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{he,sy}trd_hb2st: band to tridiagonal (2nd stage)
LAPACK » Hermitian/symmetric eigenvalues » Eig computational routines
Collaboration diagram for {he,sy}trd_hb2st: band to tridiagonal (2nd stage):

## Functions

subroutine | chetrd_hb2st (stage1, vect, uplo, n, kd, ab, ldab, d, e, hous, lhous, work, lwork, info)
| CHETRD_HB2ST reduces a complex Hermitian band matrix A to real symmetric tridiagonal form T
subroutine | dsytrd_sb2st (stage1, vect, uplo, n, kd, ab, ldab, d, e, hous, lhous, work, lwork, info)
| DSYTRD_SB2ST reduces a real symmetric band matrix A to real symmetric tridiagonal form T
subroutine | ssytrd_sb2st (stage1, vect, uplo, n, kd, ab, ldab, d, e, hous, lhous, work, lwork, info)
| SSYTRD_SB2ST reduces a real symmetric band matrix A to real symmetric tridiagonal form T
subroutine | zhetrd_hb2st (stage1, vect, uplo, n, kd, ab, ldab, d, e, hous, lhous, work, lwork, info)
| ZHETRD_HB2ST reduces a complex Hermitian band matrix A to real symmetric tridiagonal form T

## Detailed Description