$ sudo apt-get update
$ sudo apt-get install octave-secs1d 

octave-secs1d is installed in your system.

Make ensure the octave-secs1d package were installed using the commands given below,

$ sudo dpkg-query -l | grep octave-secs1d *

You will get with octave-secs1d package name, version, architecture and description in a table

octave-secs1d package basic information: