Introduction
In this tutorial we learn how to install libalgorithm-lbfgs-perl on Ubuntu 20.04.
What is libalgorithm-lbfgs-perl
libalgorithm-lbfgs-perl is:
Algorithm::LBFGS is an interface to liblbfgs, a C implementation of L-BFGS.
L-BFGS (Limited-memory Broyden-Fletcher-Goldfarb-Shanno) is a quasi-Newton
method for unconstrained optimization. This method is especially efficient on
problems involving a large number of variables.
Generally, it solves a problem described as following:
min f(x), x = (x1, x2, …, xn)
There are three methods to install libalgorithm-lbfgs-perl on Ubuntu 20.04. We can use apt-get, apt and aptitude. In the following sections we will describe each method. You can choose one of them.
Install libalgorithm-lbfgs-perl Using apt-get
Update apt database with apt-get using the following command.
sudo apt-get update
After updating apt database, We can install libalgorithm-lbfgs-perl using apt-get by running the following command:
sudo apt-get -y install libalgorithm-lbfgs-perl
Install libalgorithm-lbfgs-perl Using apt
Update apt database with apt using the following command.
sudo apt update
After updating apt database, We can install libalgorithm-lbfgs-perl using apt by running the following command:
sudo apt -y install libalgorithm-lbfgs-perl
Install libalgorithm-lbfgs-perl 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 libalgorithm-lbfgs-perl using aptitude by running the following command:
sudo aptitude -y install libalgorithm-lbfgs-perl
How To Uninstall libalgorithm-lbfgs-perl on Ubuntu 20.04
To uninstall only the libalgorithm-lbfgs-perl package we can use the following command:
sudo apt-get remove libalgorithm-lbfgs-perl
Uninstall libalgorithm-lbfgs-perl And Its Dependencies
To uninstall libalgorithm-lbfgs-perl and its dependencies that are no longer needed by Ubuntu 20.04, we can use the command below:
sudo apt-get -y autoremove libalgorithm-lbfgs-perl
Remove libalgorithm-lbfgs-perl Configurations and Data
To remove libalgorithm-lbfgs-perl configuration and data from Ubuntu 20.04 we can use the following command:
sudo apt-get -y purge libalgorithm-lbfgs-perl
Remove libalgorithm-lbfgs-perl configuration, data, and all of its dependencies
We can use the following command to remove libalgorithm-lbfgs-perl configurations, data and all of its dependencies, we can use the following command:
sudo apt-get -y autoremove --purge libalgorithm-lbfgs-perl
References
Summary
In this tutorial we learn how to install libalgorithm-lbfgs-perl package on Ubuntu 20.04 using different package management tools: apt, apt-get and aptitude.
