Papers

• The design and use of algorithms for permuting large entries to the diagonal of sparse matrices

  IS Duff; J Koster;

  Type: Journal Article

  Published in: SIAM Journal on Matrix Analysis and Applications

• A combined unifrontal/multifrontal method for unsymmetric sparse matrices

  TA Davis; IS Duff;

  Type: Report

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

• A numerical comparison between the LANCELOT and MINOS packages for large scale constrained optimization

  I Bongartz; AR Conn; NIM Gould; MA Saunders; PL Toint;

  Type: Report

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

• A note on the second order convergence of optimization algorithms using barrier functions

  NIM Gould; PL Toint;

  Type: Report

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

• The modified absolute-value factorization norm for trust region minimization

  NIM Gould; J Nocedal;

  Type: Report

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

• MA62 - a frontal code for sparse positive definite symmetric systems from finite element applications

  IS Duff; JA Scott;

  Type: Report

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

• A comparison of frontal software with other sparse direct solvers

  IS Duff; JA Scott;

  Type: Report

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

• Performance issues for frontal schemes on a cache based high performance computer

  KA Cliffe; IS Duff; JA Scott;

  Type: Report

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

• Evaluation de performance et optimisation de code dans le domaine du calcul numérique intensif

  PR Amestoy; MJ Daydé; Iain S Duff;

  Type: Book Chapter or Section

• MA41: a parallel package for solving sparse unsymmetric sets of linear equations

  PR Amestoy; Iain S Duff;

  Type: Report

• Solution of sparse quasi-square rectangular systems by Gaussian elimination

  Jesús Cardenal; Iain S Duff; José M Jiménez;

  Type: Report

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

• Sparse numerical linear algebra: Direct methods and preconditioning

  I S Duff; GA Watson; Iain S Duff;

  Type: Book Chapter or Section

• A comparison of frontal software with other Harwell Subroutine Library sparse direct solvers

  Iain S Duff; Jennifer A Scott;

  Type: Report

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

• Direct methods, linear algebra in optimization, iterative methods.

  I S Duff; N I M Gould; CC Douglas; L Giraud;

  Type: Journal Article

  Published in: BIT

• The Rutherford-Boeing Sparse Matrix Collection

  Iain S Duff; Roger G Grimes; John G Lewis;

  Type: Report

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

• Level 3 Basic Linear Algebra Subprograms for sparse matrices: a user level interface

  Iain S Duff; Michele Marrone; Giuseppe Radicati; Carlo Vittoli;

  Type: Report

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

• Level 3 Basic Linear Algebra Subprograms for sparse matrices: a user level interface

  Iain S Duff; M Marrone; G Radicati; C Vittoli;

  Type: Journal Article

  Published in: ACM Transactions on Mathematical Software

• The State of the Art in Numerical Analysis

  Iain S Duff; GA Watson;

  Type: Book

• EUROPORT Special Issue

  A Colbrook; I Duff; T Hey; K Stüben; C-A Thole;

  Type: Journal Issue

  Published in: International Journal of Supercomputer Applications and High Performance Computing

• A blocked implementation of Level 3 BLAS for RISC Processors (revised version)

  MJ Daydé; Iain S Duff;

  Type: Report

• The use of computational kernels in full and sparse linear solvers, efficient code design on High-Performance RISC processors

  MJ Daydé; IS Duff;

  Type: Paper In Conference Proceedings

• Solving the trust region subproblem using the Lanczos method

  NIM Gould; S Lucidi; M Roma; PL Toint;

  Type: Report

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

• Exploiting zeros in frontal solvers

  JA Scott;

  Type: Report

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

• The Rutherford-Boeing sparse matrix collection

  IS Duff; RG Grimes; JG Lewis;

  Type: Report

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

• Implicitly restarted Arnoldi methods and eigenvalues of the discretized Navier-Stokes equations

  RB Lehoucq; JA Scott;

  Type: Report

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

• Solution of Unassembled Linear Systems Using Block Stretching: Preliminary Experiments

  MJ Dayde; J Decamps; NIM Gould;

  Type: Report

  Published in: ENSEEIHT

• Exploiting negative curvature directions in linesearch methods for unconstrained optimization

  NIM Gould; S Lucidi; M Roma; PL Toint;

  Type: Report

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