Chebyshev approximation via polynomial mappings and the convergence behaviour of Krylov subspace methods

zbMath0978.41004MaRDI QIDQ5942488

Bernd Fischer, Franz Peherstorfer

Publication date: 16 September 2001

Published in: ETNA. Electronic Transactions on Numerical Analysis (Search for Journal in Brave)

Full work available at URL: https://eudml.org/doc/121557

zbMATH Keywords

convergence rateextreme signatureoptimal polynomial

Mathematics Subject Classification ID

Approximation in the complex plane (30E10) Iterative numerical methods for linear systems (65F10) Approximation by polynomials (41A10)

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