Small-Noise Analysis and Symmetrization of Implicit Monte Carlo Samplers
Journal Article
·
· Communications on Pure and Applied Mathematics
- Courant Institute, New York, NY (United States)
- Univ. of Arizona, Tucson, AZ (United States)
- Univ. of California, Berkeley, CA (United States); Lawrence Berkeley National Lab. (LBNL), Berkeley, CA (United States)
Implicit samplers are algorithms for producing independent, weighted samples from multivariate probability distributions. These are often applied in Bayesian data assimilation algorithms. We use Laplace asymptotic expansions to analyze two implicit samplers in the small noise regime. Our analysis suggests a symmetrization of the algorithms that leads to improved implicit sampling schemes at a relatively small additional cost. Here, computational experiments confirm the theory and show that symmetrization is effective for small noise sampling problems.
- Research Organization:
- Lawrence Berkeley National Laboratory (LBNL), Berkeley, CA (United States)
- Sponsoring Organization:
- USDOE Office of Science (SC), Advanced Scientific Computing Research (ASCR); National Science Foundation (NSF)
- Grant/Contract Number:
- AC02-05CH11231; DMS-1217065; DMS-1418775; DMS-1419044
- OSTI ID:
- 1418471
- Journal Information:
- Communications on Pure and Applied Mathematics, Vol. 69, Issue 10; ISSN 0010-3640
- Publisher:
- WileyCopyright Statement
- Country of Publication:
- United States
- Language:
- English
Cited by: 4 works
Citation information provided by
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Web of Science
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