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Advanced Modeling and Simulation in Engineering Sciences

Table 2 Toda lattice

From: Some robust integrators for large time dynamics

 

Mean time-step

CPU

Mean error

RK4

0.0275

1475.49

\(2.130 \cdot 10^{-3}\)

RK4sym

0.1

128.74

\(2.261 \cdot 10^{-3}\)

BPL

0.125

179.08

\(2.897 \cdot 10^{-3}\)

  1. Time step and CPU comparison, with almost the same mean error on H. Final time: 5000
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