$ sudo apt-get update
$ sudo apt-get install libarrayfire-opencl3 

libarrayfire-opencl3 is installed in your system.

Make ensure the libarrayfire-opencl3 package were installed using the commands given below,

$ sudo dpkg-query -l | grep libarrayfire-opencl3 *

You will get with libarrayfire-opencl3 package name, version, architecture and description in a table

libarrayfire-opencl3 package basic information: