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单词 QR decomposition
释义
QR decomposition

Mathematics
  • Any square matrix M can be decomposed as M = QR, where Q is orthogonal and R is upper triangular. If M is invertible, then this decomposition is unique if we require the diagonal entries of R to be positive, and the decomposition can be achieved by applying the Gram-Schmidt method to the columns of M. Compare singular value decomposition.


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