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The RQR algorithm
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2024
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Daan Camps
Thomas Mach
Raf Vandebril
David S. Watkins
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An Arnoldi-based approach to polynomial and rational least squares
problems
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2024
|
Amin Faghih
Marc Van Barel
Niel Van Buggenhout
Raf Vandebril
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Parallel Two-Stage Reduction to Hessenberg-Triangular Form
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2024
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Thijs Steel
Raf Vandebril
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Approximating maps into manifolds with lower curvature bounds
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2024
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Simon Jacobsson
Raf Vandebril
Joeri Van der Veken
Nick Vannieuwenhoven
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A new deflation criterion for the QZ algorithm
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2023
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Thijs Steel
Raf Vandebril
Julien Langou
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Algorithms for modifying recurrence relations of orthogonal polynomial and rational functions when changing the discrete inner product
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2023
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Marc Van Barel
Niel Van Buggenhout
Raf Vandebril
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PDF
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Rational QZ steps with perfect shifts
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2023
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Nicola Mastronardi
Marc Van Barel
Raf Vandebril
Paul Van Dooren
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Parallel two-stage reduction to Hessenberg-triangular form
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2023
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Thijs Steel
Raf Vandebril
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Algorithms for Modifying Recurrence Relations of Orthogonal Polynomial and Rational Functions when Changing the Discrete Inner Product
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2023
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Marc Van Barel
Niel Van Buggenhout
Raf Vandebril
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The seriation problem in the presence of a double Fiedler value
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2022
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Anna Concas
Caterina Fenu
G. Rodríguez
Raf Vandebril
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PDF
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A novel, blocked algorithm for the reduction to Hessenberg-triangular form
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2022
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Thijs Steel
Raf Vandebril
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The seriation problem in the presence of a double Fiedler value
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2022
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Anna Concas
Caterina Fenu
G. Rodríguez
Raf Vandebril
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+
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A new deflation criterion for the QZ algorithm
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2022
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Thijs Steel
Raf Vandebril
Julien Langou
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PDF
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Generation of orthogonal rational functions by procedures for structured matrices
|
2021
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Niel Van Buggenhout
Marc Van Barel
Raf Vandebril
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Preface
|
2021
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Froilán M. Dopico
Daniel Kreßner
Nicola Mastronardi
Volker Mehrmann
Raf Vandebril
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PDF
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A Multishift, Multipole Rational QZ Method with Aggressive Early Deflation
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2021
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Thijs Steel
Daan Camps
Karl Meerbergen
Raf Vandebril
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PDF
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Structured backward errors in linearizations
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2021
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Vanni Noferini
Leonardo Robol
Raf Vandebril
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PDF
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Pole-Swapping Algorithms for Alternating and Palindromic Eigenvalue Problems
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2020
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Thomas Mach
Thijs Steel
Raf Vandebril
David S. Watkins
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PDF
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On pole-swapping algorithms for the eigenvalue problem
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2020
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Daan Camps
Thomas Mach
Raf Vandebril
David S. Watkins
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PDF
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When is a matrix unitary or Hermitian plus low rank?
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2019
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Gianna M. Del Corso
Federico Poloni
Leonardo Robol
Raf Vandebril
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A multishift, multipole rational QZ method for the generalized eigenvalue problem
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2019
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Raf Vandebril
Daan Camps
Paul Van Dooren
Karl Meerbergen
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Pole-swapping algorithms for alternating and palindromic eigenvalue problems
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2019
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Thomas Mach
Thijs Steel
Raf Vandebril
David S. Watkins
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+
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On pole-swapping algorithms for the eigenvalue problem
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2019
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Daan Camps
Thomas Mach
Raf Vandebril
David S. Watkins
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PDF
Chat
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A Rational QZ Method
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2019
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Daan Camps
Karl Meerbergen
Raf Vandebril
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+
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Structured backward errors in linearizations
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2019
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Vanni Noferini
Leonardo Robol
Raf Vandebril
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+
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Pole-swapping algorithms for alternating and palindromic eigenvalue problems
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2019
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Thomas Mach
Thijs Steel
Raf Vandebril
David S. Watkins
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+
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When is a matrix unitary or Hermitian plus low rank
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2018
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Gianna M. Del Corso
Federico Poloni
Leonardo Robol
Raf Vandebril
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Core-Chasing Algorithms for the Eigenvalue Problem
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2018
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Jared L. Aurentz
Thomas Mach
Leonardo Robol
Raf Vandebril
David S. Watkins
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+
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On an Economic Arnoldi Method for $BML$-Matrices
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2018
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Bernhard Beckermann
Clara Mertens
Raf Vandebril
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PDF
Chat
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Fast and Backward Stable Computation of Roots of Polynomials, Part II: Backward Error Analysis; Companion Matrix and Companion Pencil
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2018
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Jared L. Aurentz
Thomas Mach
Leonardo Robol
Raf Vandebril
David S. Watkins
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Biorthogonal Extended Krylov Subspace Methods
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2018
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Niel Van Buggenhout
Marc Van Barel
Raf Vandebril
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+
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When is a matrix unitary or Hermitian plus low rank?
