How to remove liblapack-doc from Debian 9 (Stretch)

Uninstall liblapack-doc

To remove just liblapack-doc package itself from Debian 9 (Stretch) execute on terminal:

sudo apt-get remove liblapack-doc

To remove the liblapack-doc package and any other dependant package which are no longer needed from Debian Stretch.

sudo apt-get remove --auto-remove liblapack-doc

If you also want to delete configuration and/or data files of liblapack-doc from Debian Stretch then this will work:

sudo apt-get purge liblapack-doc

To delete configuration and/or data files of liblapack-doc and it's dependencies from Debian Stretch then execute:

sudo apt-get purge --auto-remove liblapack-doc