Rational minimax approximation via adaptive barycentric representations

Rational minimax approximation via adaptive barycentric representations

Computing rational minimax approximations can be very challenging when there are singularities on or near the interval of approximation - precisely the case where rational functions outperform polynomials by a landslide. We show that far more robust algorithms than previously available can be develo...

書誌詳細
主要な著者:	Filip, S, Nakatsukasa, Y, Trefethen, L, Beckermann, B
フォーマット:	Journal article
出版事項:	Society for Industrial and Applied Mathematics 2018

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