How To Install octave-nlopt on Ubuntu 18.04
Introduction
In this tutorial we learn how to install octave-nlopt on Ubuntu 18.04.
What is octave-nlopt
octave-nlopt is:
NLopt is a free/open-source library for nonlinear optimization, providing a common interface for a number of different free optimization routines available online as well as original implementations of various other algorithms. Its features include:
* Callable from C, C++, Fortran, GNU Octave, Python, GNU Guile, GNU R.
* A common interface for many different algorithms
* Support for large-scale optimization.
* Both global and local optimization algorithms.
* Algorithms using function values only (derivative-free) and also
algorithms exploiting user-supplied gradients.
* Algorithms for unconstrained optimization, bound-constrained optimization,
and general nonlinear inequality/equality constraints.
This package contains the module for the GNU Octave.
There are three methods to install octave-nlopt 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 octave-nlopt Using apt-get
Update apt database with apt-get using the following command.
sudo apt-get update
After updating apt database, We can install octave-nlopt using apt-get by running the following command:
sudo apt-get -y install octave-nlopt
Install octave-nlopt Using apt
Update apt database with apt using the following command.
sudo apt update
After updating apt database, We can install octave-nlopt using apt by running the following command:
sudo apt -y install octave-nlopt
Install octave-nlopt 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 octave-nlopt using aptitude by running the following command:
sudo aptitude -y install octave-nlopt
How To Uninstall octave-nlopt on Ubuntu 18.04
To uninstall only the octave-nlopt package we can use the following command:
sudo apt-get remove octave-nlopt
Uninstall octave-nlopt And Its Dependencies
To uninstall octave-nlopt and its dependencies that are no longer needed by Ubuntu 18.04, we can use the command below:
sudo apt-get -y autoremove octave-nlopt
Remove octave-nlopt Configurations and Data
To remove octave-nlopt configuration and data from Ubuntu 18.04 we can use the following command:
sudo apt-get -y purge octave-nlopt
Remove octave-nlopt configuration, data, and all of its dependencies
We can use the following command to remove octave-nlopt configurations, data and all of its dependencies, we can use the following command:
sudo apt-get -y autoremove --purge octave-nlopt
References
Summary
In this tutorial we learn how to install octave-nlopt package on Ubuntu 18.04 using different package management tools: apt, apt-get and aptitude.
