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zbMATH Open
Article . 1992
Data sources: zbMATH Open
SIAM Journal on Numerical Analysis
Article . 1992 . Peer-reviewed
Data sources: Crossref
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Multivariate Divided Differences. I: Basic Properties

Multivariate divided differences. I: Basic properties
Authors: Neamtu, M.;

Multivariate Divided Differences. I: Basic Properties

Abstract

Within the theory of spline functions, there is always great interest in divided differences, since they provide one possibility to define \(B\)- splines, i.e. splines with minimal support. In the paper under consideration, which is part of the author's doctoral thesis, a new type of generalization of the univariate divided differences to the multivariate case is given. The definition of the multivariate divided difference is done via a pointwise evaluation of a suitable function of \(s\) vector variables. Furthermore, several interesting properties of the multivariate divided differences are derived, a new generalization of truncated power functions is given, and a link with simplex splines is established.

Country
Netherlands
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Keywords

Spline approximation, spline functions, \(B\)-splines, Multidimensional problems, simplex splines, multivariate divided difference, Numerical computation using splines

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selected citations
These citations are derived from selected sources.
This is an alternative to the "Influence" indicator, which also reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
BIP!Citations provided by BIP!
popularity
This indicator reflects the "current" impact/attention (the "hype") of an article in the research community at large, based on the underlying citation network.
BIP!Popularity provided by BIP!
influence
This indicator reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
BIP!Influence provided by BIP!
impulse
This indicator reflects the initial momentum of an article directly after its publication, based on the underlying citation network.
BIP!Impulse provided by BIP!
5
Average
Average
Average
bronze
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