Triangular factor

In linear algebra, triangular factors are triangular matrices resulting from LU decomposition or QR decomposition.

In the QR decomposition, the resulting R matrix is a triangular factor. In the LU decomposition, the resulting L and U matrices are both triangular factors.

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External links

• Triangular Factors

Reference

R. H. Bartels and G. H. Golub, The simplex method of linear programming using the LU decomposition, Communications of the ACM, 12 (1969)