Matriz bidiagonal
Una matriz bidiagonal es una matriz con elementos distintos de cero tan solo a lo largo de su diagonal principal y de la primera superdiagonal o de la primera s…
Una matriz bidiagonal es una matriz con elementos distintos de cero tan solo a lo largo de su diagonal principal y de la primera superdiagonal o de la primera subdiagonal. Solo una de estas dos últimas puede estar ocupada.
Por ejemplo, la siguiente matriz es bidiagonal:
Cuando la primera superdiagonal está ocupada, la matriz se denomina bidiagonal superior. Cuando la primera subdiagonal está ocupada, la matriz se denomina bidiagonal inferior
La forma general:
Referencias
- Stewart, G. W. (2001) Matrix Algorithms, vol. II: Eigensystems. Society for Industrial and Applied Mathematics. ISBN 0-89871-503-2
Enlaces externos
- Algoritmos de alta performance para reducir la forma condensada (Hessenberg, tridiagonal, bidiagonal)
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