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CHANGELOG.md

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Changelog

All notable changes to the "swarmlib" pypi package will be documented in this file.
The format is based on Keep a Changelog, and this project adheres to Semantic Versioning.

Unreleased

All Changes

2020-12-16 - v0.14.1

Fixed

  • a bug that caused swarmlib to show an error message instead of the help message when it was invoked without any args (#36)

All Changes

2020-12-04 - v0.14.0

Added

  • new functions by upgrading landscapes to v0.0.11

Fixed

  • a bug that caused levy flights to be performed randomly despite --seed was enabled.

All Changes

2020-11-25 - v0.13.0

Added

  • the whale optimization algorithm. After each step the solutions are plotted.

Fixed

  • the upload of release artifacts. Now the bundled pypi packages are added as release artifacts again.

All Changes

2020-11-17 - v0.12.1

Fixed

  • swarmlib's appearance on pypi. Now the gif renders correctly.

All Changes

2020-11-16 - v0.12.0

Added

  • top level flag --log-level to set swarmlib's verbosity (#29). It can be one of debug, info, warning, error, critical. Contributed by Nikos Koutsovasilis (@nkoutsov) and happily accepted 🚀.

All Changes

2020-11-10 - v0.11.0

Added

  • visualization of the alpha, beta and delta wolves for the grey wolf optimizer (#14).
  • top level --seed flag which allows to set the random bit generator's initial state for reproducible results.

Changed

  • the visualization. Now the initial as well as the end-position are shown unanimated as well.

All Changes

2020-11-07 - v0.10.0

Added

  • landscapes as a dependency to enable more benchmark functions (#15). Contributed by Alex F (@alxfmpl). Thanks a lot 🚀.

All Changes

2020-07-21 - v0.9.0

Added

  • grey wolf optimizer (#12). Perform the grey wolf optimization algorithm on one of the selected 2D-functions. Contributed by Nimish Verma (@NimishVerma) and greatly appreciated 🚀.

All Changes

2020-04-13 - v0.8.1

Fixed

  • a bug that caused the ACO algorithm to fail. Due to other third party packages swarmlib now requires matplotlib<3.2.0.

All Changes

2020-04-07 - v0.8.0

Added

  • the artificial bee colony algorithm. After each step the intermediate solution is plotted.

All Changes

2020-02-17 - v0.7.0

Added

  • dark mode. It is enabled via the --dark flag.

Changed

  • --continuous and --interval flags. Both are now top level flags.
  • the API of the ant colony optimization.
  • the tsp_file argument to an option. Now --tsp-file is optional. By default the built-in burma14 problem is used.

All Changes

2020-01-25 - v0.6.2

Changed

  • cuckoo search visualization: when a nest is abandoned / newly generated color its transition differently.

Fixed

  • cuckoo search visualization: now the abandon transition is mapped to the correct nest.

All Changes

2020-01-24 - v0.6.1

Changed

  • cuckoo search: Ensure each nest is assigned a cuckoo position in the update step

All Changes

2020-01-24 - v0.6.0

Changed

  • the visualization of the firefly algorithm and the cuckoo search. Now they both include velocities.
  • the firefly algorithm including its API. Now it replays the same problem if --continuous is set.
  • the --continuous flag. It requires no parameter anymore.
  • the --two-opt flag. It requires no parameter anymore.

All Changes

2020-01-22 - v0.5.0

Added

  • a feature that performs particle swarm optimization for one of the provided 2D functions. After each step the intermediate solution is plotted.

Changed

  • the API. Now the classes *Problem can be directly imported from the swarmlib module.

All Changes

2020-01-19 - v0.4.1

Changed

  • pypi tags to enhance the package's discoverability.

All Changes

2020-01-19 - v0.4.0

Added

  • a feature that enables the cuckoo search for one of the provided 2D functions. After each step the intermediate solution is plotted.

All Changes

2020-01-09 - v0.3.2

Fixed

  • a bug in the firefly algorithm that caused the application to crash when the ackley function was selected.

All Changes

2019-10-30 - v0.3.1

Fixed

  • a bug in the ACO algorithm that chose the next node by its maximal attractiveness. Now the next node is chosen randomly weighted by its attractiveness

All Changes

2018-12-18 - v0.3.0

Added

  • command line option --continuous for the firefly algorithm to indicate, whether the algorithm should run continuously or not
  • logging for the current best and overall best intensity found of the firefly algorithm

All Changes

2018-12-14 - v0.2.0

Added

  • a feature that enables the firefly algorithm for one of the provided 2D functions. After each step the intermediate solution is plotted.

All Changes

2018-11-29 - v0.1.0

Added

  • a feature that performs 2-opt search once on each partial solution after each iteration. It can be disabled via the argument --two-opt false.

Fixed

  • an import bug that caused the application to crash instantly

All Changes

2018-11-23 - v0.0.1

Initial Release

Added

  • a feature that enables solving the Traveling Salesman Problem using the Ant Colony Optimization approach and plots the result afterwards