A shape-preserving quasi-interpolation operator satisfying quadratic polynomial reproduction property to scattered data

  • Authors:
  • Renzhong Feng;Feng Li

  • Affiliations:
  • Department of Mathematics, Beijing University of Aeronutics and Astronautics, Beijing 100083, PR China and Key Laboratory of Mathematics, Informatics and Behavioral Semantics, Ministry of Educatio ...;Department of Mathematics, Beijing University of Aeronutics and Astronautics, Beijing 100083, PR China and Key Laboratory of Mathematics, Informatics and Behavioral Semantics, Ministry of Educatio ...

  • Venue:
  • Journal of Computational and Applied Mathematics
  • Year:
  • 2009

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Abstract

Multirate time stepping is a numerical technique for efficiently solving large-scale ordinary differential equations (ODEs) with widely different time scales localized over the components. This technique enables one to use large time steps for slowly ...