| Autor: |
Sofia Eriksson, Jonas Nordqvist |
| Jazyk: |
angličtina |
| Rok vydání: |
2024 |
| Předmět: |
|
| Zdroj: |
Results in Applied Mathematics, Vol 22, Iss , Pp 100463- (2024) |
| Druh dokumentu: |
article |
| ISSN: |
2590-0374 |
| DOI: |
10.1016/j.rinam.2024.100463 |
| Popis: |
Square matrices of the form A˜=A+eDf∗ are considered. An explicit expression for the inverse is given, provided A˜ and D are invertible with rank(A˜)=rank(A)+rank(eDf∗). The inverse is presented in two ways, one that uses singular value decomposition and another that depends directly on the components A, e, f and D. Additionally, a matrix determinant lemma for singular matrices follows from the derivations. |
| Databáze: |
Directory of Open Access Journals |
| Externí odkaz: |
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