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Add Viterbi algorithm #7509

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Merged
merged 8 commits into from
Oct 29, 2022
Merged

Add Viterbi algorithm #7509

merged 8 commits into from
Oct 29, 2022

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carlos3dx
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@carlos3dx carlos3dx commented Oct 22, 2022

Describe your change:

Added Viterbi Algorithm
https://en.wikipedia.org/wiki/Viterbi_algorithm

Despite being an algorithm on Python in the article, worked my way from the mathematical definition.

To evaluate the output used the example case from the article

Fixes: #7465

  • Add an algorithm?
  • Fix a bug or typo in an existing algorithm?
  • Documentation change?

Checklist:

  • I have read CONTRIBUTING.md.
  • This pull request is all my own work -- I have not plagiarized.
  • I know that pull requests will not be merged if they fail the automated tests.
  • This PR only changes one algorithm file. To ease review, please open separate PRs for separate algorithms.
  • All new Python files are placed inside an existing directory.
  • All filenames are in all lowercase characters with no spaces or dashes.
  • All functions and variable names follow Python naming conventions.
  • All function parameters and return values are annotated with Python type hints.
  • All functions have doctests that pass the automated testing.
  • All new algorithms have a URL in its comments that points to Wikipedia or other similar explanation.
  • If this pull request resolves one or more open issues then the commit message contains Fixes: #{$ISSUE_NO}.

@algorithms-keeper algorithms-keeper bot added require tests Tests [doctest/unittest/pytest] are required require type hints https://docs.python.org/3/library/typing.html labels Oct 22, 2022
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Click here to look at the relevant links ⬇️

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@algorithms-keeper algorithms-keeper bot added the awaiting reviews This PR is ready to be reviewed label Oct 22, 2022
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Click here to look at the relevant links ⬇️

🔗 Relevant Links

Repository:

Python:

Automated review generated by algorithms-keeper. If there's any problem regarding this review, please open an issue about it.

algorithms-keeper commands and options

algorithms-keeper actions can be triggered by commenting on this PR:

  • @algorithms-keeper review to trigger the checks for only added pull request files
  • @algorithms-keeper review-all to trigger the checks for all the pull request files, including the modified files. As we cannot post review comments on lines not part of the diff, this command will post all the messages in one comment.

NOTE: Commands are in beta and so this feature is restricted only to a member or owner of the organization.

@algorithms-keeper algorithms-keeper bot added tests are failing Do not merge until tests pass and removed tests are failing Do not merge until tests pass labels Oct 22, 2022
@algorithms-keeper algorithms-keeper bot removed the require tests Tests [doctest/unittest/pytest] are required label Oct 22, 2022
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Click here to look at the relevant links ⬇️

🔗 Relevant Links

Repository:

Python:

Automated review generated by algorithms-keeper. If there's any problem regarding this review, please open an issue about it.

algorithms-keeper commands and options

algorithms-keeper actions can be triggered by commenting on this PR:

  • @algorithms-keeper review to trigger the checks for only added pull request files
  • @algorithms-keeper review-all to trigger the checks for all the pull request files, including the modified files. As we cannot post review comments on lines not part of the diff, this command will post all the messages in one comment.

NOTE: Commands are in beta and so this feature is restricted only to a member or owner of the organization.

@algorithms-keeper algorithms-keeper bot removed the require type hints https://docs.python.org/3/library/typing.html label Oct 22, 2022
@carlos3dx
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learned the lesson, don't split the code into smaller functions

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RSLGTM

@algorithms-keeper algorithms-keeper bot removed the awaiting reviews This PR is ready to be reviewed label Oct 29, 2022
@cclauss cclauss merged commit 7b521b6 into TheAlgorithms:master Oct 29, 2022
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cclauss commented Oct 29, 2022

Please do not open new pull requests in this repo until November 1st. 2022.

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Add the Viterbi algorithm
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