How To Install python-numexpr on Ubuntu 18.04
Introduction
In this tutorial we learn how to install python-numexpr on Ubuntu 18.04.
What is python-numexpr
python-numexpr is:
Numexpr package evaluates multiple-operator array expressions many times faster than NumPy can. It accepts the expression as a string, analyzes it, rewrites it more efficiently, and compiles it to faster Python code on the fly. It’s the next best thing to writing the expression in C and compiling it with a specialized just-in-time (JIT) compiler, i.e. it does not require a compiler at runtime.
This is the Python 2 version of the package.
There are three methods to install python-numexpr 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-numexpr 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-numexpr using apt-get by running the following command:
sudo apt-get -y install python-numexpr
Install python-numexpr Using apt
Update apt database with apt using the following command.
sudo apt update
After updating apt database, We can install python-numexpr using apt by running the following command:
sudo apt -y install python-numexpr
Install python-numexpr 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-numexpr using aptitude by running the following command:
sudo aptitude -y install python-numexpr
How To Uninstall python-numexpr on Ubuntu 18.04
To uninstall only the python-numexpr package we can use the following command:
sudo apt-get remove python-numexpr
Uninstall python-numexpr And Its Dependencies
To uninstall python-numexpr and its dependencies that are no longer needed by Ubuntu 18.04, we can use the command below:
sudo apt-get -y autoremove python-numexpr
Remove python-numexpr Configurations and Data
To remove python-numexpr configuration and data from Ubuntu 18.04 we can use the following command:
sudo apt-get -y purge python-numexpr
Remove python-numexpr configuration, data, and all of its dependencies
We can use the following command to remove python-numexpr configurations, data and all of its dependencies, we can use the following command:
sudo apt-get -y autoremove --purge python-numexpr
References
Summary
In this tutorial we learn how to install python-numexpr package on Ubuntu 18.04 using different package management tools: apt, apt-get and aptitude.
