LAPACK 3.12.0
LAPACK: Linear Algebra PACKage
Collaboration diagram for latrd: step in hetrd:

Functions

subroutine clatrd (UPLO, N, NB, A, LDA, E, TAU, W, LDW)
 CLATRD reduces the first nb rows and columns of a symmetric/Hermitian matrix A to real tridiagonal form by an unitary similarity transformation. More...
 
subroutine dlatrd (UPLO, N, NB, A, LDA, E, TAU, W, LDW)
 DLATRD reduces the first nb rows and columns of a symmetric/Hermitian matrix A to real tridiagonal form by an orthogonal similarity transformation. More...
 
subroutine slatrd (UPLO, N, NB, A, LDA, E, TAU, W, LDW)
 SLATRD reduces the first nb rows and columns of a symmetric/Hermitian matrix A to real tridiagonal form by an orthogonal similarity transformation. More...
 
subroutine zlatrd (UPLO, N, NB, A, LDA, E, TAU, W, LDW)
 ZLATRD reduces the first nb rows and columns of a symmetric/Hermitian matrix A to real tridiagonal form by an unitary similarity transformation. More...
 

Detailed Description