The Caratheodory-Fejer Method for Real Rational Approximation,

Abstract

A 'Caratheodory-Fejer method' is presented for near-best real rational approximation on intervals, based on the eigenvalue (or singular value) analysis of a Hankel matrix of Chebyshev coefficients.

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Document Details

Document Type
Technical Report
Publication Date
Oct 01, 1981
Accession Number
ADA110208

Entities

People

  • Lloyd N. Trefethen
  • Martin H. Gutknecht

Organizations

  • Stanford University

Tags

Communities of Interest

  • Air Platforms

DTIC Thesaurus Topics

  • Accuracy
  • Analytic Functions
  • Chebyshev Approximations
  • Chebyshev Polynomials
  • Coefficients
  • Complex Variables
  • Computations
  • Computer Science
  • Eigenvalues
  • Errors
  • Fast Fourier Transforms
  • Information Processing
  • Meromorphic Functions
  • Numerical Analysis
  • Polynomials
  • Rational Functions
  • Theorems

Readers

  • Linear Algebra