How To Install libcholmod3 on Ubuntu 18.04
Introduction
In this tutorial we learn how to install libcholmod3 on Ubuntu 18.04.
What is libcholmod3
libcholmod3 is:
Suitesparse is a collection of libraries for computations involving sparse matrices.
The CHOLMOD library provides a set of routines for factorizing sparse symmetric positive definite matrices of the form A or AA’, updating/downdating a sparse Cholesky factorization, solving linear systems, updating/downdating the solution to the triangular system Lx=b, and many other sparse matrix functions for both symmetric and unsymmetric matrices. Its supernodal Cholesky factorization relies on LAPACK and the Level-3 BLAS, and obtains a substantial fraction of the peak performance of the BLAS.
There are three methods to install libcholmod3 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 libcholmod3 Using apt-get
Update apt database with apt-get using the following command.
sudo apt-get update
After updating apt database, We can install libcholmod3 using apt-get by running the following command:
sudo apt-get -y install libcholmod3
Install libcholmod3 Using apt
Update apt database with apt using the following command.
sudo apt update
After updating apt database, We can install libcholmod3 using apt by running the following command:
sudo apt -y install libcholmod3
Install libcholmod3 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 libcholmod3 using aptitude by running the following command:
sudo aptitude -y install libcholmod3
How To Uninstall libcholmod3 on Ubuntu 18.04
To uninstall only the libcholmod3 package we can use the following command:
sudo apt-get remove libcholmod3
Uninstall libcholmod3 And Its Dependencies
To uninstall libcholmod3 and its dependencies that are no longer needed by Ubuntu 18.04, we can use the command below:
sudo apt-get -y autoremove libcholmod3
Remove libcholmod3 Configurations and Data
To remove libcholmod3 configuration and data from Ubuntu 18.04 we can use the following command:
sudo apt-get -y purge libcholmod3
Remove libcholmod3 configuration, data, and all of its dependencies
We can use the following command to remove libcholmod3 configurations, data and all of its dependencies, we can use the following command:
sudo apt-get -y autoremove --purge libcholmod3
References
Summary
In this tutorial we learn how to install libcholmod3 package on Ubuntu 18.04 using different package management tools: apt, apt-get and aptitude.
