A note on the condition number of the scaled total least squares problem
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DOI: 10.1007/s10092-018-0289-9
Abstract: In this paper, we show that the normwise condition number of the scaled total least squares problem can be transformed into a new and compact form. Considering the relationship between the scaled total least squares… read more here.
Keywords: squares problem; condition number; total least; least squares ... See more keywords
An efficient real representation method for least squares problem of the quaternion constrained matrix equation AXB + CY D = E
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DOI: 10.1080/00207160.2020.1821001
Abstract: Let and represent the sets of all η-Hermitian quaternion matrices and η-anti-Hermitian quaternion matrices, respectively. On the basis of the real representation matrix of a quaternion matrix and its particular structure, we convert the least… read more here.
Keywords: quaternion; squares problem; matrix equation; least squares ... See more keywords