childprocess

https://github.com/enkessler/childprocess

Ruby

Cross-platform Ruby library for managing child processes.

Matrix#[]

Returns element (+i+,+j+) of the matrix.  That is: row +i+, column +j+.

Source | Google | Stack overflow

Edit

git clone [email protected]:enkessler/childprocess.git
cd childprocess
open

Contribute

# Make a new branch
git checkout -b -your-name--update-docs-Matrix----for-pr

# Commit to git
git add git commit -m "better docs for Matrix#[]"

# 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----for-pr
hub pull-request

# Celebrate!