/usr/share/octave/packages/ocs-0.1.3/sbn/ is in octave-ocs 0.1.3-1build1.
This file is owned by root:root, with mode 0o755.
..
/usr/share/octave/packages/ocs-0.1.3/sbn/Mcapacitors.m
/usr/share/octave/packages/ocs-0.1.3/sbn/Mcurrentsources.m
/usr/share/octave/packages/ocs-0.1.3/sbn/Mdiode.m
/usr/share/octave/packages/ocs-0.1.3/sbn/Minductors.m
/usr/share/octave/packages/ocs-0.1.3/sbn/Mnmosfet.m
/usr/share/octave/packages/ocs-0.1.3/sbn/Mpdesympnjunct.m
/usr/share/octave/packages/ocs-0.1.3/sbn/Mpmosfet.m
/usr/share/octave/packages/ocs-0.1.3/sbn/Mresistors.m
/usr/share/octave/packages/ocs-0.1.3/sbn/Mshichmanhodgesmosfet.m
/usr/share/octave/packages/ocs-0.1.3/sbn/Mtdnmos.cir
/usr/share/octave/packages/ocs-0.1.3/sbn/Mtdnmos.nms
/usr/share/octave/packages/ocs-0.1.3/sbn/Mtdpmos.cir
/usr/share/octave/packages/ocs-0.1.3/sbn/Mtdpmos.nms
/usr/share/octave/packages/ocs-0.1.3/sbn/Mvoltagesources.m
/usr/share/octave/packages/ocs-0.1.3/sbn/doc-cache