Concept information
Preferred term
QR decomposition
Definition
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In linear algebra, a QR decomposition, also known as a QR factorization or QU factorization, is a decomposition of a matrix A into a product A = QR of an orthonormal matrix Q and an upper triangular matrix R. QR decomposition is often used to solve the linear least squares (LLS) problem and is the basis for a particular eigenvalue algorithm, the QR algorithm.
(Wikipedia, The Free Encyclopedia, https://en.wikipedia.org/wiki/QR_decomposition)
Broader concept
Synonym(s)
- QR factorization
- QU factorization
In other languages
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French
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décomposition QU
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factorisation QR
URI
http://data.loterre.fr/ark:/67375/PSR-F4F825C6-K
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