Laplacian of a graph
Lagragian of an optimization problem
Laplace formula for the determinant of a matrix
Largest singular value (LSV) norm of a matrix
Least-squares
Leibnitz formula for the determinant of a matrix
Left inverse of a matrix
Linear function
Linear matrix inequality
Linear program (LP)
Linear regression
Local optimum
Log-return of a financial asset
Log-sum-exp function
norms of a vector: norm, -norm (also called Euclidean norm), norm.
norm, or cardinality, of a vector.