AAA rational approximation on a continuum

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. This enables fast computation of high-accuracy rati...

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Bibliographic Details
Main Authors: Driscoll, T, Nakatsukasa, Y, Trefethen, LN
Format: Journal article
Language:English
Published: Society for Industrial and Applied Mathematics 2024