elasticsearch-ruby

https://github.com/elastic/elasticsearch-ruby

Ruby

Ruby integrations for Elasticsearch

Matrix#cofactor_expansion

Returns the Laplace expansion along given row or column.

   Matrix[[7,6], [3,9]].laplace_expansion(column: 1)
    => 45

   Matrix[[Vector[1, 0], Vector[0, 1]], [2, 3]].laplace_expansion(row: 0)
    => Vector[3, -2]

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Edit

git clone [email protected]:elastic/elasticsearch-ruby.git

cd elasticsearch-ruby

open

Contribute

# Make a new branch

git checkout -b -your-name--update-docs-Matrix-cofactor_expansion-for-pr

# Commit to git

git add git commit -m "better docs for Matrix#cofactor_expansion"

# Open pull request

gem install hub # on a mac you can `brew install hub`

hub fork

git push <your name> -your-name--update-docs-Matrix-cofactor_expansion-for-pr

hub pull-request

# Celebrate!