Author

Håkon Noren Myhr

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Preprint Sep 2026

SIPHy: Sparse identification of port-Hamiltonian systems from noisy data

We propose sparse identification of port-Hamiltonian systems (SIPHy), enabling structure-preserving symbolic regression from noisy trajectory observations. The method applies to port-Hamiltonian systems, which provide a general framework for describing dynamical systems in terms of energy exchange, dissipation and cont...

Håkon Noren Myhr, Sølve Eidnes, J. Kutz · 0 citations

Preprint Sep 2026

Fourth-Order Energy-Consistent Average Vector Field Discrete Gradient Methods for Dissipative Hamiltonian Systems

Discrete gradient methods provide a structure-preserving approach to energy-consistent time integration of dissipative Hamiltonian systems. In their conventional formulation, however, they generally attain at most second-order convergence. Extending the perturbation principle previously developed for Poisson systems to...

Lucas Lautwein, Nicole Marheineke, Håkon Noren Myhr et al. · 0 citations