Optimal ray sequences of rational functions connected with the Zolotarev problem

DOI10.1007/BF01263066zbMath0804.41014MaRDI QIDQ1330858

A. L. Levin, Edward B. Saff

Publication date: 10 August 1994

Published in: Constructive Approximation (Search for Journal in Brave)

zbMATH Keywords

Sylvester's equationnear optimal rational functions

Mathematics Subject Classification ID

Approximation in the complex plane (30E10) Approximation by rational functions (41A20) Capacity and harmonic measure in the complex plane (30C85) Potentials and capacities on other spaces (31C15)

Related Items (5)

A black-box rational Arnoldi variant for Cauchy-Stieltjes matrix functions ⋮ Iterative methods for \(X-AXB=C\) ⋮ On the generalized ADI method for the matrix equation \(X- AXB\)=\(C\) ⋮ The distribution of zeros and poles of asymptotically extremal rational functions for Zolotarev's problem ⋮ Rational Krylov approximation of matrix functions: Numerical methods and optimal pole selection

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• EQUILIBRIUM DISTRIBUTIONS AND DEGREE OF RATIONAL APPROXIMATION OF ANALYTIC FUNCTIONS
• Optimal Alternating Direction Implicit Parameters for Nonsymmetric Systems of Linear Equations
• Rational approximation in the complex plane and on the line
• ZOLOTAREV PROBLEMS CONNECTED WITH RATIONAL FUNCTIONS

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