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2018
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Gianna M. Del Corso
Federico Poloni
Leonardo Robol
Raf Vandebril
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Fast and backward stable computation of eigenvalues and eigenvectors of matrix polynomials
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2017
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Jared L. Aurentz
Thomas Mach
Leonardo Robol
Raf Vandebril
David S. Watkins
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PDF
Chat
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An extended Hamiltonian QR algorithm
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2017
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Micol Ferranti
Bruno Iannazzo
Thomas Mach
Raf Vandebril
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PDF
Chat
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On a fast Arnoldi method for BML matrices
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2017
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Bernhard Beckermann
Clara Mertens
Raf Vandebril
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PDF
Chat
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On a fast Arnoldi method for BML matrices
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2017
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Bernhard Beckermann
Clara Mertens
Raf Vandebril
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PDF
Chat
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On a fast Arnoldi method for BML matrices
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2017
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Bernhard Beckermann
Clara Mertens
Raf Vandebril
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PDF
Chat
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A Framework for Structured Linearizations of Matrix Polynomials in Various Bases
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2017
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Leonardo Robol
Raf Vandebril
Paul Van Dooren
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Fast and backward stable computation of the eigenvalues and eigenvectors of matrix polynomials
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2016
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Jared L. Aurentz
Thomas Mach
Leonardo Robol
Raf Vandebril
David S. Watkins
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Roots of Polynomials: on twisted QR methods for companion matrices and pencils
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2016
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Jared L. Aurentz
Thomas Mach
Leonardo Robol
Raf Vandebril
David S. Watkins
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Fast and backward stable computation of the eigenvalues of matrix polynomials
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2016
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Jared L. Aurentz
Thomas Mach
Leonardo Robol
Raf Vandebril
David S. Watkins
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+
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Convergence rates for inverse-free rational approximation of matrix functions
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2016
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Carl Jagels
Thomas Mach
Lothar Reichel
Raf Vandebril
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+
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A framework for structured linearizations of matrix polynomials in various bases
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2016
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Leonardo Robol
Raf Vandebril
Paul Van Dooren
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+
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Adaptive cross approximation for ill-posed problems
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2016
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Thomas Mach
Lothar Reichel
Marc Van Barel
Raf Vandebril
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A note on companion pencils
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2016
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Jared L. Aurentz
Thomas Mach
Raf Vandebril
David S. Watkins
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+
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A note on compacnion pencils
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2016
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Jared L. Aurentz
Thomas Mach
Raf Vandebril
David S. Watkins
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Fast and backward stable computation of roots of polynomials, Part II: backward error analysis; companion matrix and companion pencil
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2016
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Jared L. Aurentz
Thomas Mach
Leonardo Robol
Raf Vandebril
David S. Watkins
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Fast and backward stable computation of the eigenvalues and eigenvectors of matrix polynomials
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2016
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Jared L. Aurentz
Thomas Mach
Leonardo Robol
Raf Vandebril
David S. Watkins
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A framework for structured linearizations of matrix polynomials in various bases
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2016
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Leonardo Robol
Raf Vandebril
Paul Van Dooren
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Averaging block-Toeplitz matrices with preservation of Toeplitz block structure
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2015
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Ben Jeuris
Raf Vandebril
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Extended Hamiltonian Hessenberg Matrices arise in Projection based Model Order Reduction
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2015
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Micol Ferranti
Thomas Mach
Raf Vandebril
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Truncating a generic tensor rank decomposition of small rank is not optimal
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2015
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Nick Vannieuwenhoven
Johannes Nicaise
Raf Vandebril
Karl Meerbergen
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On rotations and approximate rational Krylov subspaces
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2015
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Raf Vandebril
Thomas Mach
Lothar Reichel
Carl Jagels
Miroslav S. Pranić
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PDF
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Computing the Gradient in Optimization Algorithms for the CP Decomposition in Constant Memory through Tensor Blocking
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2015
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Nick Vannieuwenhoven
Karl Meerbergen
Raf Vandebril
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Riemannian Optimization for Averaging Positive Definite
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2015
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Ben Jeuris
Raf Vandebril
Johannes Nicaise
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+
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Lineaire Algebra: Slides
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2015
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Raf Vandebril
