Search Results for author: Robert K. Niven

Found 2 papers, 0 papers with code

Dynamical System Identification, Model Selection and Model Uncertainty Quantification by Bayesian Inference

no code implementations30 Jan 2024 Robert K. Niven, Laurent Cordier, Ali Mohammad-Djafari, Markus Abel, Markus Quade

For multivariate Gaussian likelihood and prior distributions, the Bayesian formulation gives Gaussian posterior and evidence distributions, in which the numerator terms can be expressed in terms of the Mahalanobis distance or ``Gaussian norm'' $||\vy-\hat{\vy}||^2_{M^{-1}} = (\vy-\hat{\vy})^\top {M^{-1}} (\vy-\hat{\vy})$, where $\vy$ is a vector variable, $\hat{\vy}$ is its estimator and $M$ is the covariance matrix.

Bayesian Inference Model Selection +1

Learning Optimal Control of Synchronization in Networks of Coupled Oscillators using Genetic Programming-based Symbolic Regression

no code implementations15 Dec 2016 Julien Gout, Markus Quade, Kamran Shafi, Robert K. Niven, Markus Abel

In this paper, we formulate the synchronization control in dynamical systems as an optimization problem and present a multi-objective genetic programming-based approach to infer optimal control functions that drive the system from a synchronized to a non-synchronized state and vice-versa.

regression Symbolic Regression

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