LAPACK  3.6.0
LAPACK: Linear Algebra PACKage
dlatrd.f File Reference

Functions/Subroutines

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...