摘要
Presents information on a study which discussed a symplectic computation of hamiltonian systems. Terms of formal energy of mid-point rule; Analysis of the mathematical pendulum to test the convergence of the formal energy; Numerical experiments.
Presents information on a study which discussed a symplectic computation of hamiltonian systems. Terms of formal energy of mid-point rule; Analysis of the mathematical pendulum to test the convergence of the formal energy; Numerical experiments.
基金
This research is supported by Special Funds for Major State Basic Research Projects of China (No. G1999032801-10 and No. G1999032804)
by the knowledge innovation program of the Chinese Academy of Sciences and a grant (No. 19801034) from National Natura