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Fast inversion algorithms for diagonal plus semiseparable matrices

✍ Scribed by Y. Eidelman; I. Gohberg

Publisher
SP Birkhäuser Verlag Basel
Year
1997
Tongue
English
Weight
782 KB
Volume
27
Category
Article
ISSN
0378-620X

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A look-ahead block schur algorithm for d
A look-ahead block schur algorithm for diagonal plus semiseparable matrices
✍ Y. Eidelman; I. Gohberg 📂 Article 📅 1998 🏛 Elsevier Science 🌐 English ⚖ 533 KB

A look-ahead recumive algorithm for the block triangular factorization of matrices represented as a sum of diagonal and semiseparable ones is derived. This factorization is used for fast solving of the corresponding linear system. For the case of sizes of diagonal blocks not depending on dimension o