Finite-difference preconditioners for superconsistent
 pseudospectral approximations

Lorella Fatone; Daniele Funaro; Valentina Scannavini

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Displaying similar documents to “Finite-difference preconditioners for superconsistent pseudospectral approximations”

Strong convergence estimates for pseudospectral methods

Wilhelm Heinrichs (1992)

Applications of Mathematics

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Strong convergence estimates for pseudospectral methods applied to ordinary boundary value problems are derived. The results are also used for a convergence analysis of the Schwarz algorithm (a special domain decomposition technique). Different types of nodes (Chebyshev, Legendre nodes) are examined and compared.

Estimation of error in approximate numerical integration near a simple pole using Chebyshev points

Subhas Chandra Bose, Madhav Chandra Kundu (1980)

Aplikace matematiky

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In this note quadrature formula with error estimate for functions with simple pole is discussed. Chebyshev points of the second kind are used as the nodes of integration.