LAPACK 3.12.1
LAPACK: Linear Algebra PACKage
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Functions
{hp,sp}trd: reduction to tridiagonal
LAPACK » Hermitian/symmetric eigenvalues » Eig computational routines
Collaboration diagram for {hp,sp}trd: reduction to tridiagonal:

Functions

subroutine chptrd (uplo, n, ap, d, e, tau, info)
 CHPTRD
 
subroutine dsptrd (uplo, n, ap, d, e, tau, info)
 DSPTRD
 
subroutine ssptrd (uplo, n, ap, d, e, tau, info)
 SSPTRD
 
subroutine zhptrd (uplo, n, ap, d, e, tau, info)
 ZHPTRD
 

Detailed Description