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Gradient-based MCMC samplers for dynamic causal modelling

In this technical note, we derive two MCMC (Markov chain Monte Carlo) samplers for dynamic causal models (DCMs). Specifically, we use (a) Hamiltonian MCMC (HMC-E) where sampling is simulated using Hamilton’s equation of motion and (b) Langevin Monte Carlo algorithm (LMC-R and LMC-E) that simulates t...

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Detalles Bibliográficos
Publicado en:Neuroimage
Autores principales: Sengupta, Biswa, Friston, Karl J., Penny, Will D.
Formato: Artigo
Lenguaje:Inglês
Publicado: Academic Press 2016
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Acceso en línea:https://ncbi.nlm.nih.gov/pmc/articles/PMC4692453/
https://ncbi.nlm.nih.gov/pubmed/26213349
https://ncbi.nlm.nih.govhttp://dx.doi.org/10.1016/j.neuroimage.2015.07.043
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