How To Install libspqr2 on Ubuntu 18.04

In this tutorial we learn how to install libspqr2 on Ubuntu 18.04. libspqr2 is sparse QR factorization library

Introduction

In this tutorial we learn how to install libspqr2 on Ubuntu 18.04.

What is libspqr2

libspqr2 is:

Suitesparse is a collection of libraries for computations involving sparse matrices.

SuiteSparseQR (SPQR) is a multithreaded, multifrontal, rank-revealing sparse QR factorization method.

There are three methods to install libspqr2 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 libspqr2 Using apt-get

Update apt database with apt-get using the following command.

sudo apt-get update

After updating apt database, We can install libspqr2 using apt-get by running the following command:

sudo apt-get -y install libspqr2

Install libspqr2 Using apt

Update apt database with apt using the following command.

sudo apt update

After updating apt database, We can install libspqr2 using apt by running the following command:

sudo apt -y install libspqr2

Install libspqr2 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 libspqr2 using aptitude by running the following command:

sudo aptitude -y install libspqr2

How To Uninstall libspqr2 on Ubuntu 18.04

To uninstall only the libspqr2 package we can use the following command:

sudo apt-get remove libspqr2

Uninstall libspqr2 And Its Dependencies

To uninstall libspqr2 and its dependencies that are no longer needed by Ubuntu 18.04, we can use the command below:

sudo apt-get -y autoremove libspqr2

Remove libspqr2 Configurations and Data

To remove libspqr2 configuration and data from Ubuntu 18.04 we can use the following command:

sudo apt-get -y purge libspqr2

Remove libspqr2 configuration, data, and all of its dependencies

We can use the following command to remove libspqr2 configurations, data and all of its dependencies, we can use the following command:

sudo apt-get -y autoremove --purge libspqr2

References

Summary

In this tutorial we learn how to install libspqr2 package on Ubuntu 18.04 using different package management tools: apt, apt-get and aptitude.