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+
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A numerical example showing that deflations based on rotation leads to higher relative accuracy in QR algorithm
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2014
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Thomas Mach
Raf Vandebril
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+
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Fast and stable computation of the roots of polynomials
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2014
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Jared L. Aurentz
Thomas Mach
Raf Vandebril
David S. Watkins
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+
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Roots of polynomials
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2014
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Raf Vandebril
Thomas Mach
David S. Watkins
Jared L. Aurentz
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+
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On Rotations and (Rational) Krylov Subspaces
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2014
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Thomas Mach
Miroslav S. Pranić
Raf Vandebril
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+
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Inverse eigenvalue problems for extended Hessenberg and extended tridiagonal matrices
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2014
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Thomas Mach
Marc Van Barel
Raf Vandebril
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PDF
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A randomized algorithm for testing nonsingularity of structured matrices with an application to asserting nondefectivity of Segre varieties
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2014
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Nick Vannieuwenhoven
Raf Vandebril
Karl Meerbergen
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PDF
Chat
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Multiple Recurrences and the Associated Matrix Structures Stemming From Normal Matrices
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2014
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Clara Mertens
Raf Vandebril
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PDF
Chat
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On Generic Nonexistence of the Schmidt--Eckart--Young Decomposition for Complex Tensors
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2014
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Nick Vannieuwenhoven
Johannes Nicaise
Raf Vandebril
Karl Meerbergen
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+
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Hitchcock's rank decomposition: an algebraic geometry point of view
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2013
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Nick Vannieuwenhoven
Raf Vandebril
Karl Meerbergen
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+
PDF
Chat
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Geometric means of structured matrices
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2013
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Dario A. Bini
Bruno Iannazzo
Ben Jeuris
Raf Vandebril
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PDF
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A comparison between the complex symmetric based and classical computation of the singular value decomposition of normal matrices
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2013
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Micol Ferranti
Thanh Hieu Le
Raf Vandebril
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The multiple-vector tensor-vector product
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2013
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Nick Vannieuwenhoven
Nick Vanbaelen
Karl Meerbergen
Raf Vandebril
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+
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Computing eigenvalues of normal matrices via complex symmetric matrices
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2013
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Micol Ferranti
Raf Vandebril
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The dense multiple-vector tensor-vector product: An initial study
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2013
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Nick Vannieuwenhoven
Nick Vanbaelen
Karl Meerbergen
Raf Vandebril
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Geometric mean algorithms based on harmonic and arithmetic iterations
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2013
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Ben Jeuris
Raf Vandebril
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+
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The multiple-vector tensor-vector multiplication
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2013
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Nick Vannieuwenhoven
Nick Vanbaelen
Karl Meerbergen
Raf Vandebril
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+
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The structured geometric mean
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2013
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Ben Jeuris
Raf Vandebril
Dario Bini
Bruno Iannazzo
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+
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Inverse eigenvalue problems linked to rational Arnoldi, and rational, (non)symmetric Lanczos
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2013
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Thomas Mach
Raf Vandebril
Marc Van Barel
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+
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On generalizing the Schmidt-Eckart-Young theorem to tensors
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2013
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Nick Vannieuwenhoven
Raf Vandebril
Karl Meerbergen
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PDF
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Fast Computation of the Zeros of a Polynomial via Factorization of the Companion Matrix
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2013
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Jared L. Aurentz
Raf Vandebril
David S. Watkins
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+
PDF
Chat
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Geometric Mean Algorithms Based on Harmonic and Arithmetic Iterations
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2013
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Ben Jeuris
Raf Vandebril
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An extension of the QZ algorithm beyond the Hessenberg-upper triangular pencil
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2013
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Raf Vandebril
David S. Watkins
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+
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A probabilistic numerical algorithm based on Terracini's lemma for proving nondefectivity of Segre varieties
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2012
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Nick Vannieuwenhoven
Raf Vandebril
Karl Meerbergen
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Matrix manifold optimization: Contemporary algorithms for computing the matrix geometric mean
