LINDO

 LINGO

 LPL

LU decomposition

 Label correcting algorithm

 Label setting algorithm

Labeling algorithm

 Lagrange conditions

 Lagrange multiplier

Lagrange multiplier rule

 Lagrange multiplier theorem

 Lagrangian

Lagrangian duality

 Lagrangian relaxation

 Lagrangian saddlepoint equivalence

Lattice

 Lattice program

 Lattice search

Level set

 Levenberg Marquardt algorithm

 Lexicographic Ordering constraint

Lexicographic order

 Lifting

 Line search

Line segment

 Linear combination

 Linear convergence

Linear program

 Linearity interval

 Linearization

Lipschitz continuous

 Local convergence

 Local optimum

Locally convex function

 Location problem

 Lockbox problem

Logical variable

 Lot size problem

 Lower semicontinuity

Lower triangular matrix

