Conditioning of Partial Nonuniform Fourier Matrices with Clustered Nodes
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Publication:5217102
DOI10.1137/18M1212197zbMath1432.65050arXiv1809.00658MaRDI QIDQ5217102
Gil Goldman, Laurent Demanet, Dmitry Batenkov, Yosef Yomdin
Publication date: 21 February 2020
Published in: SIAM Journal on Matrix Analysis and Applications (Search for Journal in Brave)
Full work available at URL: https://arxiv.org/abs/1809.00658
singular valuesVandermonde matrixsuperresolutiondecimationprolate matrixpartial Fourier matrixnodes on the unit circle
Ill-posedness and regularization problems in numerical linear algebra (65F22) Signal theory (characterization, reconstruction, filtering, etc.) (94A12) Eigenvalues, singular values, and eigenvectors (15A18) Numerical computation of matrix norms, conditioning, scaling (65F35) Positive definite functions in one variable harmonic analysis (42A82)
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