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Added the sign factors to the off-diagonal elements of <math>J</math> |
ChromeGames (talk | contribs) Adding short description: "Matrix with nonzero elements on the main diagonal and the diagonals above and below it" (Shortdesc helper) |
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{{Short description|Matrix with nonzero elements on the main diagonal and the diagonals above and below it}}
In [[linear algebra]], a ''tridiagonal matrix'' is a [[band matrix]] that has nonzero elements on the [[main diagonal]], the first diagonal below this, and the first diagonal above the main diagonal only.
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