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机译:A note on the structured perturbation analysis for the inversion formula of Toeplitz matrices
Southwestern University of Finance and Economics;
Sichuan Normal University;
Free University of Bozen-Bolzano;
Toeplitz matrix inversion; Structured perturbation analysis; Circulant matrix; Invertibility; Fast Fourier transform; 15B05; 15A09; 65G50;