Roctave
Roctave is a Ruby gem attempting to provide functions do design digital filters in Ruby. Most algorithms are taken from GNU Octave.
Installation
git clone https://gitlab.com/theotime_bollengier/roctave.git
cd roctave
gem build roctave.gemspec
sudo gem install ./roctave-x.x.x.gem
Documentation
You can generate the documentation with YARD.
To get yard :
sudo gem install yard
Then, in this directory, generate the documentation :
yard doc -o doc
firefox doc/index.html