Papers

• Strategies for scaling and pivoting for sparse symmetric indefinite problems

  IS Duff; S Pralet;

  Type: Report

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

• Sensitivity of trust-region algorithms to their parameters

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

  Type: Report

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

• On the convergence of successive linear quadratic programming algorithms

  RH Byrd; N I M Gould; J Nocedal; RA Waltz;

  Type: Report

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

• Numerical methods for large-scale nonlinear optimizations

  NIM Gould; D Orban; PL Toint;

  Type: Report

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

• Combining direct and iterative methods for the solution of large systems in different application areas

  IS Duff;

  Type: Report

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

• Numerical Analysis Group Progress Report January 2002- December 2003

  IS Duff;

  Type: Report

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

• Multilevel hybrid spectral element ordering algorithms

  J A Scott; I S Duff;

  Type: Report

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

• Parallel preconditioners based on partitioning sparse matrices

  Iain S Duff; S Riyavong; MB Van Gijzen;

  Type: Report

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

• MA42 ELEMENT - a state-of-the-art frontal solver for finite-element applications

  Jennifer A Scott;

  Type: Report

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

• A filter-trust-region method for unconstrained optimization

  N I M Gould; C Sainvitu; PL Toint;

  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: Report

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

• How mature is nonlinear optimization?

  NIM Gould; PL Toint;

  Type: Report

  Published in: FUNDP

• A fully portable high performance minimal storage hybrid format Cholesky algorithm

  BS Andersen; JA Gunnels; FG Gustavson; JK Reid; J Wasniewski;

  Type: Report

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

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

  JA Scott; Y Hu; NIM Gould;

  Type: Report

  Published in: Numerical Analysis Group Internal Report

• On implicit-factorization constraint preconditioners

  HS Dollar; NIM Gould; AJ Wathen;

  Type: Report

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

• Combining direct and iterative methods for the solution of large systems in different application areas

  IS Duff; AH Siddiqi; O Christensen;

  Type: Book Chapter or Section

• Preprocessing for quadratic programming

  N I M Gould; PL Toint;

  Type: Journal Article

  Published in: Mathematical Programming

• How mature is nonlinear optimization?

  NIM Gould; PL Toint;

  Type: Paper In Conference Proceedings

• GRID-TLSE: A website for experimenting with sparse direct solvers on a computational grid

  PR Amestoy; IS Duff; J-Y L'Excellent;

  Type: Paper In Conference Proceedings

• Algorithm 837: AMD, an approximate minimum degree ordering algorithm.

  PR Amestoy; TA Davis; IS Duff;

  Type: Journal Article

  Published in: ACM Transactions on Mathematical Software

• Sparse symmetric preconditioners for dense linear systems in electromagnetism

  B Carpentieri; IS Duff; L Giraud; M Magolu monga Made;

  Type: Journal Article

  Published in: Numerical Linear Algebra with Applications

• MA57 - a code for the solution of sparse symmetric indefinite systems.

  IS Duff;

  Type: Journal Article

  Published in: ACM Transactions on Mathematical Software

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

  I S Duff; J A Scott;

  Type: Journal Article

  Published in: ACM Transactions on Mathematical Software