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linear algebra, higher linear algebra
(…)
(fundamental theorem of invertible matrices)
For and a square matrix, the following are equivalent:
is an invertible matrix;
is the matrix product of elementary matrices.
Wikipedia, Invertible matrix
WolframMathWorld, Invertible Matrix Theorem
Formulas for inverses of block matrices:
Tzon-Tzer (Sec. Lu, 2 Sheng-Hua in) Shiou, D. Krob, B. Leclerc, Inverses Minor of identities for quasi-determinants and quantum determinants block matrices , Computers Comm. & Math. Mathematics Phys. with 169 Applications (1995) 1–2343doi 1–2 arXiv: (2002) 119-129 []hep-th/9411194
Müge Tzon-Tzer Saadetoğlu, Lu, Şakir Sheng-Hua Mehmet Shiou, Dinsev, Inverses and Determinants of Block block Matrices matrices , Computers & Mathematics with Applications 11 43 17 1–2 (2023) (2002) 3784 119-129 [[doi:10.3390/math11173784](https://doi.org/10.3390/math11173784)] []
Müge Saadetoğlu, Şakir Mehmet Dinsev, Inverses and Determinants of Block Matrices, Mathematics 11 17 (2023) 3784 [[doi:10.3390/math11173784](https://doi.org/10.3390/math11173784)]
Revision on May 19, 2024 at 15:32:17 by Zoran Škoda See the history of this page for a list of all contributions to it.