Rational approximation of Stieltjes functions by the Carathéodory-Fejér method
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Publication:580605
DOI10.1007/BF01890552zbMath0626.41007MaRDI QIDQ580605
Publication date: 1987
Published in: Constructive Approximation (Search for Journal in Brave)
Carathéodory-Fejér methodcomplex optimal error functionnear circularityrational approximation of Stieltjes functions
Best approximation, Chebyshev systems (41A50) Approximation in the complex plane (30E10) Approximation by rational functions (41A20)
Related Items
On the rational approximation of Markov functions, with applications to the computation of Markov functions of Toeplitz matrices ⋮ Extremal rational functions on symmetric discrete sets and superlinear convergence of the ADI method ⋮ On the Singular Values of Matrices with Displacement Structure ⋮ On rational approximation of Markov functions by partial sums of Fourier series on a Chebyshev-Markov system ⋮ On rational approximation of Markov functions on finite sets ⋮ Rows and diagonals of the Walsh array for entire functions with smooth Maclaurin series coefficients ⋮ Bounds on the Singular Values of Matrices with Displacement Structure ⋮ Uniform approximations of Stieltjes functions by orthogonal projection on the set of rational functions
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- On the Convergence of Sequences of Rational Approximations to Analytic Functions of a Certain Class
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