How To Install ruby-fftw3 on Ubuntu 18.04
Introduction
In this tutorial we learn how to install ruby-fftw3 on Ubuntu 18.04.
What is ruby-fftw3
ruby-fftw3 is:
Ruby-FFTW3 is the Ruby interface to the FFTW Ver.3 library. Features:
- Use NArray, which is an efficient multi-dimensional numeric array class for Ruby
- Multi-dimensional complex FFT.(Real data are coerced to complex)
- Supports both double and single float transforms.
- Not normalized as in FFTW
There are three methods to install ruby-fftw3 on Ubuntu 18.04. We can use apt-get, apt and aptitude. In the following sections we will describe each method. You can choose one of them.
Install ruby-fftw3 Using apt-get
Update apt database with apt-get using the following command.
sudo apt-get update
After updating apt database, We can install ruby-fftw3 using apt-get by running the following command:
sudo apt-get -y install ruby-fftw3
Install ruby-fftw3 Using apt
Update apt database with apt using the following command.
sudo apt update
After updating apt database, We can install ruby-fftw3 using apt by running the following command:
sudo apt -y install ruby-fftw3
Install ruby-fftw3 Using aptitude
If you want to follow this method, you might need to install aptitude first since aptitude is usually not installed by default on Ubuntu. Update apt database with aptitude using the following command.
sudo aptitude update
After updating apt database, We can install ruby-fftw3 using aptitude by running the following command:
sudo aptitude -y install ruby-fftw3
How To Uninstall ruby-fftw3 on Ubuntu 18.04
To uninstall only the ruby-fftw3 package we can use the following command:
sudo apt-get remove ruby-fftw3
Uninstall ruby-fftw3 And Its Dependencies
To uninstall ruby-fftw3 and its dependencies that are no longer needed by Ubuntu 18.04, we can use the command below:
sudo apt-get -y autoremove ruby-fftw3
Remove ruby-fftw3 Configurations and Data
To remove ruby-fftw3 configuration and data from Ubuntu 18.04 we can use the following command:
sudo apt-get -y purge ruby-fftw3
Remove ruby-fftw3 configuration, data, and all of its dependencies
We can use the following command to remove ruby-fftw3 configurations, data and all of its dependencies, we can use the following command:
sudo apt-get -y autoremove --purge ruby-fftw3
References
Summary
In this tutorial we learn how to install ruby-fftw3 package on Ubuntu 18.04 using different package management tools: apt, apt-get and aptitude.
