childprocess

https://github.com/enkessler/childprocess

Ruby

Cross-platform Ruby library for managing child processes.

Matrix.combine

Create a matrix by combining matrices entrywise, using the given block

  x = Matrix[[6, 6], [4, 4]]
  y = Matrix[[1, 2], [3, 4]]
  Matrix.combine(x, y) {|a, b| a - b} # => Matrix[[5, 4], [1, 0]]

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-combine-for-pr

# Commit to git

git add git commit -m "better docs for Matrix.combine"

# 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-combine-for-pr

hub pull-request

# Celebrate!