Install Numpy on Ubuntu 20.04 Focal Fossa Linux

NumPy is a Python library, which supports large, multi-dimensional arrays and matrices. It also offers a wide set of high-level mathematical functions to operate on these arrays. The objective of this short guide is to install NumPy on Ubuntu 20.04 Focal Fossa Linux.

In this tutorial you will learn:

  • How to install Numpy from the Ubuntu repository
  • How to install Numpy using pip or pip3 commands
  • How to upgrade Numpy to its latest version

Numpy on Ubuntu 20.04 Focal Fossa Linux

Numpy on Ubuntu 20.04 Focal Fossa Linux

Software Requirements and Conventions Used

Software Requirements and Linux Command Line Conventions
Category Requirements, Conventions or Software Version Used
System Installed or upgraded Ubuntu 20.04 Focal Fossa
Software python,python3
Other Privileged access to your Linux system as root or via the sudo command.
Conventions # – requires given linux commands to be executed with root privileges either directly as a root user or by use of sudo command
$ – requires given linux commands to be executed as a regular non-privileged user

Install Numpy on Ubuntu 20.04 step by step instructions

Install Numpy from Ubuntu repository

  1. To install Numpy on Ubuntu 20.04 execute the following command. Make a selection between Python 2 or Python 3 or possibly install both:
    PYTHON 2:
    $ sudo apt install python-numpy
    PYTHON 3:
    $ sudo apt install python3-numpy
    


  2. Check Numpy version:
    $ python -c "import numpy; print(numpy.__version__)"
    1.16.5
    $ python3 -c "import numpy; print(numpy.__version__)"
    1.17.4
    

Install Numpy using pip / pip3 command

  1. Given that you have already installed Python installer pip on you Ubuntu 20.04 host, you can now easily install numpy by using the pip or pip3 command:
    PYTHON 2:
    $ pip install numpy
    PYTHON 3:
    $ pip3 install numpy
    


  2. Check Numpy version:
    $ python -c "import numpy; print(numpy.__version__)"
    1.16.5
    $ python3 -c "import numpy; print(numpy.__version__)"
    1.17.4
    

Upgrade numpy to latest version

In case you have installed numpy from the Ubuntu repository you can upgrade it by simply executing the following Linux command:

PYTHON 2:
$ sudo apt install python-numpy
PYTHON 3:
$ sudo apt install python3-numpy

Execute the bellow commands, in case you need to upgrade numpy to the latest version with the pip or pip3:

PYTHON 2:
$ pip install --upgrade numpy
PYTHON 3:
$ pip3 install --upgrade numpy