tridiagonal
adjEtymology From tri- + diagonal.
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Linear algebra, Mathematics, Sciences Of a matrix Having nonzero elements only in the main diagonal and the diagonals directly above and below it.
- The following proposition shows a connection between negafibonacci numbers and the determinants of a family of tridiagonal matrices.2019 June 24, Juan Triana, “Negafibonacci Numbers via Matrices”, in Bulletin of TICMI, volume 23, number 1, →ISSN, archived from the original on 13 Jul 2019, Negafibonacci numbers as tridiagonal matrix determinants, page 3:
- Derived terms
- tridiagonality, tridiagonalization