Gram‐Schmidt orthogonalization: 100 years and more

SJ Leon, Å Björck, W Gander - Numerical Linear Algebra with …, 2013 - Wiley Online Library
SUMMARY In 1907, Erhard Schmidt published a paper in which he introduced an
orthogonalization algorithm that has since become known as the classical Gram‐Schmidt …

Communication lower bounds and optimal algorithms for numerical linear algebra

G Ballard, E Carson, J Demmel, M Hoemmen… - Acta Numerica, 2014 - cambridge.org
The traditional metric for the efficiency of a numerical algorithm has been the number of
arithmetic operations it performs. Technological trends have long been reducing the time to …

Mixed precision algorithms in numerical linear algebra

NJ Higham, T Mary - Acta Numerica, 2022 - cambridge.org
Today's floating-point arithmetic landscape is broader than ever. While scientific computing
has traditionally used single precision and double precision floating-point arithmetics, half …

Communication-optimal parallel and sequential QR and LU factorizations

J Demmel, L Grigori, M Hoemmen, J Langou - SIAM Journal on Scientific …, 2012 - SIAM
We present parallel and sequential dense QR factorization algorithms that are both optimal
(up to polylogarithmic factors) in the amount of communication they perform and just as …

[图书][B] Communication-avoiding Krylov subspace methods

M Hoemmen - 2010 - search.proquest.com
Krylov subspace methods (KSMs) are iterative algorithms for solving large, sparse linear
systems and eigenvalue problems. Current KSMs rely on sparse matrix-vector multiply …

Less is more: Reweighting important spectral graph features for recommendation

S Peng, K Sugiyama, T Mine - Proceedings of the 45th International ACM …, 2022 - dl.acm.org
As much as Graph Convolutional Networks (GCNs) have shown tremendous success in
recommender systems and collaborative filtering (CF), the mechanism of how they …

Amesos2 and Belos: Direct and iterative solvers for large sparse linear systems

E Bavier, M Hoemmen, S Rajamanickam… - Scientific …, 2012 - Wiley Online Library
Solvers for large sparse linear systems come in two categories: direct and iterative.
Amesos2, a package in the Trilinos software project, provides direct methods, and Belos …

Krylov methods for nonsymmetric linear systems

G Meurant, JD Tebbens - Cham: Springer, 2020 - Springer
Solving systems of algebraic linear equations is among the most frequent problems in
scientific computing. It appears in many areas like physics, engineering, chemistry, biology …

Anasazi software for the numerical solution of large-scale eigenvalue problems

CG Baker, UL Hetmaniuk, RB Lehoucq… - ACM Transactions on …, 2009 - dl.acm.org
Anasazi is a package within the Trilinos software project that provides a framework for the
iterative, numerical solution of large-scale eigenvalue problems. Anasazi is written in ANSI …

Shifted Cholesky QR for computing the QR factorization of ill-conditioned matrices

T Fukaya, R Kannan, Y Nakatsukasa… - SIAM Journal on …, 2020 - SIAM
The Cholesky QR algorithm is an efficient communication-minimizing algorithm for
computing the QR factorization of a tall-skinny matrix X∈R^m*n, where m≫n. Unfortunately …