A Schur complement approach to preconditioning sparse linear least-squares problems with some dense rows

Solving Mixed Sparse-Dense Linear Least-Squares Problems by Preconditioned Iterative Methods

(2017) Jennifer Scott et al.   SIAM JOURNAL ON SCIENTIFIC COMPUTING

On Using Cholesky-Based Factorizations and Regularization for Solving Rank-Deficient Sparse Linear Least-Squares Problems

(2017) Jennifer Scott   SIAM JOURNAL ON SCIENTIFIC COMPUTING

Cholesky-Like Factorization of Symmetric Indefinite Matrices and Orthogonalization with Respect to Bilinear Forms

(2015) M. RozložnÍk et al.   SIAM JOURNAL ON MATRIX ANALYSIS AND APPLICATIONS

HSL_MI28

(2014) Jennifer Scott et al.   ACM TRANSACTIONS ON MATHEMATICAL SOFTWARE

CUTEst: a Constrained and Unconstrained Testing Environment with safe threads for mathematical optimization

(2014) Nicholas I. M. Gould et al.   COMPUTATIONAL OPTIMIZATION AND APPLICATIONS

Limited-memory LDL⊤ factorization of symmetric quasi-definite matrices with application to constrained optimization

(2014) Dominique Orban   NUMERICAL ALGORITHMS

On Signed Incomplete Cholesky Factorization Preconditioners for Saddle-Point Systems

(2014) Jennifer Scott et al.   SIAM JOURNAL ON SCIENTIFIC COMPUTING

On Positive Semidefinite Modification Schemes for Incomplete Cholesky Factorization

(2014) Jennifer Scott et al.   SIAM JOURNAL ON SCIENTIFIC COMPUTING

LSMR: An Iterative Algorithm for Sparse Least-Squares Problems

(2011) David Chin-Lung Fong et al.   SIAM JOURNAL ON SCIENTIFIC COMPUTING

Design of a Multicore Sparse Cholesky Factorization Using DAGs

(2010) J. D. Hogg et al.   SIAM JOURNAL ON SCIENTIFIC COMPUTING

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

(2009) H. S. Dollar et al.   NUMERICAL LINEAR ALGEBRA WITH APPLICATIONS

Using Perturbed $QR$ Factorizations to Solve Linear Least-Squares Problems

(2009) Haim Avron et al.   SIAM JOURNAL ON MATRIX ANALYSIS AND APPLICATIONS