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Abstract: ABSTRACT: We introduce a unifying formulation of a number of related probLems which can all be solved using a contour integral formula. Each of these problems requires finding a non-trivial linear combination of possibly some of the values of a function f, and possibly some of its derivatives, at a number of data points. This linear combination is required to have zero value when f is a polynomial of up to a specific degree p. Examples of this type of problem include Lagrange, Hermite and Hermite?Birkhoff interpolation; fixed-denominator rational interpolation; and various numerical quadrature and differentiation formulae. Other applications include the estimation of missing data and root-finding.
Authorship: Butcher J., Corless R., Gonzalez-Vega L., Shakoori A.,
Fuente: Numerical Algorithms, 2011, 56(3) 319-347
Publisher: Springer
Publication date: 01/03/2011
No. of pages: 29
Publication type: Article
DOI: 10.1007/s11075-010-9385-x
ISSN: 1017-1398,1572-9265
Publication Url: https://doi.org/10.1007/s11075-010-9385-x
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BUTCHER, JOHN C.
CORLESS, ROBERT M.
LAUREANO GONZALEZ VEGA
AZAR SHAKOORI
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