Abstract
An efficient method based on the projection theorem, the generalized singular value decomposition and the canonical correlation decomposition is presented to find the least-squares solution with the minimum-norm for the matrix equation A T XB+B T X T A = D. Analytical solution to the matrix equation is also derived. Furthermore, we apply this result to determine the least-squares symmetric and sub-antisymmetric solution of the matrix equation C T XC = D with minimum-norm. Finally, some numerical results are reported to support the theories established in this paper.
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Supported in part by Natural Science Fund of Hunan Province (No. 03JJY6028) and National Natural Science Foundation of China (No. 10171032).
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Liao, Ap., Lei, Y. & Hu, Xy. Least-Squares Solution with the Minimum-Norm for the Matrix Equation A T XB+B T X T A = D and Its Applications. Acta Mathematicae Applicatae Sinica, English Series 23, 269–280 (2007). https://doi.org/10.1007/s10255-007-0369-0
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DOI: https://doi.org/10.1007/s10255-007-0369-0
Keywords
- Matrix equation
- minimum-norm solution
- generalized singular value decomposition
- canonical correlation decomposition