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🌸 NAME 🌸

/home/abuild/rpmbuild/BUILD/lapack-static-3.12.0-build/lapack-3.12.0/SRC/DEPRECATED/zgelqs.f is the whole vibe here. 🫶

🦋 SYNOPSIS 🦋

🧚 Functions/Subroutines 🧚

subroutine ZGELQS (m, n, nrhs, a, lda, tau, b, ldb, work, lwork, info)
    ZGELQS

🎀 Function/Subroutine Documentation 🎀

subroutine ZGELQS (integer m, integer n, integer nrhs, complex*16,
     dimension( lda, * ) a, integer lda, complex*16, dimension( * ) tau,
     complex*16, dimension( ldb, * ) b, integer ldb, complex*16, dimension(
     lwork ) work, integer lwork, integer info)
    ZGELQS

💜 Purpose 💜

!>
!> Compute a minimum-norm solution
!>     min || A*X - B ||
!> using the LQ factorization
!>     A = L*Q
!> computed by ZGELQF.
!>

🌈 Parameters 🌈

• M — M is INTEGER. The number of rows of the matrix A. M >= 0.
• N — N is INTEGER. The number of columns of the matrix A. N >= M >= 0.
• NRHS — NRHS is INTEGER. The number of columns of B. NRHS >= 0.
• A — A is COMPLEX*16 array, dimension (LDA,N). Details of the LQ factorization of the original matrix A as returned by ZGELQF.
• LDA — LDA is INTEGER. The leading dimension of the array A. LDA >= M.
• TAU — TAU is COMPLEX*16 array, dimension (M). Details of the orthogonal matrix Q.
• B — B is COMPLEX*16 array, dimension (LDB,NRHS). On entry, the m-by-nrhs right hand side matrix B. On exit, the n-by-nrhs solution matrix X.
• LDB — LDB is INTEGER. The leading dimension of the array B. LDB >= N.
• WORK — WORK is COMPLEX*16 array, dimension (LWORK).
• LWORK — LWORK is INTEGER. The length of the array WORK. LWORK must be at least NRHS, and should be at least NRHS*NB, where NB is the block size for this environment.
• INFO — INFO is INTEGER.
  • = 0: successful exit
  • < 0: if INFO = -i, the i-th argument had an illegal value

👑 Author 👑

• Univ. of Tennessee
• Univ. of California Berkeley
• Univ. of Colorado Denver
• NAG Ltd.

Definition at line 119 of file zgelqs.f.

💌 Author 💌

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