Aug 16, 2019 · The new algorithm solves a wide range of problems on arbitrary domains in a fraction of a second of laptop time by a procedure consisting of two ...
We introduce a new algorithm for approximation by rational functions on a real or complex set of points, implementable in 40 lines of MATLAB and requiring no ...
[PDF] An Algorithm for Real and Complex Rational Minimax Approximation
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For real approximation on a real interval, best approximations exist and are unique and are characterized by an equioscillation condition.
Abstract. Rational minimax approximation of real functions on real intervals is an established topic, but when it comes to complex functions or domains, ...
Oct 13, 2020 · For real approximation on a real interval, best approximations exist and are unique and are characterized by an equioscillation condition.
The new algorithm solves a wide range of problems on arbitrary domains in a fraction of a second of laptop time by a procedure consisting of two steps. First, ...
Aug 16, 2019 · The new algorithm solves a wide range of problems on arbitrary domains in a fraction of a second of laptop time by a procedure consisting of two ...
The AAA algorithm, introduced in 2018, computes best or near-best rational approximations to functions or data on subsets of the real line or the complex plane.
Trefethen, An algorithm for real and complex rational minimax approximation, SIAM J. Sci. Comput. 42 (2020), no. 5, A3157–A3179. MR 4161312, DOI 10.1137 ...
An algorithm is presented for simultaneous magnitude and phase approximation of bivariate rational polynomials. The algorithm is reminiscent of the original ...