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2012
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Ben Jeuris
Raf Vandebril
Bart Vandereycken
Dari Bini
Bruno Iannazzo
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+
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Unitary similarity of normal matrices to complex symmetric form
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2012
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Micol Ferranti
Raf Vandebril
Thanh Hieu Le
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+
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Fast computation of zeros of a polynomial
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2012
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David S. Watkins
Raf Vandebril
Jared L. Aurentz
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+
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A new truncation strategy for the higher-order singular value decomposition of tensors
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2012
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Nick Vannieuwenhoven
Raf Vandebril
Karl Meerbergen
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How differential geometry assists in computing the matrix geometric mean
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2012
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Raf Vandebril
Ben Jeuris
Dario A. Bini
Bart Vandereycken
Bruno Iannazzo
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A survey and comparison of contemporary algorithms for computing the matrix geometric mean
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2012
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Ben Jeuris
Raf Vandebril
Bart Vandereycken
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PDF
Chat
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A New Truncation Strategy for the Higher-Order Singular Value Decomposition
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2012
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Nick Vannieuwenhoven
Raf Vandebril
Karl Meerbergen
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+
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The sequentially truncated multilinear singular value decomposition for tensors
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2011
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Nick Vannieuwenhoven
Raf Vandebril
Karl Meerbergen
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+
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On the truncated multilinear singular value decomposition
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2011
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Nick Vannieuwenhoven
Raf Vandebril
Karl Meerbergen
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+
PDF
Chat
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Chasing Bulges or Rotations? A Metamorphosis of the QR-Algorithm
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2011
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Raf Vandebril
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+
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A unitary similarity transform of a normal matrix to complex symmetric form
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2010
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Raf Vandebril
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QR-type iterations for eigenvalue computations based on factorizations of unitary matrices in rotations
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2010
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Raf Vandebril
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The solution of a class of two-parameter eigenvalue problems and a connection with the implicitly restarted Arnoldi method
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2010
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Karl Meerbergen
A. Spence
Raf Vandebril
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+
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Polynomial extremal problems and logarithmic potential theory in numerical linear algebra
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2010
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Bernd Beckermann
Stefan Guettel
Raf Vandebril
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Homotopy algorithm for the symmetric diagonal-plus-semiseparable eigenvalue problem
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2010
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Andrey Chesnokov
Marc Van Barel
Nicola Mastronardi
Raf Vandebril
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PDF
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Implicit double shift QR-algorithm for companion matrices
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2010
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Marc Van Barel
Raf Vandebril
Paul Van Dooren
Katrijn Frederix
|
+
PDF
Chat
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On tridiagonal matrices unitarily equivalent to normal matrices
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2010
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Raf Vandebril
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+
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Inverse subspace iteration for the solution of a class of parameterized eigenvalue problems
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2010
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Raf Vandebril
Karl Meerbergen
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+
PDF
Chat
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An Implicit Multishift $QR$-Algorithm for Hermitian Plus Low Rank Matrices
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2010
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Raf Vandebril
Gianna M. Del Corso
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+
PDF
Chat
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On the Convergence of Rational Ritz Values
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2010
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Bernhard Beckermann
Stefan Güttel
Raf Vandebril
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A fast algorithm for computing the null-space of polynomial matrices
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2010
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Nicola Mastronardi
Paul Van Dooren
Raf Vandebril
Eugene E. Tyrtyshnikov
Marc Van Barel
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Rational Krylov methods and approximation of f (A)b
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2009
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Bernhard Beckermann
Michael Eiermann
Oliver G. Ernst
Stefan Güttel
Raf Vandebril
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A multiple shift <mml:math xmlns:mml="http://www.w3.org/1998/Math/MathML" altimg="si2.gif" display="inline" overflow="scroll"><mml:mi>Q</mml:mi><mml:mi>R</mml:mi></mml:math>-step for structured rank matrices
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2009
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Raf Vandebril
Marc Van Barel
Nicola Mastronardi
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PDF
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A Quasi-Separable Approach to Solve the Symmetric Definite Tridiagonal Generalized Eigenvalue Problem
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2009
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Raf Vandebril
Gene H. Golub
Marc Van Barel
