study of Using Black-box QR Solvers for Large-scale Sparse-dense Linear Least Squares Problems. ACM Trans. Math. Softw. 48 (1) (2022)
Hussam Al Daas, Pierre Jolivet, Jennifer A. Scott
A Robust Algebraic Domain Decomposition Preconditioner for Sparse Normal Equations. SIAM J. Sci. Comput. 44 (3) (2022)
Jennifer A. Scott, Miroslav Tuma
Strengths and Limitations of Stretching for Least-squares Problems with Some Dense Rows. ACM Trans. Math. Softw. 47 (1) (2021)
Hussam Al Daas, Tyrone Rees, Jennifer A. Scott
Two-Level Nyström-Schur Preconditioner for Sparse Symmetric Positive Definite Matrices. SIAM J. Sci. Comput. 43 (6) (2021)
Hussam Al Daas, Pierre Jolivet, Jennifer A. Scott
A Robust Algebraic Domain Decomposition Preconditioner for Sparse Normal Equations. CoRR (2021)
Ieva Dauzickaite, Amos S. Lawless, Jennifer A. Scott, Peter Jan van Leeuwen
Randomised preconditioning for the forcing formulation of weak constraint 4D-Var. CoRR (2021)
Ieva Dauzickaite, Amos S. Lawless, Jennifer A. Scott, Peter Jan van Leeuwen
On preconditioning the state formulation of incremental weak constraint 4D-Var. CoRR (2021)
Jennifer A. Scott, Miroslav Tuma
Solving large linear least squares with linear equality constraints. CoRR (2021)
Hussam Al Daas, Tyrone Rees, Jennifer A. Scott
Two-level Nyström-Schur preconditioner for sparse symmetric positive definite matrices. CoRR (2021)
Ieva Dauzickaite, Amos S. Lawless, Jennifer A. Scott, Peter Jan van Leeuwen
Spectral estimates for saddle point matrices arising in weak constraint four-dimensional variational data assimilation. Numer. Linear Algebra Appl. 27 (5) (2020)
Nicholas I. M. Gould, Tyrone Rees, Jennifer A. Scott
Convergence and evaluation-complexity analysis of a regularized tensor-Newton method for solving nonlinear least-squares problems. Comput. Optim. Appl. 73 (1) (2019)
Jennifer A. Scott, Miroslav Tuma
Sparse Stretching for Solving Sparse-Dense Linear Least-Squares Problems. SIAM J. Sci. Comput. 41 (3) (2019)
Ieva Dauzickaite, Amos S. Lawless, Jennifer A. Scott, Peter Jan van Leeuwen
Spectral estimates for saddle point matrices arising in weak constraint four-dimensional variational data assimilation. CoRR (2019)
James L. Hook, Jennifer A. Scott, Françoise Tisseur, Jonathan D. Hogg
A Max-Plus Approach to Incomplete Cholesky Factorization Preconditioners. SIAM J. Sci. Comput. 40 (4) (2018)
Edmond Chow, Hartwig Anzt, Jennifer A. Scott, Jack J. Dongarra
Using Jacobi iterations and blocking for solving sparse triangular systems in incomplete factorization preconditioning. J. Parallel Distributed Comput. 119 (2018)
Tyrone Rees, Jennifer A. Scott
A comparative study of null-space factorizations for sparse symmetric saddle point systems. Numer. Linear Algebra Appl. 25 (1) (2018)
Jennifer A. Scott, Miroslav Tuma
A Schur complement approach to preconditioning sparse linear least-squares problems with some dense rows. Numer. Algorithms 79 (4) (2018)
Sangye Lungten, Wil H. A. Schilders, Jennifer A. Scott
Preordering saddle-point systems for sparse LDLT factorization without pivoting. Numer. Linear Algebra Appl. 25 (5) (2018)
Nicholas I. M. Gould, Jennifer A. Scott
The State-of-the-Art of Preconditioners for Sparse Linear Least-Squares Problems. ACM Trans. Math. Softw. 43 (4) (2017)
Jennifer A. Scott, Miroslav Tuma
