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- W2909975894 abstract "Abstract In this paper, we present functional definitions of all types of generalized inverses related to the {1}-inverse, which is a continuation of the work of Campbell and Meyer (2009). According to these functional definitions, we further derive novel representations for all types of generalized inverses related to the {1}-inverse in terms of the bases for R(A*), N(A) and N(A*). Based on these representations, we present the corresponding algorithm for computing various generalized inverses related to the {1}-inverse of a matrix and analyze the computational complexity of our algorithm for a constant matrix. Finally, we implement our algorithm and several known algorithms for symbolic computation of the Moore-–Penrose inverse in the symbolic computational package MATHEMATICA and compare their running times. Numerical experiments show that our algorithm outperforms these known algorithms when applied to compute the Moore–Penrose inverse of one-variable rational matrices, but is not the best choice for two-variable rational matrices in practice." @default.
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- W2909975894 date "2019-05-01" @default.
- W2909975894 modified "2023-09-28" @default.
- W2909975894 title "An efficient method to compute different types of generalized inverses based on linear transformation" @default.
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- W2909975894 doi "https://doi.org/10.1016/j.amc.2018.12.064" @default.
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