dlagtf.f - Man Page

Synopsis

Functions/Subroutines

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.

Author

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Info

Mon Jun 28 2021 Version 3.10.0 LAPACK