A global solution for the structured total least squares problem with block circulant matrices

We study the structured total least squares (STLS) problem of system of linear equations Ax = b, where A has a block circulant structure with N blocks. We show that by applying the discrete Fourier transform (DFT), the STLS problem decomposes into Nunstructured total least squares (TLS) problems. Th...

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Veröffentlicht in:	SIAM journal on matrix analysis and applications 2005-01, Vol.27 (1), p.238-255
Hauptverfasser:	BECK, Amir, BEN-TAL, Aharon
Format:	Artikel
Sprache:	eng
Schlagworte:	Algorithms Decomposition Exact sciences and technology Fourier analysis Fourier transforms Linear equations Mathematics Numerical analysis Numerical analysis. Scientific computation Numerical linear algebra Sciences and techniques of general use Signal processing
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