Convexity-preserving using rational cubic spline interpolation

Karim, S.A.A. and Kong, V.P. (2014) Convexity-preserving using rational cubic spline interpolation. Research Journal of Applied Sciences, Engineering and Technology, 8 (3). pp. 312-320. ISSN 20407459

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Abstract

This study is a continuation of our previous paper. The rational cubic spline with three parameters has been used to preserves the convexity of the data. The sufficient condition for rational interpolant to be convex on entire subinterval will be developed. The constraint will be on one of the parameter with data dependent meanwhile the other are free parameters and will determine the final shape of the convex curves. Several numerical results will be presented to test the capability of the proposed rational interpolant scheme. Comparisons with the existing scheme also have been done. From all numerical results, the new rational cubic spline interpolant gives satisfactory results. © Maxwell Scientific Organization, 2014.

Item Type: Article
Additional Information: cited By 5
Depositing User: Mr Ahmad Suhairi UTP
Date Deposited: 09 Nov 2023 16:16
Last Modified: 09 Nov 2023 16:16
URI: https://khub.utp.edu.my/scholars/id/eprint/4833

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