Abstract
This paper establishes some perturbation analysis for the tensor inverse, the tensor Moore-Penrose inverse, and the tensor system based on the t-product. In the settings of structured perturbations, we generalize the Sherman-Morrison-Woodbury (SMW) formula to the t-product tensor scenarios. The SMW formula can be used to perform the sensitivity analysis for a multilinear system of equations.
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Acknowledgements
The authors would like to thank two anonymous referees for their useful comments which led to significant improvements. We also deeply appreciate feedback on an earlier version of this manuscript from Professor Eric King-Wah Chu. This work is supported by the National Natural Science Foundation of China under grant number 11801534.
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Cao, Z., Xie, P. Perturbation Analysis for t-Product-Based Tensor Inverse, Moore-Penrose Inverse and Tensor System. Commun. Appl. Math. Comput. 4, 1441–1456 (2022). https://doi.org/10.1007/s42967-022-00186-1
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DOI: https://doi.org/10.1007/s42967-022-00186-1
Keywords
- Perturbation analysis
- Moore-Penrose inverse
- tensor inverse
- Multilinear system
- Sherman-Morrison-Woodbury (SMW) formula