Perturbation of systems of linear algebraic equations ∗ |
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| Authors: | Jiu Ding |
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| Institution: | Department of Mathematics , The University of Southern Mississippi , Hattiesburg, MS, 39406-5045, USA |
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| Abstract: | A classical perturbation result for nonsingular systems of linear algebraic equations is extended to general consistent systems under any norm. An optimal perturbation result is also obtained for general linear least squares problems under a Euclidean norm. |
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| Keywords: | Least squares solution generalized inverse AMS Subject Classifications: 15A09 65F20 |
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