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Generalized inverse restricted by the normal Drazin equation |
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| Authors: | Predrag S Stanimirovi? Dimitrios Pappas Vasilios N Katsikis |
| Institution: | 1. Faculty of Sciences and Mathematics, University of Ni?, Ni?, Serbia.pecko@pmf.ni.ac.rs;3. Department of Statistics, Athens University of Economics and Business, Athens, Greece.;4. Department of Economics, Division of Mathematics and Informatics, National and Kapodistrian University of Athens, Greece. |
| Abstract: | |
| Keywords: | quadratic functional constrained optimization Moore–Penrose inverse Drazin inverse outer inverse |