AAA rational approximation has normally been carried out on a discrete set, typically hundreds or thousands of points in a real interval or complex domain. Here we introduce a continuum AAA algorithm that discretizes a domain adaptively as it goes.
May 5, 2023 · This enables fast computation of high-accuracy rational approximations on domains such as the unit interval, the unit circle, and the imaginary ...
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May 5, 2023 · This enables fast computation of high-accuracy rational approximations on domains such as the unit interval, the unit circle, and the imaginary ...
The AAA algorithm is a numerical method for rational approximation of a func- tion f on a real or complex domain. The three of us introduced the method in 2018 ...
Here we introduce a continuum AAA algorithm that discretizes a domain adaptively as it goes. This enables fast computation of high-accuracy rational ...
The AAA algorithm introduced in this paper can be used to find rational approximations either to a specified accuracy or of a specified rational type such as ( ...
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May 10, 2023 · Bibliographic details on AAA rational approximation on a continuum.
Mar 14, 2024 · In this paper, we recommend AAA approximation as a method for univariate and multivariate analytic continuation. ... ... Specifically, we ...
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.
Mar 11, 2024 · SIAM Journal on Scientific Computing, Volume 46, Issue 2, Page A929-A952, April 2024. Abstract. AAA rational approximation has normally been ...