The vegas package is for evaluating multidimensional integrals using
an improved version of the adaptive Monte Carlo vegas algorithm
(G. P. Lepage, J. Comput. Phys. 27(1978) 192).
A tutorial on its use can be found in the documentation:
see doc/html/index.html or https://vegas.readthedocs.io.
The vegas algorithm has been widely used for decades to evaluate
integrals of 2 or more dimensions numerically. It is particularly
well suited to higher dimensions (e.g., 9 or 10 for Feynman diagram
evaluation). The algorithm in this package is significantly
improved over the original vegas implementation. In particular
a second adaptive strategy has been added. It also supports
multi-processor evaluation of integrands.
The new algorithm (vegas+) is described in G. P. Lepage,
https://arxiv.org/abs/2009.05112
(J. Comput. Phys. 439 (2021) 110386).
See the INSTALLATION file for installation directions.
Test vegas using make tests. Some simple examples are
in the examples/ subdirectory.
vegas version numbers have the form major.minor.patch where
incompatible changes are signaled by incrementing the major version
number, the minor number signals new features, and the patch
number signals bug fixes.
| Created by G. Peter Lepage (Cornell University) 2013 | Copyright (c) 2013-2023 G. Peter Lepage
.. image:: https://zenodo.org/badge/DOI/10.5281/zenodo.592154.svg :target: https://doi.org/10.5281/zenodo.592154
FAQs
Tools for adaptive multidimensional Monte Carlo integration.
We found that vegas demonstrated a healthy version release cadence and project activity because the last version was released less than a year ago. It has 1 open source maintainer collaborating on the project.
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