Christoffel functions and mean convergence for Lagrange interpolation for exponential weights

  • Authors:

  • Yi Ge Pan

  • Affiliations:

  • Department of Mathematics, Hunan Normal University, Changsha, Hunan 410081, PR China

  • Venue:
  • Journal of Approximation Theory
  • Year:
  • 2007

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Abstract

For exponential weights, a necessary condition of weighted mean convergence for Lagrange interpolation is given.