Solving Mixed Sparse-Dense Linear Least-Squares Problems by Preconditioned Iterative Methods. SIAM J. Sci. Comput. 39 (6) (2017)
Jennifer A. Scott, Miroslav Tuma
Improving the stability and robustness of incomplete symmetric indefinite factorization preconditioners. Numer. Linear Algebra Appl. 24 (5) (2017)
Jonathan D. Hogg, Jennifer A. Scott, Sue Thorne
Numerically Aware Orderings for Sparse Symmetric Indefinite Linear Systems. ACM Trans. Math. Softw. 44 (2) (2017)
Nicholas I. M. Gould, Jennifer A. Scott
A Note on Performance Profiles for Benchmarking Software. ACM Trans. Math. Softw. 43 (2) (2016)
Jennifer A. Scott, Miroslav Tuma
Preconditioning of Linear Least Squares by Robust Incomplete Factorization for Implicitly Held Normal Equations. SIAM J. Sci. Comput. 38 (6) (2016)
Jonathan D. Hogg, Evgueni E. Ovtchinnikov, Jennifer A. Scott
A Sparse Symmetric Indefinite Direct Solver for GPU Architectures. ACM Trans. Math. Softw. 42 (1) (2016)
Jonathan D. Hogg, Jennifer A. Scott
On the use of suboptimal matchings for scaling and ordering sparse symmetric matrices. Numer. Linear Algebra Appl. 22 (4) (2015)
Jennifer A. Scott, Miroslav Tuma
On Positive Semidefinite Modification Schemes for Incomplete Cholesky Factorization. SIAM J. Sci. Comput. 36 (2) (2014)
Jennifer A. Scott, Miroslav Tuma
HSL_MI28: An Efficient and Robust Limited-Memory Incomplete Cholesky Factorization Code. ACM Trans. Math. Softw. 40 (4) (2014)
Mario Arioli, Jennifer A. Scott
Chebyshev acceleration of iterative refinement. Numer. Algorithms 66 (3) (2014)
Jennifer A. Scott, Yifan Hu
Level-based heuristics and hill climbing for the antibandwidth maximization problem. Numer. Linear Algebra Appl. 21 (1) (2014)
Jennifer A. Scott, Miroslav Tuma
On Signed Incomplete Cholesky Factorization Preconditioners for Saddle-Point Systems. SIAM J. Sci. Comput. 36 (6) (2014)
Jonathan D. Hogg, Jennifer A. Scott
Compressed Threshold Pivoting for Sparse Symmetric Indefinite Systems. SIAM J. Matrix Anal. Appl. 35 (2) (2014)
Jonathan D. Hogg, Jennifer A. Scott
Pivoting strategies for tough sparse indefinite systems. ACM Trans. Math. Softw. 40 (1) (2013)
Jonathan D. Hogg, Jennifer A. Scott
On the effects of scaling on the performance of Ipopt CoRR (2013)
Jonathan D. Hogg, Jennifer A. Scott
Optimal Weighted Matchings for Rank-Deficient Sparse Matrices. SIAM J. Matrix Anal. Appl. 34 (4) (2013)
Jonathan D. Hogg, Jennifer A. Scott
New Parallel Sparse Direct Solvers for Multicore Architectures. Algorithms 6 (4) (2013)
Jonathan D. Hogg, Jennifer A. Scott
Compressed threshold pivoting for sparse symmetric indefinite systems CoRR (2013)
Jonathan D. Hogg, Jennifer A. Scott
An efficient analyse phase for element problems. Numer. Linear Algebra Appl. 20 (3) (2013)
John K. Reid, Jennifer A. Scott
Partial factorization of a dense symmetric indefinite matrix. ACM Trans. Math. Softw. 38 (2) (2011)
H. Sue Dollar, Jennifer A. Scott
A note on fast approximate minimum degree orderings for symmetric matrices with some dense rows. Numer. Linear Algebra Appl. 17 (1) (2010)
Jonathan D. Hogg, Jennifer A. Scott
A fast and robust mixed-precision solver for the solution of sparse symmetric linear systems. ACM Trans. Math. Softw. 37 (2) (2010)
Jennifer A. Scott
Scaling and pivoting in an out-of-core sparse direct solver. ACM Trans. Math. Softw. 37 (2) (2010)
