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

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

Routine
Mark of
Introduction

Purpose
Computes the solution to a real system of linear equations
$LU$ factorization of real $m×n$ matrix
Solution of real system of linear equations, multiple right-hand sides, matrix already factorized by f07ad
$LU$ factorization of complex $m×n$ matrix
Inverse of complex matrix, matrix already factorized by f07ar
Computes the solution to a real tridiagonal system of linear equations
$LU$ factorization of real tridiagonal matrix
Solves a real tridiagonal system of linear equations using the $LU$ factorization computed by f07cd
Cholesky factorization of real symmetric positive definite matrix
Solution of real symmetric positive definite system of linear equations, multiple right-hand sides, matrix already factorized by f07fd