Papers

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

  NIM Gould; Y Hu; JA Scott;

  Type: Report

  Published in: Rutherford Appleton Laboratory Technical Reports (- 2022)

• Using constraint preconditioners with regularized saddle-point problems

  HS Dollar; NIM Gould; WHA Schilders; AJ Wathen;

  Type: Report

  Published in: Rutherford Appleton Laboratory Technical Reports (- 2022)

• Experiences of sparse direct symmetric solvers

  JA Scott; Y Hu;

  Type: Report

  Published in: Rutherford Appleton Laboratory Technical Reports (- 2022)

• Reducing the total bandwidth of a sparse unsymmetric matrix

  J A Scott; J K Reid;

  Type: Report

  Published in: Rutherford Appleton Laboratory Technical Reports (- 2022)

• Towards a stable static pivoting strategy for the sequential and parallel solution of sparse symmetric indefinite systems

  IS Duff; S Pralet;

  Type: Report

  Published in: Rutherford Appleton Laboratory Technical Reports (- 2022)

• Complete results from a numerical evaluation of sparse direct solvers for the solution of large, sparse, symmetric linear systems of equations

  NIM Gould; Y Hu; JA Scott;

  Type: Report

  Published in: Numerical Analysis Group Internal Report

• Branching and bounding improvements for global optimization algorithms with Lipschitz continuity properties

  C Cartis; JM Fowkes; NIM Gould;

  Type: Journal Article

  Published in: Journal of Global Optimization

• Towards an automatic ordering for a symmetric sparse direct solver

  IS Duff; JA Scott;

  Type: Report

  Published in: Rutherford Appleton Laboratory Technical Reports (- 2022)

• Stabilized bordered block diagonal forms for parallel sparse solvers

  I S Duff; J A Scott;

  Type: Journal Article

  Published in: Parallel Computing

• A multidimensional filter algorithm for nonlinear equations and nonlinear least squares

  N I M Gould; S Leyffer; PL Toint;

  Type: Journal Article

  Published in: SIAM Journal on Optimization

• Numerical methods for large-scale nonlinear optimizations

  N I M Gould; D Orban; PL Toint;

  Type: Journal Article

  Published in: Acta Numerica

• Sensitivity of trust-region algorithms to their parameters

  N I M Gould; PL Toint; D Orban; A Sartenaer;

  Type: Journal Article

  Published in: 4OR: A Quarterly Journal of Operations Research

• An evaluation of sparse direct symmetric solvers : an introduction and preliminary findings.

  JA Scott; Y Hu; NIM Gould; J Dongarra; K Madsen; J Wasniewski;

  Type: Paper In Conference Proceedings

• Combining fast multipole techniques and an approximate inverse preconditioner for large parrallel electromagnetism calculations

  B Carpentieri; I S Duff; L Giraud; G Sylvand;

  Type: Journal Article

  Published in: SIAM Journal on Scientific Computing

• Using spectral low rank preconditioners for large electromagnetic calculations

  I S Duff; L Giraud; J Langou; E Martin;

  Type: Journal Article

  Published in: Int J Numer Meth Engng

• Incomplete Orthogonal Factorization Methods Using Givens Rotations II: Implementation and Results

  A T Papadopoulos; I S Duff; A J Wathen;

  Type: Journal Article

  Published in: BIT

• Towards a stable static pivoting strategy for the sequential and parallel solution of sparse symmetric indefinite systems

  IS Duff; S Pralet;

  Type: Report

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

  Y Hu; J A Scott;

  Type: Journal Article

  Published in: Num. Lin. Alg. Applics

• Multilevel hybrid spectral element ordering algorithms

  JA Scott;

  Type: Journal Article

  Published in: Commun Numer Meth Engng

• On iterative methods and implicit-factorization preconditioners for regularized saddle-point systems

  HS Dollar; NIM Gould; WHA Schilders; AJ Wathen;

  Type: Report

  Published in: Rutherford Appleton Laboratory Technical Reports (- 2022)