Lagrangian neural networks

M Cranmer, S Greydanus, S Hoyer, P Battaglia… - arXiv preprint arXiv …, 2020 - arxiv.org
… arbitrary Lagrangians with neural networks, … Lagrangians using neural networks. We
demonstrate that they can model complex physical systems which Hamiltonian Neural Networks (…

Simplifying hamiltonian and lagrangian neural networks via explicit constraints

M Finzi, KA Wang, AG Wilson - Advances in neural …, 2020 - proceedings.neurips.cc
… accurately modelled by neural networks with 100 times less … Lagrangians in Cartesian
coordinates via explicit constraints using networks that we term Constrained Hamiltonian Neural

Lagrangian decomposition for neural network verification

R Bunel, A De Palma, A Desmaison… - … on Uncertainty in …, 2020 - proceedings.mlr.press
… to neural network bounds (Dvijotham et al., 2018) are based on Lagrangian relaxations, we
derive a new family of optimization problems for neural network bounds through Lagrangian

Generalized lagrangian neural networks

S Xiao, J Zhang, Y Tang - arXiv preprint arXiv:2401.03728, 2024 - arxiv.org
… In the generalized Lagrange’s equations, the Lagrangian L holds the same physical … neural
network suitable for non-conservative systems using the framework of generalized Lagrange’…

The neural particle method–an updated Lagrangian physics informed neural network for computational fluid dynamics

H Wessels, C Weißenfels, P Wriggers - Computer Methods in Applied …, 2020 - Elsevier
… , a neural network can be trained solely based on initial and boundary conditions. Neural
networks are … We build on the aforementioned work in order to develop an Updated Lagrangian

A lagrangian approach to information propagation in graph neural networks

M Tiezzi, G Marra, S Melacci, M Maggini, M Gori - ECAI 2020, 2020 - ebooks.iospress.nl
… are introduced to parametrize the neuron activations. By framing the optimization of
neural networks in the Lagrangian framework, where neural computations are expressed as …

Lagnetvip: A lagrangian neural network for video prediction

C Allen-Blanchette, S Veer, A Majumdar… - arXiv preprint arXiv …, 2020 - arxiv.org
… and system Lagrangian from high-… neural network and initial states are integrated
forward using the equations of motion determined by the system Lagrangian and Euler-Lagrange

Modeling system dynamics with physics-informed neural networks based on Lagrangian mechanics

MA Roehrl, TA Runkler, V Brandtstetter, M Tokic… - IFAC-PapersOnLine, 2020 - Elsevier
… To obtain a favorable coupling between input and states, we suggest first deriving the
equations of motion with the Lagrange formalism and then integrating them into a neural network

Learning the dynamics of particle-based systems with lagrangian graph neural networks

R Bhattoo, S Ranu, NMA Krishnan - Machine Learning: Science …, 2023 - iopscience.iop.org
… To address this challenge, here, we propose a Lagrangian graph neural network (LGnn), …
, which is then aggregated to compute the total Lagrangian of the system. To model realistic …

Neural Network Training as an Optimal Control Problem:—An Augmented Lagrangian Approach—

B Evens, P Latafat, A Themelis… - 2021 60th IEEE …, 2021 - ieeexplore.ieee.org
neural networks based on an augmented Lagrangian framework that only requires finding
approximate stationary points of the Lagrangian … structure of feedforward neural networks, we …