MATLAB on Linux has a unique set of default keyboard shortcuts that may be changed to the more typical control+c/v in two ways. The first way involves updating (or creating) a file on your home filesystem while the second way involves changing preferences through the Graphical User Interface graphical user interface (GUI).
To update MATLAB’s preferences without the GUI, modify or create the following file (and directory structure if necessary) ~/.matlab/R2021a/matlab.prf
with the following base contents
...