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• W2924173634 abstract "Summary In many linear parameter estimation problems, one can use the mixed least squares–total least squares (MTLS) approach to solve them. This paper is devoted to the perturbation analysis of the MTLS problem. Firstly, we present the normwise, mixed, and componentwise condition numbers of the MTLS problem, and find that the normwise, mixed, and componentwise condition numbers of the TLS problem and the LS problem are unified in the ones of the MTLS problem. In the analysis of the first‐order perturbation, we first provide an upper bound based on the normwise condition number. In order to overcome the problems encountered in calculating the normwise condition number, we give an upper bound for computing more effectively for the MTLS problem. As two estimation techniques for solving the linear parameter estimation problems, interesting connections between their solutions, their residuals for the MTLS problem, and the LS problem are compared. Finally, some numerical experiments are performed to illustrate our results." @default.
• W2924173634 created "2019-04-01" @default.
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• W2924173634 date "2019-03-19" @default.
• W2924173634 modified "2023-10-13" @default.
• W2924173634 title "Perturbation analysis for mixed least squares–total least squares problems" @default.
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• W2924173634 doi "https://doi.org/10.1002/nla.2239" @default.
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