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논문 기본 정보

저자정보
(Shandong University of Finance and Economics) (Shandong University) (Shandong University of Finance and Economics) (Shandong University of Finance and Economics) (Shandong University)
저널정보
(사)한국CDE학회 한국CDE학회 국제학술발표 논문집 한국CADCAM학회 2013 ACDDE
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    초록·키워드

    Spline surface is a very important part in Computer Aided Geometric Design. A bivariate rational interpolation spline surface based on function values has been constructed in[9]. It can achieve good approximation effect with parameters, but it would also make the surface control difficult. This paper deals with the constraint methods of partial derivative and directional derivative. the sufficient conditions to modified the partial derivative and directional derivative are derived. The partial derivative and directional derivative can be changed by selecting suitable parameters under the condition that the interpolating data are not changed. Numerical example are given to show how the parameters can be chosen and the shape of surface changed.

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      UCI(KEPA) : I410-ECN-0101-2015-500-000938609