Tagged

Neural ODE

Jul 15, 2024 PDE and Machine Learning 11 min read

PDE and Machine Learning (6): Continuous Normalizing Flows and Neural ODE

How do you turn a Gaussian into a complex data distribution? This article derives Neural ODEs, the adjoint method, continuous normalizing flows (FFJORD), and Flow Matching from the underlying ODE/PDE theory, and shows …

Jun 30, 2024 PDE and Machine Learning 17 min read

PDE and Machine Learning (5): Symplectic Geometry and Structure-Preserving Networks

Standard neural networks violate conservation laws. This article derives Hamiltonian mechanics, symplectic integrators, HNNs, LNNs, and SympNets from the geometry of phase space.