J. Comp. Math., Volume 20.


Symplectic Computation Of Hamiltonian Systems (I)

Yi Fa Tang 1

1 LSEC, ICMSEC, Academy of Mathematics and System Sciences, Chinese Academy of Sciences, Beijing 100080, China


Abstract

We get $\tao^6$-terms of the formal energy of the mid-point rule, and use the mathematical pendulum to test the convergence of the formal energy.

Key words: Mid-point rule; Formal energy.


 

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