QR decomposition.  
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Functions | 
| Disposable< std::vector< Size > > | qrDecomposition (const Matrix &A, Matrix &q, Matrix &r, bool pivot=true) | 
|  | QR decompoisition. 
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| Disposable< Array > | qrSolve (const Matrix &a, const Array &b, bool pivot=true, const Array &d=Array()) | 
|  | QR Solve. 
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Detailed Description