Approximation orders and shape preserving properties of the multiquadric trigonometric B-spline quasi-interpolant
Approximation orders and shape preserving properties of the multiquadric trigonometric B-spline quasi-interpolant
复制标题
多重二次三角B样条准插值的逼近阶数和保形特性
DOI:
10.1016/j.camwa.2015.02.008
复制
发表时间:
2015-04
影响因子:
2.9
通讯作者:
Wu Zongmin
中科院分区:
文献类型:
--
作者:
Gao Wenwu;Wu Zongmin
The purpose of the paper is to derive some properties of the multiquadric trigonometric B-spline quasi-interpolant. Firstly, the paper captures its approximation orders for high-order derivatives. Based on the error estimate, one can choose the shape parameter properly such that the quasi-interpolant gives optimal approximations to high-order derivatives. Moreover, the approximation orders also show that (from the theoretical point of view) the considered quasi-interpolant can be applied when the approximation of high-order derivatives is needed, i.e., numerical solution of some PDEs, construction of Lyapunov function, etc. Secondly, the paper derives some shape preserving properties of the quasi-interpolant. These properties suggest that the quasi-interpolant may be used in the geometric modeling (CAD, CAM for instance) that requires shape preservation. Finally, to illustrate the validity of the results, some numerical examples are presented. Both theoretical and numerical results demonstrate that the quasi-interpolant cannot only provide excellent approximations to high-order derivatives, but also preserve the shapes well.
登录
查看更多内容
影响因子:
0.9
作者:
T. Lyche;L. Schumaker;Sonya S. Stanley
通讯作者:
T. Lyche;L. Schumaker;Sonya S. Stanley
DOI:
10.1002/nme.1620121010
发表时间:
1978-01-01
影响因子:
2.9
作者:
BABUSKA, I;RHEINBOLDT, WC
通讯作者:
RHEINBOLDT, WC
影响因子:
1.5
作者:
Liu, Shengjun;Wang, Charlie C. L.
通讯作者:
Wang, Charlie C. L.
DOI:
10.1016/j.camwa.2012.10.006
发表时间:
2013
期刊:
Comput. Math. Appl.
影响因子:
--
作者:
D. Barrera;A. Guessab;M. Ibáñez;O. Nouisser
通讯作者:
D. Barrera;A. Guessab;M. Ibáñez;O. Nouisser
DOI:
10.1016/j.matcom.2010.12.005
发表时间:
2011-06
期刊:
Math. Comput. Simul.
影响因子:
--
作者:
A. Abbadi;M. Ibáñez;D. Sbibih
通讯作者:
A. Abbadi;M. Ibáñez;D. Sbibih