Physics – Computational Physics
Scientific paper
2001-04-06
Physics
Computational Physics
8 pages, 0 figure
Scientific paper
We present the symplectic algorithm in the Lagrangian formalism for the
Hamiltonian systems by virtue of the noncommutative differential calculus with
respect to the discrete time and the Euler--Lagrange cohomological concepts. We
also show that the trapezoidal integrator is symplectic in certain sense.
Guo Han-Ying
Li You-Quan
Wu Ke
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