How To Install libccolamd2 on Ubuntu 20.04
Introduction
In this tutorial we learn how to install libccolamd2
on Ubuntu 20.04.
What is libccolamd2
libccolamd2 is:
Suitesparse is a collection of libraries for computations involving sparse matrices.
The CCOLAMD library implements the “Constrained COLumn Approximate Minimum Degree ordering” algorithm. It computes a permutation vector P such that the LU factorization of A (:,P) tends to be sparser than that of A. The Cholesky factorization of (A (:,P))’*(A (:,P)) will also tend to be sparser than that of A’*A. Task: xubuntu-desktop, ubuntustudio-publishing, ubuntustudio-photography, ubuntustudio-graphics
There are three methods to install libccolamd2
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 libccolamd2 Using apt-get
Update apt database with apt-get
using the following command.
sudo apt-get update
After updating apt database, We can install libccolamd2
using apt-get
by running the following command:
sudo apt-get -y install libccolamd2
Install libccolamd2 Using apt
Update apt database with apt
using the following command.
sudo apt update
After updating apt database, We can install libccolamd2
using apt
by running the following command:
sudo apt -y install libccolamd2
Install libccolamd2 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 libccolamd2
using aptitude
by running the following command:
sudo aptitude -y install libccolamd2
How To Uninstall libccolamd2 on Ubuntu 20.04
To uninstall only the libccolamd2
package we can use the following command:
sudo apt-get remove libccolamd2
Uninstall libccolamd2 And Its Dependencies
To uninstall libccolamd2
and its dependencies that are no longer needed by Ubuntu 20.04, we can use the command below:
sudo apt-get -y autoremove libccolamd2
Remove libccolamd2 Configurations and Data
To remove libccolamd2
configuration and data from Ubuntu 20.04 we can use the following command:
sudo apt-get -y purge libccolamd2
Remove libccolamd2 configuration, data, and all of its dependencies
We can use the following command to remove libccolamd2
configurations, data and all of its dependencies, we can use the following command:
sudo apt-get -y autoremove --purge libccolamd2
References
Summary
In this tutorial we learn how to install libccolamd2
package on Ubuntu 20.04 using different package management tools: apt
, apt-get
and aptitude
.