The extended symmetric block Lanczos method for matrix-valued Gauss-type quadrature rules

DOI10.1016/j.cam.2021.114037zbMath1490.65084OpenAlexW4205538777WikidataQ114201920 ScholiaQ114201920MaRDI QIDQ2075961

Khalide Jbilou, M. El Ghomari, Lothar Reichel, Abdeslem Hafid Bentbib

Publication date: 16 February 2022

Published in: Journal of Computational and Applied Mathematics (Search for Journal in Brave)

Full work available at URL: https://doi.org/10.1016/j.cam.2021.114037

zbMATH Keywords

Gauss quadratureLaurent polynomialmatrix functionanti-Gauss quadratureextended block Krylov subspace

Mathematics Subject Classification ID

Numerical quadrature and cubature formulas (65D32) Matrix exponential and similar functions of matrices (15A16) Numerical computation of matrix exponential and similar matrix functions (65F60)

Uses Software

• blgaussexp

Cites Work

• Unnamed Item
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• The Block Rational Arnoldi Method
• Numerical Methods for Electronic Structure Calculations of Materials
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