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On the convergence of rational Ritz values, with applications to rational interpolation of rational functions
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2009
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Bernhard Beckermann
Stefan G ̈ uttel
Raf Vandebril
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+
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Eigenvalue and singular value methods
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2009
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Raf Vandebril
Marc Van Barel
Nicola Mastronardi
|
+
PDF
Chat
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Rational QR-iteration without inversion
|
2008
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Raf Vandebril
Marc Van Barel
Nicola Mastronardi
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+
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On computing the null space of polynomial matrices
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2008
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Nicola Mastronardi
Raf Vandebril
Marc Van Barel
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+
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Computing the null space of block Toeplitz/Hankel matrices
|
2008
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Nicola Mastronardi
Marc Van Barel
Raf Vandebril
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+
PDF
Chat
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A fast algorithm for computing the smallest eigenvalue of a symmetric positive‐definite Toeplitz matrix
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2008
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Nicola Mastronardi
Marc Van Barel
Raf Vandebril
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Semiseparable Matrices and the Symmetric Eigenvalue Problem
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2008
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Marc Van Barel
Raf Vandebril
Gianni Codevico
Ellen Van Camp
Steven Delvaux
Nicola Mastronardi
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A parallel QR-factorization/solver of quasiseparable matrices
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2008
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Raf Vandebril
Marc Van Barel
Nicola Mastronardi
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+
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The generalized Schur algorithm for computing the nullspace of polynomial matrices
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2008
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Nicola Mastronardi
Marc Van Barel
Raf Vandebril
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+
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A new iteration for computing the eigenvalues of semiseparable (plus diagonal) matrices
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2007
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Raf Vandebril
Marc Van Barel
Nicola Mastronardi
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+
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A QZ-method based on semiseparable matrices
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2007
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Yvette Vanberghen
Raf Vandebril
Marc Van Barel
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+
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A QH-iteration for Hessenberg-like matrices
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2007
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Marc Van Barel
Raf Vandebril
Nicola Mastronardi
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+
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A generalization of the QR-algorithm for semiseparable (plus diagonal) matrices
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2007
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Marc Van Barel
Raf Vandebril
Nicola Mastronardi
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+
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Solving linear systems with a Levinson-like solver.
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2007
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Raf Vandebril
Nicola Mastronardi
Marc Van Barel
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+
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A rational QR-iteration
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2007
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Raf Vandebril
Marc Van Barel
Nicola Mastronardi
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+
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A parallel QR-factorization/solver of structured rank matrices
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2006
|
Raf Vandebril
Marc Van Barel
Nicola Mastronardi
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+
PDF
Chat
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On the convergence properties of the orthogonal similarity transformations to tridiagonal and semiseparable (plus diagonal) form
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2006
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Raf Vandebril
Ellen Van Camp
Marc Van Barel
Nicola Mastronardi
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A Levinson-like algorithm for symmetric strongly nonsingular higher order semiseparable plus band matrices
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2006
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Raf Vandebril
Nicola Mastronardi
Marc Van Barel
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+
PDF
Chat
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A small note on the scaling of symmetric positive definite semiseparable matrices
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2006
|
Raf Vandebril
Gene H. Golub
Marc Van Barel
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+
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Rank structured matrix operations
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2006
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Marc Van Barel
Raf Vandebril
Nicola Mastronardi
Steven Delvaux
Yvette Vanberghen
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+
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A general Levinson framework for solving systems of equations
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2006
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Raf Vandebril
Marc Van Barel
Nicola Mastronardi
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+
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Necessary and sufficient conditions for orthogonal similarity transformations to obtain the Arnoli(Lanczos)–Ritz values
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2005
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Raf Vandebril
Marc Van Barel
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+
PDF
Chat
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Orthogonal similarity transformation of a symmetric matrix into a diagonal-plus-semiseparable one with free choice of the diagonal
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2005
|
Raf Vandebril
Ellen Van Camp
Marc Van Barel
Nicola Mastronardi
|
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PDF
Chat
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A bibliography on semiseparable matrices*
|
2005
|
Raf Vandebril
Marc Van Barel
Gene H. Golub
Nicola Mastronardi
|
+
PDF
Chat
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A Lanczos–like reduction of symmetric structured matrices to semiseparable form*
