LAPACK  3.11.0
LAPACK: Linear Algebra PACKage
Functions
lagtf: LU factor of (T - λI)
LAPACK » Hermitian/symmetric eigenvalues » Standard eig driver, AV = VΛ, tridiagonal

Functions

subroutine dlagtf (N, A, LAMBDA, B, C, TOL, D, IN, INFO)
 DLAGTF computes an LU factorization of a matrix T-λI, where T is a general tridiagonal matrix, and λ a scalar, using partial pivoting with row interchanges. More...
 
subroutine slagtf (N, A, LAMBDA, B, C, TOL, D, IN, INFO)
 SLAGTF computes an LU factorization of a matrix T-λI, where T is a general tridiagonal matrix, and λ a scalar, using partial pivoting with row interchanges. More...
 

Detailed Description