TY - JOUR T1 - Symplectic Computation of Hamiltonian Systems (I) AU - Tang , Yi-Fa JO - Journal of Computational Mathematics VL - 3 SP - 267 EP - 276 PY - 2002 DA - 2002/06 SN - 20 DO - http://doi.org/ UR - https://global-sci.org/intro/article_detail/jcm/8916.html KW - Mid-point rule, Formal energy. AB -
We get $τ^6$-terms of the formal energy of the mid-point rule, and use the mathematical pendulum to test the convergence of the formal energy.