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Published at November 26Training Hamiltonian neural networks without backpropagation
cs.LG
cs.NA
math.NA
Released Date: November 26, 2024
Authors: Atamert Rahma1, Chinmay Datar2, Felix Dietrich3
Aff.: 1School of Computation, Information and Technology, Technical University of Munich, Munich, Germany; 2School of Computation, Information and Technology, Technical University of Munich, Munich, Germany; Institute for Advanced Study; 3School of Computation, Information and Technology, Technical University of Munich, Munich, Germany; Munich Data Science Institute

| Double pendulum | Hénon-Heiles | |||
|---|---|---|---|---|
| Method | Training time (s) | Rel. error | Training time (s) | Rel. error |
| HNN | 10485.4 | 3.62E-03 | 13140.6 | 6.68E-04 |
| ELM | 43.1 | 5.69E-03 | 46.0 | 2.07E-02 |
| U-SWIM | 39.6 | 5.00E-03 | 41.7 | 8.22E-08 |
| A-SWIM | 85.2 | 4.08E-03 | 89.4 | 6.80E-08 |
| SWIM | 40.0 | 4.18E-03 | 41.9 | 6.80E-08 |