A Fourier Companion Matrix (Multiplication Matrix) with Real-Valued Elements: Finding the Roots of a Trigonometric Polynomial by Matrix Eigensolving
DOI10.4208/NMTMA.2013.1220NMzbMath1299.42001OpenAlexW2804504622WikidataQ128349965 ScholiaQ128349965MaRDI QIDQ4980821
Publication date: 30 June 2014
Published in: Numerical Mathematics: Theory, Methods and Applications (Search for Journal in Brave)
Full work available at URL: https://doi.org/10.4208/nmtma.2013.1220nm
Trigonometric approximation (42A10) Numerical computation of solutions to single equations (65H05) Convolution, factorization for one variable harmonic analysis (42A85) Numerical methods for trigonometric approximation and interpolation (65T40) Trigonometric polynomials, inequalities, extremal problems (42A05)
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