ARTE library installation problem

I pasted the ARTE library in the directory I find when I type

pwd

and I tried to initialize it using

 init_lib

but it is replying that

   Undefined function or variable 'init_lib'.

Why is this happening? Could someone help?

[Don]

bro, you need to add the path to matlab

this video help me

https://youtu.be/E78tcbQINMY?si=7IJscnan4bK2MgRg

you can find it like

Instalación de librerías en Matlab