Full length article: Computation of equilibrium measures

  • Authors:
  • Sheehan Olver

  • Affiliations:
  • -

  • Venue:
  • Journal of Approximation Theory
  • Year:
  • 2011

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Abstract

We present a new way of computing equilibrium measures numerically, based on the Riemann-Hilbert formulation. For equilibrium measures whose support is a single interval, the simple algorithm consists of a Newton-Raphson iteration where each step only involves fast cosine transforms. The approach is then generalized for multiple intervals.