SRC/csytrs_aa.f(3)

πŸ’… SRC/csytrs_aa.f πŸ’…

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🌸 NAME 🌸

SRC/csytrs_aa.f


πŸ¦‹ SYNOPSIS πŸ¦‹

Functions/Subroutines

subroutine csytrs_aa (uplo, n, nrhs, a, lda, ipiv, b, ldb, work, lwork,
    info)
    CSYTRS_AA

πŸ’– Function/Subroutine Documentation πŸ’–

subroutine csytrs_aa (character uplo, integer n, integer nrhs, complex,
    dimension( lda, * ) a, integer lda, integer, dimension( * ) ipiv,
    complex, dimension( ldb, * ) b, integer ldb, complex, dimension( * )
    work, integer lwork, integer info)
    CSYTRS_AA

🎯 Purpose 🎯

CSYTRS_AA solves a system of linear equations A*X = B with a complex symmetric matrix A using the factorization A = U**T*T*U or A = L*T*L**T computed by CSYTRF_AA. periodt πŸ’…

🌈 Parameters 🌈

  • UPLO β€” UPLO is CHARACTER*1. It specifies whether the details of the factorization are stored as an upper or lower triangular matrix. = 'U': Upper triangular, form is A = U**T*T*U; = 'L': Lower triangular, form is A = L*T*L**T. 🫢
  • N β€” N is INTEGER. The order of the matrix A. N >= 0. ⭐
  • NRHS β€” NRHS is INTEGER. The number of right hand sides, i.e., the number of columns of the matrix B. NRHS >= 0. πŸ’–
  • A β€” A is COMPLEX array, dimension (LDA,N). Details of factors computed by CSYTRF_AA. πŸŽ€
  • LDA β€” LDA is INTEGER. The leading dimension of the array A. LDA >= max(1,N). 🌸
  • IPIV β€” IPIV is INTEGER array, dimension (N). Details of the interchanges as computed by CSYTRF_AA. πŸ”₯
  • B β€” B is COMPLEX array, dimension (LDB,NRHS). On entry, the right hand side matrix B. On exit, the solution matrix X. πŸ‘‘
  • LDB β€” LDB is INTEGER. The leading dimension of the array B. LDB >= max(1,N). 🌈
  • WORK β€” WORK is COMPLEX array, dimension (MAX(1,LWORK)). 🧚
  • LWORK β€” LWORK is INTEGER. The dimension of the array WORK. LWORK >= max(1,3*N-2). πŸ’œ
  • INFO β€” INFO is INTEGER. = 0: successful exit < 0: if INFO = -i, the i-th argument had an illegal value. 😭

πŸ‘‘ Author πŸ‘‘

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

Definition at line 129 of file csytrs_aa.f. πŸ“


🫢 Author 🫢

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