zsytrs_aa_2stage.f - Online Linux Manual Page

Section : 3
Updated : Tue Nov 14 2017
Source : Version 3.8.0
Note : LAPACK
NAMEzsytrs_aa_2stage.f
SYNOPSIS
Functions/Subroutinessubroutine zsytrs_aa_2stage (UPLO, N, NRHS, A, LDA, TB, LTB, IPIV, IPIV2, B, LDB, INFO)
ZSYTRS_AA_2STAGE
Function/Subroutine Documentation
subroutine zsytrs_aa_2stage (character UPLO, integer N, integer NRHS, complex*16, dimension( lda, * ) A, integer LDA, complex*16, dimension( * ) TB, integer LTB, integer, dimension( * ) IPIV, integer, dimension( * ) IPIV2, complex*16, dimension( ldb, * ) B, integer LDB, integer INFO)ZSYTRS_AA_2STAGE Purpose: ZSYTRS_AA_2STAGE solves a system of linear equations A*X = B with a complex symmetric matrix A using the factorization A = U*T*U**T or A = L*T*L**T computed by ZSYTRF_AA_2STAGE.Parameters: UPLO UPLO is CHARACTER*1 Specifies whether the details of the factorization are stored as an upper or lower triangular matrix. = 'U': Upper triangular, form is A = U*T*U**T; = 'L': Lower triangular, form is A = L*T*L**T.
N N is INTEGER The order of the matrix A. N >= 0.
NRHS NRHS is INTEGER The number of right hand sides, i.e., the number of columns of the matrix B. NRHS >= 0.
A A is COMPLEX*16 array, dimension (LDA,N) Details of factors computed by ZSYTRF_AA_2STAGE.
LDA LDA is INTEGER The leading dimension of the array A. LDA >= max(1,N).
TB TB is COMPLEX*16 array, dimension (LTB) Details of factors computed by ZSYTRF_AA_2STAGE.
LTB The size of the array TB. LTB >= 4*N.
IPIV IPIV is INTEGER array, dimension (N) Details of the interchanges as computed by ZSYTRF_AA_2STAGE.
IPIV2 IPIV2 is INTEGER array, dimension (N) Details of the interchanges as computed by ZSYTRF_AA_2STAGE.
B B is COMPLEX*16 array, dimension (LDB,NRHS) On entry, the right hand side matrix B. On exit, the solution matrix X.
LDB LDB is INTEGER The leading dimension of the array B. LDB >= max(1,N).
INFO INFO is INTEGER = 0: successful exit < 0: if INFO = -i, the i-th argument had an illegal valueAuthor: Univ​. of Tennessee Univ​. of California Berkeley Univ​. of Colorado Denver NAG Ltd​. Date: November 2017 Definition at line 140 of file zsytrs_aa_2stage​.f​.
AuthorGenerated automatically by Doxygen for LAPACK from the source code​. 0
Johanes Gumabo
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