$ sudo apt-get update
$ sudo apt-get install octave-miscellaneous 

octave-miscellaneous is installed in your system.

Make ensure the octave-miscellaneous package were installed using the commands given below,

$ sudo dpkg-query -l | grep octave-miscellaneous *

You will get with octave-miscellaneous package name, version, architecture and description in a table

octave-miscellaneous package basic information: