How To Install python-uncertainties on Ubuntu 18.04
Introduction
In this tutorial we learn how to install python-uncertainties on Ubuntu 18.04.
What is python-uncertainties
python-uncertainties is:
uncertainties is a Python module, which allows calculations such as
(0.2 +/- 0.01) * 2 = 0.4 +/- 0.02
to be performed transparently; much more complex mathematical expressions involving numbers with uncertainties can also be evaluated transparently.
Correlations between expressions are correctly taken into account; x-x is thus exactly zero, for instance. The uncertainties produced by this module are what is predicted by error propagation theory.
There are three methods to install python-uncertainties 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 python-uncertainties Using apt-get
Update apt database with apt-get using the following command.
sudo apt-get update
After updating apt database, We can install python-uncertainties using apt-get by running the following command:
sudo apt-get -y install python-uncertainties
Install python-uncertainties Using apt
Update apt database with apt using the following command.
sudo apt update
After updating apt database, We can install python-uncertainties using apt by running the following command:
sudo apt -y install python-uncertainties
Install python-uncertainties 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 python-uncertainties using aptitude by running the following command:
sudo aptitude -y install python-uncertainties
How To Uninstall python-uncertainties on Ubuntu 18.04
To uninstall only the python-uncertainties package we can use the following command:
sudo apt-get remove python-uncertainties
Uninstall python-uncertainties And Its Dependencies
To uninstall python-uncertainties and its dependencies that are no longer needed by Ubuntu 18.04, we can use the command below:
sudo apt-get -y autoremove python-uncertainties
Remove python-uncertainties Configurations and Data
To remove python-uncertainties configuration and data from Ubuntu 18.04 we can use the following command:
sudo apt-get -y purge python-uncertainties
Remove python-uncertainties configuration, data, and all of its dependencies
We can use the following command to remove python-uncertainties configurations, data and all of its dependencies, we can use the following command:
sudo apt-get -y autoremove --purge python-uncertainties
References
Summary
In this tutorial we learn how to install python-uncertainties package on Ubuntu 18.04 using different package management tools: apt, apt-get and aptitude.