Triangular Matrix
An upper triangular matrix is defined by
|
(1) |
Written explicitly,
|
(2) |
A lower triangular matrix is defined by
|
(3) |
Written explicitly,
|
(4) |
See also
Hankel Matrix, Hessenberg Matrix, Hilbert Matrix, Lower Triangular Matrix, Matrix, Strictly Lower Triangular Matrix, Strictly Upper Triangular Matrix, Upper Triangular Matrix, Vandermonde Matrix
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References
Ayres, F. Jr. Schaum's Outline of Theory and Problems of Matrices. New York: Schaum, p. 10, 1962.
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Cite this as:
Weisstein, Eric W. "Triangular Matrix." From MathWorld--A Wolfram Resource. https://mathworld.wolfram.com/TriangularMatrix.html