Lagrangian

Look up Lagrangian in Wiktionary, the free dictionary.

Lagrangian may refer to:

Mathematics[edit]

• Lagrangian function, used to solve constrained minimization problems in optimization theory; see Lagrange multiplier
  • Lagrangian relaxation, the method of approximating a difficult constrained problem with an easier problem having an enlarged feasible set
  • Lagrangian dual problem, the problem of maximizing the value of the Lagrangian function, in terms of the Lagrange-multiplier variable; See Dual problem
• Lagrangian, a functional whose extrema are to be determined in the calculus of variations
• Lagrangian submanifold, a class of submanifolds in symplectic geometry
• Lagrangian system, a pair consisting of a smooth fiber bundle and a Lagrangian density

Physics[edit]

• Lagrangian (physics), a function in Lagrangian mechanics
• Lagrangian (field theory), a formalism in classical field theory
• Lagrangian point, a position in an orbital configuration of two large bodies
• Lagrangian coordinates, a way of describing the motions of particles of a solid or fluid in continuum mechanics
• Lagrangian coherent structure, distinguished surfaces of trajectories in a dynamical system

See also[edit]

• Joseph-Louis Lagrange (1736–1813), Italian mathematician and astronomer
• Lagrange (disambiguation)
• List of things named after Joseph-Louis Lagrange

This disambiguation page lists articles associated with the title Lagrangian.
If an internal link led you here, you may wish to change the link to point directly to the intended article.