Jonathan D. Hogg, John K. Reid, Jennifer A. Scott
Design of a Multicore Sparse Cholesky Factorization Using DAGs. SIAM J. Sci. Comput. 32 (6) (2010)
John K. Reid, Jennifer A. Scott
An out-of-core sparse Cholesky solver. ACM Trans. Math. Softw. 36 (2) (2009)
John K. Reid, Jennifer A. Scott
Algorithm 891: A fortran virtual memory system. ACM Trans. Math. Softw. 36 (1) (2009)
Jennifer A. Scott, Yifan Hu
Experiences of sparse direct symmetric solvers. ACM Trans. Math. Softw. 33 (3) (2007)
Nicholas I. M. Gould, Jennifer A. Scott, Yifan Hu
A numerical evaluation of sparse direct solvers for the solution of large sparse symmetric linear systems of equations. ACM Trans. Math. Softw. 33 (2) (2007)
John K. Reid, Jennifer A. Scott
Reducing the Total Bandwidth of a Sparse Unsymmetric Matrix. SIAM J. Matrix Anal. Appl. 28 (3) (2006)
John K. Reid, Jennifer A. Scott
The Design of a New Out-of-Core Multifrontal Solver. PARA (2006)
Yifan Hu, Jennifer A. Scott
Ordering techniques for singly bordered block diagonal forms for unsymmetric parallel sparse direct solvers. Numer. Linear Algebra Appl. 12 (9) (2005)
Iain S. Duff, Jennifer A. Scott
Stabilized bordered block diagonal forms for parallel sparse solvers. Parallel Comput. 31 (3-4) (2005)
Nicholas I. M. Gould, Jennifer A. Scott
A numerical evaluation of HSL packages for the direct solution of large sparse, symmetric linear systems of equations. ACM Trans. Math. Softw. 30 (3) (2004)
Jennifer A. Scott, Yifan Hu, Nicholas I. M. Gould
An Evaluation of Sparse Direct Symmetric Solvers: An Introduction and Preliminary Findings. PARA (2004)
Iain S. Duff, Jennifer A. Scott
A parallel direct solver for large sparse highly unsymmetric linear systems. ACM Trans. Math. Softw. 30 (2) (2004)
Jennifer A. Scott
Parallel frontal solvers for large sparse linear systems. ACM Trans. Math. Softw. 29 (4) (2003)
John K. Reid, Jennifer A. Scott
Implementing Hager's exchange methods for matrix profile reduction. ACM Trans. Math. Softw. 28 (4) (2002)
Yifan Hu, Jennifer A. Scott
A Multilevel Algorithm for Wavefront Reduction. SIAM J. Sci. Comput. 23 (4) (2001)
John K. Reid, Jennifer A. Scott
Reversing the row order for the row-by-row frontal method. Numer. Linear Algebra Appl. 8 (1) (2001)
Iain S. Duff, Jennifer A. Scott
A frontal code for the solution of sparse positive-definite symmetric systems arising from finite-element applications. ACM Trans. Math. Softw. 25 (4) (1999)
Jennifer A. Scott
A new row ordering strategy for frontal solvers. Numer. Linear Algebra Appl. 6 (3) (1999)
Nicholas I. M. Gould, Jennifer A. Scott
Sparse Approximate-Inverse Preconditioners Using Norm-Minimization Techniques. SIAM J. Sci. Comput. 19 (2) (1998)
Iain S. Duff, Jennifer A. Scott
The Design of a New Frontal Code for Solving Sparse, Unsymmetric Systems. ACM Trans. Math. Softw. 22 (1) (1996)
Iain S. Duff, Jennifer A. Scott
Frontal Software for the Solution of Sparse Linear Equations. PARA (1996)
Jennifer A. Scott
An Arnoldi Code for Computing Selected Eigenvalues of Sparse, Real, Unsymmetric Matrices. ACM Trans. Math. Softw. 21 (4) (1995)
Iain S. Duff, Jennifer A. Scott
Computing Selected Eigenvalues of Sparse Unsymmetric Matrices Using Subspace Iteration. ACM Trans. Math. Softw. 19 (2) (1993)