Abstract
As a very effective research tool, the commutative quaternion least squares (LS) problems, especially the commutative quaternion total least squares (TLS) problems, have a wide range of potential applications in mathematical physics, telecommunications, and image processing. This paper studies the commutative quaternion TLS problem using the real and complex representation of a commutative quaternion matrix and gives two algorithms for solving the real and complex solutions of the commutative quaternion TLS problem in commutative quaternionic theory.
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The research of Tongsong Jiang and Zhenwei Guo is supported by the Ministry of Science and Higher Education of the Russian Federation, agreement No. 075-02-2024-1441, February 28, 2024 (sections 2, 3). The research of V.I. Vasil’ev and Dong Zhang is supported by the Russian Science Foundation grant No. 23-71-30013 (sections 4, 5). The research of Dong Zhang and Zhenwei Guo is supported by the Chinese Government Scholarship (CSC No. 202108370086, CSC No. 202108370087).
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Zhang, D., Jiang, T., Guo, Z. et al. Real and complex solutions of the total least squares problem in commutative quaternionic theory. Comp. Appl. Math. 43, 235 (2024). https://doi.org/10.1007/s40314-024-02755-x
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DOI: https://doi.org/10.1007/s40314-024-02755-x