A Gaussian method for the square root of accretive operators

DOI10.1515/cmam-2022-0033arXiv2202.01622OpenAlexW4293724577WikidataQ114053149 ScholiaQ114053149MaRDI QIDQ6157117

Publication date: 19 June 2023

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

Full work available at URL: https://arxiv.org/abs/2202.01622

zbMATH Keywords

fractional powers Gaussian quadrature rule regularly accretive operators

Mathematics Subject Classification ID

Linear operator approximation theory (47A58) Numerical quadrature and cubature formulas (65D32) Numerical computation of matrix exponential and similar matrix functions (65F60)

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Is Gauss Quadrature Better than Clenshaw–Curtis?

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