Look up Lagrangian in Wiktionary, the free dictionary. Lagrangian may refer to: Lagrangian function, used to solve constrained minimization problems in...

In physics, Lagrangian mechanics is a formulation of classical mechanics founded on the stationary-action principle (also known as the principle of least...

reformulation of the original problem, known as the Lagrangian function or Lagrangian. In the general case, the Lagrangian is defined as L ( x , λ ) ≡ f ( x ) + ⟨...

\Omega _{2}} imaginary. A Lagrangian submanifold L {\displaystyle L} is called special if in addition to the above Lagrangian condition the restriction...

Lagrangian field theory is a formalism in classical field theory. It is the field-theoretic analogue of Lagrangian mechanics. Lagrangian mechanics is used...

In classical field theories, the Lagrangian specification of the flow field is a way of looking at fluid motion where the observer follows an individual...

In the field of mathematical optimization, Lagrangian relaxation is a relaxation method which approximates a difficult problem of constrained optimization...

In mathematics, a Lagrangian foliation or polarization is a foliation of a symplectic manifold, whose leaves are Lagrangian submanifolds. It is one of...

Augmented Lagrangian methods are a certain class of algorithms for solving constrained optimization problems. They have similarities to penalty methods...

In experimental fluid mechanics, Lagrangian Particle Tracking refers to the process of determining trajectories of small neutrally buoyant particles (flow...

In celestial mechanics, the Lagrange points (/ləˈɡrɑːndʒ/; also Lagrangian points or libration points) are points of equilibrium for small-mass objects...

In mathematics, the Lagrangian Grassmannian is the smooth manifold of Lagrangian subspaces of a real symplectic vector space V. Its dimension is ⁠1/2⁠n(n...

In physics, Hamiltonian mechanics is a reformulation of Lagrangian mechanics that emerged in 1833. Introduced by Sir William Rowan Hamilton, Hamiltonian...

In physics, a gauge theory is a type of field theory in which the Lagrangian, and hence the dynamics of the system itself, do not change under local transformations...

1918. The action of a physical system is the integral over time of a Lagrangian function, from which the system's behavior can be determined by the principle...

Lagrangian analysis is the use of Lagrangian coordinates to analyze various problems in continuum mechanics. Lagrangian analysis may be used to analyze...

In mathematics, a Lagrangian system is a pair (Y, L), consisting of a smooth fiber bundle Y → X and a Lagrangian density L, which yields the Euler–Lagrange...

relativistic Lagrangian mechanics is Lagrangian mechanics applied in the context of special relativity and general relativity. The relativistic Lagrangian can...

Observatory exhausted its supply of liquid helium and was moved from the Lagrangian point in June 2013. 2009 – 2013: At the end of its mission ESA's Planck...

In numerical analysis, the Lagrange interpolating polynomial is the unique polynomial of lowest degree that interpolates a given set of data. Given a data...

orbit approximately 60° ahead of or behind the main body near one of its Lagrangian points L4 and L5. Trojans can share the orbits of planets or of large...

Lagrangian optics are two formulations of geometrical optics which share much of the mathematical formalism with Hamiltonian mechanics and Lagrangian...

the Lagrangian dual problem but other dual problems are used – for example, the Wolfe dual problem and the Fenchel dual problem. The Lagrangian dual...

The final step needed to write down a gauge-invariant Lagrangian is to add a Maxwell Lagrangian term, S Maxwell = ∫ d 4 x [ − 1 4 F μ ν F μ ν ] . {\displaystyle...

that give such an isomorphism are called Lagrangian subspaces or simply Lagrangians. Explicitly, given a Lagrangian subspace as defined below, then a choice...

In field theory, a nonlocal Lagrangian is a Lagrangian, a type of functional L [ ϕ ( x ) ] {\displaystyle {\mathcal {L}}[\phi (x)]} containing terms that...

others, leading to the development of analytical mechanics (which includes Lagrangian mechanics and Hamiltonian mechanics). These advances, made predominantly...

The Semi-Lagrangian scheme (SLS) is a numerical method that is widely used in numerical weather prediction models for the integration of the equations...

here for details). When a cosmological constant Λ is included in the Lagrangian, the action: S = ∫ [ 1 2 κ ( R − 2 Λ ) + L M ] − g d 4 x {\displaystyle...

that the Lagrangian formulation makes the conceptual content of classical mechanics more clear than starting with Newton's laws. Lagrangian mechanics...