version 1.7, 2010/12/21 13:53:50
|
version 1.8, 2011/07/22 07:38:17
|
Line 1
|
Line 1
|
SUBROUTINE ZLAQHB( UPLO, N, KD, AB, LDAB, S, SCOND, AMAX, EQUED ) |
SUBROUTINE ZLAQHB( UPLO, N, KD, AB, LDAB, S, SCOND, AMAX, EQUED ) |
* |
* |
* -- LAPACK auxiliary routine (version 3.2) -- |
* -- LAPACK auxiliary routine (version 3.3.1) -- |
* -- 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..-- |
* November 2006 |
* -- April 2011 -- |
* |
* |
* .. Scalar Arguments .. |
* .. Scalar Arguments .. |
CHARACTER EQUED, UPLO |
CHARACTER EQUED, UPLO |
Line 18
|
Line 18
|
* Purpose |
* Purpose |
* ======= |
* ======= |
* |
* |
* ZLAQHB equilibrates a symmetric band matrix A using the scaling |
* ZLAQHB equilibrates a Hermitian band matrix A |
* factors in the vector S. |
* using the scaling factors in the vector S. |
* |
* |
* Arguments |
* Arguments |
* ========= |
* ========= |
Line 46
|
Line 46
|
* if UPLO = 'L', AB(1+i-j,j) = A(i,j) for j<=i<=min(n,j+kd). |
* if UPLO = 'L', AB(1+i-j,j) = A(i,j) for j<=i<=min(n,j+kd). |
* |
* |
* On exit, if INFO = 0, the triangular factor U or L from the |
* On exit, if INFO = 0, the triangular factor U or L from the |
* Cholesky factorization A = U'*U or A = L*L' of the band |
* Cholesky factorization A = U**H *U or A = L*L**H of the band |
* matrix A, in the same storage format as A. |
* matrix A, in the same storage format as A. |
* |
* |
* LDAB (input) INTEGER |
* LDAB (input) INTEGER |