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Bayesian deep learning framework for uncertainty quantification in high dimensions. (arXiv:2210.11737v1 [stat.ML])
stat.ML updates on arXiv.org arxiv.org
We develop a novel deep learning method for uncertainty quantification in
stochastic partial differential equations based on Bayesian neural network
(BNN) and Hamiltonian Monte Carlo (HMC). A BNN efficiently learns the posterior
distribution of the parameters in deep neural networks by performing Bayesian
inference on the network parameters. The posterior distribution is efficiently
sampled using HMC to quantify uncertainties in the system. Several numerical
examples are shown for both forward and inverse problems in high dimension to
demonstrate the effectiveness …
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