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2005
|
Nicola Mastronardi
M. Schuermans
Marc Van Barel
Raf Vandebril
Sabine Van Huffel
|
+
PDF
Chat
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An Implicit Q Theorem for Hessenberg-like Matrices
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2005
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Raf Vandebril
Marc Van Barel
Nicola Mastronardi
|
+
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On computing the eigenvectors of a class of structured matrices
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2005
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Nicola Mastronardi
Marc Van Barel
Ellen Van Camp
Raf Vandebril
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+
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A note on the nullity theorem
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2005
|
Raf Vandebril
Marc Van Barel
|
+
PDF
Chat
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An implicit <i>QR</i> algorithm for symmetric semiseparable matrices
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2005
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Raf Vandebril
Marc Van Barel
Nicola Mastronardi
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+
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Computing the rank revealing factorization of symmetric matrices by the semiseparable reduction
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2005
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Moorsel van
Barel R. Vandebril
Nicola Mastronardi
Marc Van Barel
Raf Vandebril
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+
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A Levinson-like algorithm for symmetric positive definite semiseparable plus diagonal matrices
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2005
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Nicola Mastronardi
Raf Vandebril
Marc Van Barel
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+
PDF
Chat
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A note on the recursive calculation of dominant singular subspaces
|
2005
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Nicola Mastronardi
Marc Van Barel
Raf Vandebril
|
+
PDF
Chat
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An Orthogonal Similarity Reduction of a Matrix into Semiseparable Form
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2005
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Marc Van Barel
Raf Vandebril
Nicola Mastronardi
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Structured rank matrices and their applications in numerical linear algebra
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2005
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Raf Vandebril
Marc Van Barel
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A QR?method for computing the singular values via semiseparable matrices
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2004
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Raf Vandebril
Marc Van Barel
Nicola Mastronardi
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The QR-algorithm for semiseparable matrices
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2004
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Yvette Vanberghen
Raf Vandebril
Marc Van Barel
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A short note on the nullity theorem
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2004
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Raf Vandebril
Marc Van Barel
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Necessary and sufficient conditions for orthogonal similarity transformations to obtain the Ritz values
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2004
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Raf Vandebril
Marc Van Barel
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The nullity theorem and some generalizations
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2004
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Raf Vandebril
Marc Van Barel
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A comparison between the semiseparable and the tridiagonal eigenvalue solvers
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2004
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Raf Vandebril
Marc Van Barel
Nicola Mastronardi
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On the convergence properties of an orthogonal similarity reduction to semiseparable (plus diagonal) form
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2004
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Raf Vandebril
Marc Van Barel
Ellen Van Camp
Nicola Mastronardi
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Implicit QR-algorithms for tridiagonal and semiseparable matrices
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2004
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Marc Van Barel
Raf Vandebril
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The QR-algorithm for diagonal plus rank-one matrices
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2004
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Marc Van Barel
Ellen Van Camp
Raf Vandebril
Nicola Mastronardi
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Orthogonal similarity reduction of a symmetric matrix into semiseparable form and it\'s properties
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2004
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Marc Van Barel
Raf Vandebril
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A comparison between the eigenvalue solvers based on semiseparable and tridiagonal matrices
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2004
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Raf Vandebril
Marc Van Barel
Nicola Mastronardi
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Solving eigenvalue problems using semiseparable instead of tridiagonal matrices
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2003
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Raf Vandebril
Marc Van Barel
Nicola Mastronardi
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An implicit QR algorithm for semiseparable matrices to compute the eigendecomposition of symmetric matrices.
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2003
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Raf Vandebril
Marc Van Barel
Nicola Mastronardi
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Solving symmetric eigenvalue problems using semiseparable matrices instead of tridiagonal ones
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2003
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Raf Vandebril
Nicola Mastronardi
Marc Van Barel
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The Lanczos-Ritz values appearing in an orthogonal similarity reduction of a matrix into semiseparable form
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2003
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Raf Vandebril
Marc Van Barel
Raf Vandebril
Nicola Mastronardi
Nicola Mastronardi
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A fast solver for a bivariate polynomial vector homogeneous interpolation problem
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2002
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Raf Vandebril
Marc Van Barel
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A new approach on multivariate interpolation
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2001
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Raf Vandebril
Marc Van Barel
Bernard Mourrain
Olivier Ruatta
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