期刊
JOURNAL OF COMPUTATIONAL AND APPLIED MATHEMATICS
卷 403, 期 -, 页码 -出版社
ELSEVIER
DOI: 10.1016/j.cam.2021.113821
关键词
ANOVA decomposition; High-dimensional approximation; Chebyshev polynomials; Orthogonal polynomials
资金
- Deutsche Forschungsgemeinschaft (German Research Foundation) [416228727-SFB 1410]
- BMBF, Germany [01\S20053A]
This paper proposes a method for approximating high-dimensional functions over finite intervals using complete orthonormal systems of polynomials and multivariate classical analysis of variance (ANOVA) decomposition. For functions with low-dimensional structures, reconstruction from scattered data can be achieved while understanding relationships between different variables.
In this paper we propose a method for the approximation of high-dimensional functions over finite intervals with respect to complete orthonormal systems of polynomials. An important tool for this is the multivariate classical analysis of variance (ANOVA) decomposition. For functions with a low-dimensional structure, i.e., a low superposition dimension, we are able to achieve a reconstruction from scattered data and simultaneously understand relationships between different variables. (C) 2021 Elsevier B.V. All rights reserved.
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