# NAG AD LibraryF07 (Lapacklin)Linear Equations (LAPACK)

F07 (Lapacklin) Chapter Introduction (FL Interface) – A description of the Chapter and an overview of the algorithms available.

Routine
Mark of
Introduction

Purpose
$LU$ factorization of real $m$ by $n$ matrix
$LU$ factorization of real tridiagonal matrix
Solves a real tridiagonal system of linear equations using the $LU$ factorization computed by f07cd_a1w_f