minimaxApprox: Minimax Approximation of Functions by Polynomials and Rational Functions

Implements minimax approximation of functions via the Remez (1962) algorithm for polynomials and the Cody-Fraser-Hart (1968) <doi:10.1007/BF02162506> algorithm for rational functions, as well as their barycentric formulations: the Pachón-Trefethen (2009) <doi:10.1007/s10543-009-0240-1> algorithm for polynomials and the Filip-Nakatsukasa-Trefethen-Beckermann (2018) <doi:10.1137/17M1132409> algorithm for rational functions, which provide improved numerical stability at higher degrees and on wider intervals.

Version: 0.6.0
Imports: stats, graphics
Suggests: tinytest, covr, knitr, rmarkdown
Published: 2026-07-17
DOI: 10.32614/CRAN.package.minimaxApprox
Author: Avraham Adler ORCID iD [aut, cre, cph]
Maintainer: Avraham Adler <Avraham.Adler at gmail.com>
BugReports: https://github.com/aadler/minimaxApprox/issues
License: MPL-2.0
URL: https://github.com/aadler/minimaxApprox
NeedsCompilation: yes
Citation: minimaxApprox citation info
Materials: README, NEWS
In views: NumericalMathematics
CRAN checks: minimaxApprox results

Documentation:

Reference manual: minimaxApprox.html , minimaxApprox.pdf
Vignettes: Using minimaxApprox (source, R code)

Downloads:

Package source: minimaxApprox_0.6.0.tar.gz
Windows binaries: r-devel: minimaxApprox_0.5.0.zip, r-release: minimaxApprox_0.5.0.zip, r-oldrel: minimaxApprox_0.5.0.zip
macOS binaries: r-release (arm64): minimaxApprox_0.6.0.tgz, r-oldrel (arm64): minimaxApprox_0.6.0.tgz, r-release (x86_64): minimaxApprox_0.6.0.tgz, r-oldrel (x86_64): minimaxApprox_0.6.0.tgz
Old sources: minimaxApprox archive

Linking:

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