Papers

• Spectral analysis of saddle point matrices with indefinite leading blocks

  NIM Gould; V Simoncini;

  Type: Report

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

• Convergence of a regularized Euclidean residual algorithm for nonlinear least-squares

  S Bellavia; C Cartis; NIM Gould; B Morini; Ph L Toint;

  Type: Report

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

• A second derivative SQP method with imposed descent

  NIM Gould; DP Robinson;

  Type: Report

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

• An efficient out-of-core sparse symmetric indefinite direct solver

  JK Reid; JA Scott;

  Type: Report

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

• Guidelines for the development of HSL software, 2008 version

  JK Reid; JA Scott;

  Type: Report

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

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

  JD Hogg; JA Scott;

  Type: Report

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

• Numerical Analysis Group progress report : January 2006 - December 2007

  JA Scott;

  Type: Report

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

• An approximate minimum degree algorithm for matrices with dense rows

  PR Amestoy; HS Dollar; JK Reid; JA Scott;

  Type: Report

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

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

  HS Dollar; JA Scott;

  Type: Report

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

• On the block triangular form of symmetric matrices (revised)

  IS Duff; B Ucar;

  Type: Report

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

• Trust-region and other regularisations of linear least-squares problems

  C Cartis; NIM Gould; PL Toint;

  Type: Report

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

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

  JA Scott;

  Type: Report

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

• A Bramble-Pasciak-like method with applications in optimization

  HS Dollar; NIM Gould; M Stoll; AJ Wathen;

  Type: Report

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

• Optimal solvers for PDE-constrained optimization

  T Rees; HS Dollar; AJ Wathen;

  Type: Report

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

• Migrating a scientific application from MPI to Coarrays

  JV Ashby; JK Reid;

  Type: Report

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

• A parallel matrix scaling algorithm

  PR Amestoy; IS Duff; D Ruiz; B Ucar;

  Type: Report

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

• On the efficient solution of mixed finite element equations in geometrically multiscale thermal stress analysis

  IS Duff; D Mijuca;

  Type: Report

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

• Numerical study on incomplete orthogonal factorization preconditioners

  Z-Z Bai; IS Duff; J-F Yin;

  Type: Report

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

• The effects of scalings on the performance of a sparse symmetric indefinite solver

  JD Hogg; JA Scott;

  Type: Report

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

• Using FGMRES to obtain backward stability in mixed precision

  M Arioli; IS Duff;

  Type: Report

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

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

  HS Dollar; JA Scott;

  Type: Journal Article

  Published in: Numerical Linear Algebra with Applications