The Quadratic Eigenvalue Problem
SIAM Review
Ratio asymptotics for orthogonal rational functions on an interval
Journal of Approximation Theory
Generalizations of orthogonal polynomials
Journal of Computational and Applied Mathematics - Special issue: Proceedings of the conference on orthogonal functions and related topics held in honor of Olav Njåstad
The computation of orthogonal rational functions on an interval
Journal of Computational and Applied Mathematics - Special issue: Proceedings of the conference on orthogonal functions and related topics held in honor of Olav Njåstad
Algorithm 882: Near-Best Fixed Pole Rational Interpolation with Applications in Spectral Methods
ACM Transactions on Mathematical Software (TOMS)
Computing rational Gauss-Chebyshev quadrature formulas with complex poles: The algorithm
Advances in Engineering Software
The computation of orthogonal rational functions on an interval
Journal of Computational and Applied Mathematics - Special issue: Proceedings of the conference on orthogonal functions and related topics held in honor of Olav Njåstad
Generalizations of orthogonal polynomials
Journal of Computational and Applied Mathematics - Special issue: Proceedings of the conference on orthogonal functions and related topics held in honor of Olav Njåstad
Computing near-best fixed pole rational interpolants
Journal of Computational and Applied Mathematics
Computation of rational Szegő-Lobatto quadrature formulas
Applied Numerical Mathematics
Positive rational interpolatory quadrature formulas on the unit circle and the interval
Applied Numerical Mathematics
Full length article: An extension of the associated rational functions on the unit circle
Journal of Approximation Theory
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Rational functions with real poles and poles in the complex lower half-plane, orthogonal on the real line, are well known. Quadrature formulas similar to the Gauss formulas for orthogonal polynomials have been studied. We generalize to the case of arbitrary complex poles and study orthogonality on a finite interval. The zeros of the orthogonal rational functions are shown to satisfy a quadratic eigenvalue problem. In the case of real poles, these zeros are used as nodes in the quadrature formulas.