Conjugate gradient-type method for the tensor linear system via the T-product and its application in the calculation of Moore-Penrose inverse

Baohua Huang

Applied Mathematics and Computation, 2024, vol. 472, issue C

Abstract: We develop a conjugate gradient-type method for solving a class of tensor linear system with a T-product structure. The finite termination of the proposed method is proven without considering the rounding error. As an application, we obtain the numerical approximation of the tensor Moore-Penrose inverse based on the tensor T-product by solving the tensor linear system that are considered. Some numerical experiments are given to show the performance of the proposed method including the application in the numerical calculation of the tensor Moore-Penrose inverse and the color image deblurring.

Keywords: Conjugate gradient-type method; Tensor linear system; T-product; Moore-Penrose inverse of tensors; Image deblurring (search for similar items in EconPapers)
Date: 2024
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Persistent link: https://EconPapers.repec.org/RePEc:eee:apmaco:v:472:y:2024:i:c:s0096300324000997

DOI: 10.1016/j.amc.2024.128627

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