GNU/Linux Ubuntu 21.10 Installing Armadillo – Step by step Guide
How to Install Armadillo in Ubuntu 21.10 Impish GNU/Linux desktop – Step by step Tutorial.
And Armadillo for Ubuntu Impish is an Open-Source C++ Linear Algebra Library (Matrix Maths) with Syntax similar to MATLAB and Octave.
Moreover, in Armadillo Integer, Floating Point and Complex Numbers are supported, as well as a subset of Trigonometric and Statistics Functions.
Finally, this guide includes detailed instructions on Getting Started with Armadillo on Ubuntu.

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1. Launching Shell Emulator
Open a Terminal window
Ctrl+Alt+t on desktop
(Press “Enter” to Execute Commands).
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2. Installing Recommends
Then to Install Recommended Packages.
sudo apt install cmake libopenblas-dev liblapack-dev libarpack2-dev
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