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A Quasi-Interpolation Satisfying Quadratic Polynomial Reproduction with Radial Basis Functions

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摘要 Inthispaper,anewquasi-interpolationwithradialbasisfunctionswhichsatis-fiesquadraticpolynomialreproductionisconstructedontheinfinitesetofequallyspaceddata.Anewbasisfunctionisconstructedbymakingconvolutionintegralwithaconstructedsplineandagivenradialbasisfunction.Inparticular,fortwicelydiffer-entiablefunctiontheproposedmethodprovidesbetterapproximationandalsotakescareofderivativesapproximation.

DOI 7dm671lvjn/569830

作者 Li Zha;Renzhong Feng

机构地区不详

出处《高等学校计算数学学报：英文版》 2007年4期

关键词二次方程多项式等距处理数据处理

分类 [理学][基础数学]

出版日期 2007年04月14日（中国期刊网平台首次上网日期，不代表论文的发表时间）

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来源期刊

高等学校计算数学学报：英文版

高等学校计算数学学报：英文版

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二次方程多项式等距处理数据处理

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