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Title: Lagrangian  
Author: World Heritage Encyclopedia
Language: English
Subject: Action (physics), Gauge theory, Automatic calculation of particle interaction or decay, Maupertuis' principle, Regularization (physics)
Publisher: World Heritage Encyclopedia


Lagrangian may refer to:


  • 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
    • The problem of maximizing the value of the Lagrangian function, in terms of the Lagrange-multiplier variable, is the Lagrangian 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


See also

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