How To Install jel-java on Ubuntu 18.04

In this tutorial we learn how to install jel-java on Ubuntu 18.04. jel-java is Library for evaluating algebraic expressions in Java

Introduction

In this tutorial we learn how to install jel-java on Ubuntu 18.04.

What is jel-java

jel-java is:

The JEL library enables users to enter algebraic expressions into their program. Since JEL converts expressions directly into Java bytecode, it significantly speeds up their evaluation time. If the user’s Java virtual machine has a JIT compiler, expressions are transparently compiled into native machine code.

JEL may be a very useful tool for a variety of applications in science involving user-defined functions, e.g. to create plots, to apply fits to a data set and to solve integrals or differential equations. Another relevant use case for JEL is given by algebraic operations between two or more columns of a database table.

There are three methods to install jel-java 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 jel-java Using apt-get

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

sudo apt-get update

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

sudo apt-get -y install jel-java

Install jel-java Using apt

Update apt database with apt using the following command.

sudo apt update

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

sudo apt -y install jel-java

Install jel-java 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 jel-java using aptitude by running the following command:

sudo aptitude -y install jel-java

How To Uninstall jel-java on Ubuntu 18.04

To uninstall only the jel-java package we can use the following command:

sudo apt-get remove jel-java

Uninstall jel-java And Its Dependencies

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

sudo apt-get -y autoremove jel-java

Remove jel-java Configurations and Data

To remove jel-java configuration and data from Ubuntu 18.04 we can use the following command:

sudo apt-get -y purge jel-java

Remove jel-java configuration, data, and all of its dependencies

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

sudo apt-get -y autoremove --purge jel-java

References

Summary

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