论文信息 - Does variable step size ruin a symplectic integrator

Does variable step size ruin a symplectic integrator

Abstract There exist methods that preserve the symplectic invariants of Hamiltonian systems when fixed step size is used. It is proved that the most simple-minded version of this property is lost if the step size is varied.

Robert D. Skeel | Charles William Gear | R. Skeel | C. Gear

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