no code implementations • 24 Apr 2024 • Sawan Kumar, Rajdip Nayek, Souvik Chakraborty
The study of neural operators has paved the way for the development of efficient approaches for solving partial differential equations (PDEs) compared with traditional methods.
no code implementations • 28 Jun 2023 • Yogesh Chandrakant Mathpati, Tapas Tripura, Rajdip Nayek, Souvik Chakraborty
We propose a novel framework for discovering Stochastic Partial Differential Equations (SPDEs) from data.
no code implementations • 8 Jun 2023 • Kalpesh More, Tapas Tripura, Rajdip Nayek, Souvik Chakraborty
To accelerate the overall process, a variational Bayes-based approach for discovering partial differential equations is proposed.
no code implementations • 13 Dec 2022 • Yogesh Chandrakant Mathpati, Kalpesh Sanjay More, Tapas Tripura, Rajdip Nayek, Souvik Chakraborty
A two-stage approach is adopted: in the first stage, an efficient variational Bayesian equation discovery algorithm is developed to determine the governing physics of an underlying stochastic differential equation (SDE) from measured output data.
no code implementations • 3 Dec 2020 • Rajdip Nayek, Ramon Fuentes, Keith Worden, Elizabeth J. Cross
The problem of discovering governing equations is cast as that of selecting relevant variables from a predetermined dictionary of basis variables and solved via sparse Bayesian linear regression.
Model Selection Variable Selection Methodology Systems and Control Systems and Control Applications
no code implementations • 29 Mar 2019 • Rajdip Nayek, Souvik Chakraborty, Sriram Narasimhan
A novel methodology using Gaussian process latent force models is proposed to tackle the problem in a stochastic setting.