Mass-Spring System Dataset

The dataset used in the paper is a mass-spring system, which is a Hamiltonian system with the energy function H(q1, q2, p1, p2) = 1/2 * (m1 * v1^2 + m2 * v2^2) + m1 * k1 * (q1 - l1)^2 + m2 * k2 * (q2 - q1 - l2)^2.

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