Last Updated
：2025/11/29
QR decomposition
（ plural ）
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(linear algebra) A decomposition of a matrix into a product of a unitary matrix (orthogonal matrix) and an upper-triangular matrix.
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QR decomposition
To solve the least-squares problem efficiently, we compute the QR decomposition of the design matrix and use back substitution.
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To solve the least-squares problem efficiently, we compute the QR decomposition of the design matrix and use back substitution.
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