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A study on multivariate interpolation by increasingly flat kernel functions
- Lee, Yeon Ju;
- Micchelli, Charles A.;
- Yoon, Jungho
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8초록
In this paper, we improve upon some observations made in recent papers on the subject of increasingly flat interpolation. We shall establish that the corresponding Lagrange functions converge both for a finite set of functions (collocation matrix) and also for kernels (Fredholm matrix). In our analysis, we use a finite Maclaurin expansion of a multivariate function with remainder and some additional matrix theoretic facts. (C) 2015 Elsevier Inc. All rights reserved.
키워드
Collocation matrix; Wronskian; Multivariate kernel interpolation; Cauchy-Binet formula; Radial basis function; l'Hospital's rule; RADIAL BASIS FUNCTION; CONVERGENCE; LIMIT
- 제목
- A study on multivariate interpolation by increasingly flat kernel functions
- 저자
- Lee, Yeon Ju; Micchelli, Charles A.; Yoon, Jungho
- 발행일
- 2015-07-01
- 유형
- Article
- 권
- 427
- 호
- 1
- 페이지
- 74 ~ 87