Example image of eyePlorer eyePlorer map for 'Lagrange multipliers': Constraint (mathematics) Function (mathematics) Joseph Louis Lagrange Optimization (mathematics) Stationary point Necessary and sufficient condition Contour line Contact (mathematics) Tangent vector Gradient Critical point (mathematics) If and only if Karush–Kuhn–Tucker conditions Action (physics) Lagrangian mechanics Level set Maxima and minima Entropy (information theory) Probability distribution Without loss of generality Economics Budget constraint Consumer theory Utility Income Marginal utility Shadow price Convex optimization Lagrange multipliers on Banach spaces Calculus of variations FETI-DP Point on plane closest to origin Constraint algorithm Hugh Everett III Lagrangian (disambiguation) Mortar methods Costate equations Mark Oliver Everett Partition function (quantum field theory) ADM formalism Chemical potential Plebanski action Active set Sequential quadratic programming Gossen's second law Highly optimized tolerance Second class constraints DIIS Hunter–Saxton equation Lattice Density Functional Theory