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Algebraic Polynomial Approximation

  • Z. Ditzian
  • V. Totik
Part of the Springer Series in Computational Mathematics book series (SSCM, volume 9)

Abstract

In this chapter we relate the rate of convergence of best polynomial approximation to our new modulus of smoothness. Asymptotic behavior of the derivatives of the optimal algebraic polynomials will also be related to that modulus of smoothness. The results are of both direct and converse type and yield necessary and sufficient conditions whenever the rate of best approximation is n−α for instance.

Keywords

Error Bound Polynomial Approximation Trigonometric Polynomial Gaussian Quadrature Classical Modulus 
These keywords were added by machine and not by the authors. This process is experimental and the keywords may be updated as the learning algorithm improves.

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Copyright information

© Springer-Verlag New York Inc. 1987

Authors and Affiliations

  • Z. Ditzian
    • 1
  • V. Totik
    • 2
  1. 1.Department of MathematicsUniversity of AlbertaEdmontonCanada
  2. 2.Bolyai InstituteAttila Jozsef UniversitySzegedHungary

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