Variational integrators and time-dependent lagrangian systems
classification
🧮 math-ph
cs.NAmath.MPmath.NA
keywords
integratorslagrangiansystemstime-dependentvariationalalgorithmsassociatedconstruct
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This paper presents a method to construct variational integrators for time-dependent lagrangian systems. The resulting algorithms are symplectic, preserve the momentum map associated with a Lie group of symmetries and also describe the energy variation.
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