An adaptive symplectic integrator for gravitational dynamics

Open Access

Fig. 1

Illustration of the length coordinates for the time intervals [−1, 1] and [t_a, t_b]. Although the horizontal coordinates of $\hat{ξ}$ $\[\hat{\xi}\]$ and ξ are not equal and their length coordinates λ₁ and λ₂ are equal, the values of the corresponding interpolation functions are equal (Eq. (12)).

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