version 1.15, 2017/06/17 10:53:48
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version 1.19, 2023/08/07 08:38:48
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*> \verbatim |
*> \verbatim |
*> |
*> |
*> DGELQF computes an LQ factorization of a real M-by-N matrix A: |
*> DGELQF computes an LQ factorization of a real M-by-N matrix A: |
*> A = L * Q. |
*> |
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*> A = ( L 0 ) * Q |
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*> |
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*> where: |
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*> |
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*> Q is a N-by-N orthogonal matrix; |
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*> L is a lower-triangular M-by-M matrix; |
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*> 0 is a M-by-(N-M) zero matrix, if M < N. |
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*> |
*> \endverbatim |
*> \endverbatim |
* |
* |
* Arguments: |
* Arguments: |
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*> \author Univ. of Colorado Denver |
*> \author Univ. of Colorado Denver |
*> \author NAG Ltd. |
*> \author NAG Ltd. |
* |
* |
*> \date December 2016 |
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* |
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*> \ingroup doubleGEcomputational |
*> \ingroup doubleGEcomputational |
* |
* |
*> \par Further Details: |
*> \par Further Details: |
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* ===================================================================== |
* ===================================================================== |
SUBROUTINE DGELQF( M, N, A, LDA, TAU, WORK, LWORK, INFO ) |
SUBROUTINE DGELQF( M, N, A, LDA, TAU, WORK, LWORK, INFO ) |
* |
* |
* -- LAPACK computational routine (version 3.7.0) -- |
* -- LAPACK computational routine -- |
* -- LAPACK is a software package provided by Univ. of Tennessee, -- |
* -- LAPACK is a software package provided by Univ. of Tennessee, -- |
* -- Univ. of California Berkeley, Univ. of Colorado Denver and NAG Ltd..-- |
* -- Univ. of California Berkeley, Univ. of Colorado Denver and NAG Ltd..-- |
* December 2016 |
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* |
* |
* .. Scalar Arguments .. |
* .. Scalar Arguments .. |
INTEGER INFO, LDA, LWORK, M, N |
INTEGER INFO, LDA, LWORK, M, N |