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Weighted rational cubic spline interpolation and its application

Duan, Q., Djidjeli, K., Price, W.G. and Twizell, E.H. (2000) Weighted rational cubic spline interpolation and its application Journal of Computational and Applied Mathematics, 117, (2), pp. 121-135. (doi:10.1016/S0377-0427(99)00336-2).

Record type: Article

Abstract

In Qi Duan et al. (Korean J. Comput. Appl. Math. 6 (1) (1999) 203–215), the authors have discussed constrained interpolation problems by means of rational cubic spline interpolation with linear denominators, but there are still some cases in which the constrained interpolation cannot be solved. In this paper, the weighted rational cubic spline interpolation has been constructed using the rational cubic spline with linear denominator and the rational cubic spline based on function values. By these, the problems to constrain the weighted rational interpolation curves to lie strictly above or below a given piecewise linear curve and between two given piecewise linear curves can be solved completely. Also, the approximation properties of these weighted rational cubic splines are studied.

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More information

Published date: 2000
Keywords: rational spline, cubic spline, constrained interpolation, weighted rational interpolation, approximation

Identifiers

Local EPrints ID: 21532
URI: http://eprints.soton.ac.uk/id/eprint/21532
ISSN: 0377-0427
PURE UUID: 2800563d-2f09-4845-b146-2e707ab398b9

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Date deposited: 06 Feb 2007
Last modified: 17 Jul 2017 16:26

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Contributors

Author: Q. Duan
Author: K. Djidjeli
Author: W.G. Price
Author: E.H. Twizell

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