Variational integrator

Variational integrator

Variational integrators are numerical integrators for Hamiltonian systems derived from the Euler-Lagrange equations of a discretized Hamilton's principle. Variational integrators are momentum-preserving and symplectic.

References

* E. Hairer, C. Lubich, and G. Warner. "Geometric Numerical Integration". Springer, 2002.
* J. Marsden and M. West. "Discrete mechanics and variational integrators". Acta Numerica, 2001, pp. 357–514.


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