How To Install libnlopt-dev on Ubuntu 18.04
Introduction
In this tutorial we learn how to install libnlopt-dev on Ubuntu 18.04.
What is libnlopt-dev
libnlopt-dev 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 header files, static libraries and symbolic links that developers using NLopt library will need.
There are three methods to install libnlopt-dev 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 libnlopt-dev Using apt-get
Update apt database with apt-get using the following command.
sudo apt-get update
After updating apt database, We can install libnlopt-dev using apt-get by running the following command:
sudo apt-get -y install libnlopt-dev
Install libnlopt-dev Using apt
Update apt database with apt using the following command.
sudo apt update
After updating apt database, We can install libnlopt-dev using apt by running the following command:
sudo apt -y install libnlopt-dev
Install libnlopt-dev 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 libnlopt-dev using aptitude by running the following command:
sudo aptitude -y install libnlopt-dev
How To Uninstall libnlopt-dev on Ubuntu 18.04
To uninstall only the libnlopt-dev package we can use the following command:
sudo apt-get remove libnlopt-dev
Uninstall libnlopt-dev And Its Dependencies
To uninstall libnlopt-dev and its dependencies that are no longer needed by Ubuntu 18.04, we can use the command below:
sudo apt-get -y autoremove libnlopt-dev
Remove libnlopt-dev Configurations and Data
To remove libnlopt-dev configuration and data from Ubuntu 18.04 we can use the following command:
sudo apt-get -y purge libnlopt-dev
Remove libnlopt-dev configuration, data, and all of its dependencies
We can use the following command to remove libnlopt-dev configurations, data and all of its dependencies, we can use the following command:
sudo apt-get -y autoremove --purge libnlopt-dev
References
Summary
In this tutorial we learn how to install libnlopt-dev package on Ubuntu 18.04 using different package management tools: apt, apt-get and aptitude.
