Nonnegative Diagonals and High Performance on Low-Profile Matrices from Householder QR

DOI10.1137/080725763zbMath1195.65030OpenAlexW2074361019MaRDI QIDQ3581070

Mark Hoemmen, E. Jason Riedy, Yozo Hida, James W. Demmel

Publication date: 16 August 2010

Published in: SIAM Journal on Scientific Computing (Search for Journal in Brave)

Full work available at URL: https://semanticscholar.org/paper/2c6be74835f7d963c0187fb0b397a31083198814

zbMATH Keywords

performancealgorithmnumerical examplesQR factorizationHouseholder reflectionband matricesLAPACKfloating-pointlow-profile matricesnonnegative diagonal

Mathematics Subject Classification ID

Complexity and performance of numerical algorithms (65Y20) Direct numerical methods for linear systems and matrix inversion (65F05)

Uses Software

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