Further Examples: QRDecomposition

Performing a QR decomposition on this x matrix yields a pair of matrices.

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This checks the result.

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The same can be done for inexact matrices.

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This checks the result.

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Using QRDecomposition to get least-squares solutions of overdetermined systems

Here is a x matrix and a ­vector.

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The following system of equations is overdetermined.

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This uses QRDecomposition to give a least-squares solution.

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This shows how close is to rhs.

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