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Python implementation of coupled simulated annealing (CSA)

Project description

Build Status PyPI

Homepage: github.com/structurely/csa.

Coupled simulated annealing (CSA) is a generalization of simulated annealing (SA), which is an optimization algorithm that doesn’t use any information about the derivates of a function. The original paper describing CSA can be found here:

ftp://ftp.esat.kuleuven.be/sista/sdesouza/papers/CSA2009accepted.pdf

Essentially, CSA is like multiple simulated annealing (i.e. m independent SA processes run in parallel), except that the acceptance probability at each step is calculated as a function of the current state across all m processes. For a more complete description of the general CSA algorithm, see Description of CSA.

Installation

Using pip:

pip install pycsa

Directly from GitHub:

pip install git+https://github.com/structurely/csa.git

Usage

See examples/travelling_salesman.ipynb for an example of CSA applied to the travelling salesman problem (TSP).

Contributing

Feel free to submit issues at github.com/structurely/csa/issues and pull requests to the dev branch: github.com/structurely/csa/tree/dev.

License

See LICENSE.txt.

Project details


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