GNU/Linux Mint Installing Matplotlib – Step by step Guide
How to Install Matplotlib on GNU/Linux Mint 17.x/18.x/19.x/20.x/21.x/22.x LTS desktop – Step by step Tutorial.
And Matplotlib for Linux Mint is a Plotting Library for the Python and its Numerical Mathematics extension NumPy.
Moreover, it provides an Object-Oriented API for embedding Plots into Apps using general-purpose GUI Toolkits like Tkinter, wxPython, Qt, or GTK+.
Especially Relevant: following the Best Practices this Matplotlib Setup includes the Anaconda Python Release.
Finally, this guide includes detailed instructions on Getting Started with Matplotlib on Mint.

1. Launching Terminal
How to QuickStart with Command Line on Mint
First, Update the Apt Repo Sources with:
sudo apt update
Authenticate with the User Admin Pass.
If Got “User is Not in Sudoers file” then see: How to Enable sudo.
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