A fast algorithm for multivariate Hermite interpolation
A fast algorithm for multivariate Hermite interpolation
复制标题
一种快速多元Hermite插值算法
DOI:
10.1007/s11766-014-3238-7
复制
发表时间:
2014-12
期刊:
影响因子:
--
通讯作者:
Yuxue Ren
中科院分区:
文献类型:
--
作者:
Na Lei;Yuan Teng;Yuxue Ren
Multivariate Hermite interpolation is widely applied in many fields, such as finite element construction, inverse engineering, CAD etc.. For arbitrarily given Hermite interpolation conditions, the typical method is to compute the vanishing idealI(the set of polynomials satisfying all the homogeneous interpolation conditions are zero) and then use a complete residue system moduloIas the interpolation basis. Thus the interpolation problem can be converted into solving a linear equation system. A generic algorithm was presented in [18], which is a generalization of BM algorithm [22] and the complexity isO(r3) whererrepresents the number of the interpolation conditions. In this paper we derive a method to obtain the residue system directly from the relative position of the points and the corresponding derivative conditions (presented by lower sets) and then use fast GEPP to solve the linear system withO((τ+ 3)r2) operations, whereτis the displacement-rank of the coefficient matrix. In the best caseτ= 1 and in the worst caseτ=r/n, wherenis the number of variables.
登录
查看更多内容
DOI:
10.1016/s0764-4442(00)87500-x
发表时间:
1999-11
期刊:
Comptes Rendus De L Academie Des Sciences Serie I-mathematique
影响因子:
--
作者:
Lamine Melkemi
通讯作者:
Lamine Melkemi
DOI:
10.1109/icassp.1980.1171074
发表时间:
1980-04
期刊:
--
影响因子:
--
作者:
M. Morf
通讯作者:
M. Morf
DOI:
10.1016/0012-365x(94)00126-4
发表时间:
1995-05
期刊:
Discret. Math.
影响因子:
--
作者:
L. Cerlienco;M. Mureddu
通讯作者:
L. Cerlienco;M. Mureddu
影响因子:
0.8
作者:
M. Lederer
通讯作者:
M. Lederer
影响因子:
2.1
作者:
M. Gasca;J. I. Maeztu
通讯作者:
M. Gasca;J. I. Maeztu