cpotrs.f(3) LAPACK cpotrs.f(3)NAMEcpotrs.f-
subroutine cpotrs (UPLO, N, NRHS, A, LDA, B, LDB, INFO)
subroutine cpotrs (characterUPLO, integerN, integerNRHS, complex,
dimension( lda, * )A, integerLDA, complex, dimension( ldb, * )B,
CPOTRS solves a system of linear equations A*X = B with a Hermitian
positive definite matrix A using the Cholesky factorization
A = U**H*U or A = L*L**H computed by CPOTRF.
UPLO is CHARACTER*1
= 'U': Upper triangle of A is stored;
= 'L': Lower triangle of A is stored.
N is INTEGER
The order of the matrix A. N >= 0.
NRHS is INTEGER
The number of right hand sides, i.e., the number of columns
of the matrix B. NRHS >= 0.
A is COMPLEX array, dimension (LDA,N)
The triangular factor U or L from the Cholesky factorization
A = U**H*U or A = L*L**H, as computed by CPOTRF.
LDA is INTEGER
The leading dimension of the array A. LDA >= max(1,N).
B is COMPLEX array, dimension (LDB,NRHS)
On entry, the right hand side matrix B.
On exit, the solution matrix X.
LDB is INTEGER
The leading dimension of the array B. LDB >= max(1,N).
INFO is INTEGER
= 0: successful exit
< 0: if INFO = -i, the i-th argument had an illegal value
Univ. of Tennessee
Univ. of California Berkeley
Univ. of Colorado Denver
Definition at line 111 of file cpotrs.f.
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Version 3.4.2 Tue Sep 25 2012 cpotrs.f(3)