Real zero isolation for trigonometric polynomials

DOI10.1145/131766.131775zbMath0892.65087OpenAlexW1982200310WikidataQ113310632 ScholiaQ113310632MaRDI QIDQ4371809

Achim Schweikard

Publication date: 9 February 1998

Published in: ACM Transactions on Mathematical Software (Search for Journal in Brave)

Full work available at URL: http://www.acm.org/pubs/contents/journals/toms/1992-18/

zbMATH Keywords

performancetrigonometric polynomialszero isolationexponential polynomialsalgebraic polynomialsperiodic functionshyperbolic polynomialstrigonometric zero

Mathematics Subject Classification ID

Zeros of polynomials, rational functions, and other analytic functions of one complex variable (e.g., zeros of functions with bounded Dirichlet integral) (30C15) Numerical computation of solutions to single equations (65H05) Numerical methods for trigonometric approximation and interpolation (65T40) Trigonometric polynomials, inequalities, extremal problems (42A05)

Related Items (2)

A comparison of companion matrix methods to find roots of a trigonometric polynomial ⋮ Computing the zeros, maxima and inflection points of Chebyshev, Legendre and Fourier series: solving transcendental equations by spectral interpolation and polynomial rootfinding

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