Corpus ID: 225067856

Simplifying Hamiltonian and Lagrangian Neural Networks via Explicit Constraints

  title={Simplifying Hamiltonian and Lagrangian Neural Networks via Explicit Constraints},
  author={Marc Finzi and K. Wang and A. Wilson},
  • Marc Finzi, K. Wang, A. Wilson
  • Published 2020
  • Computer Science, Mathematics, Physics
  • ArXiv
  • Reasoning about the physical world requires models that are endowed with the right inductive biases to learn the underlying dynamics. Recent works improve generalization for predicting trajectories by learning the Hamiltonian or Lagrangian of a system rather than the differential equations directly. While these methods encode the constraints of the systems using generalized coordinates, we show that embedding the system into Cartesian coordinates and enforcing the constraints explicitly with… CONTINUE READING
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