Sampling inequalities for infinitely smooth radial basis functions and its application to error estimates

Mun Bae Lee, Jungho Yoon

Research output: Contribution to journalArticlepeer-review

Abstract

Recently, Rieger and Zwicknagl (2010) have introduced sampling inequalities for infinitely smooth functions to derive Sobolev-type error estimates. They introduced exponential convergence orders for functions within the native space associated with the given radial basis function (RBF). Our major concern of this paper is to extend the results made in Rieger and Zwicknagl (2010). We derive generalized sampling inequalities for the larger class of infinitely smooth RBFs, including multiquadrics, inverse multiquadrics, shifted surface splines and Gaussians.

Original languageEnglish
Pages (from-to)40-45
Number of pages6
JournalApplied Mathematics Letters
Volume36
DOIs
StatePublished - Oct 2014

Bibliographical note

Funding Information:
The authors are grateful to the anonymous referees for the valuable suggestions on this paper. Jungho Yoon was supported by Priority Research Centers Program 2009-0093827 through the National Research Foundation of Korea (NRF) funded by the Ministry of Education, Science and Technology .

Keywords

  • (Inverse) multiquadrics
  • Approximation order
  • Gaussian
  • Sampling inequality
  • Shifted surface spline

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