/usr/share/octave/packages/secs2d-0.0.8/DDGOX/ is in octave-secs2d 0.0.8-5.
This file is owned by root:root, with mode 0o755.
..
/usr/share/octave/packages/secs2d-0.0.8/DDGOX/DDGOXddcurrent.m
/usr/share/octave/packages/secs2d-0.0.8/DDGOX/DDGOXelectron_driftdiffusion.m
/usr/share/octave/packages/secs2d-0.0.8/DDGOX/DDGOXgummelmap.m
/usr/share/octave/packages/secs2d-0.0.8/DDGOX/DDGOXhole_driftdiffusion.m
/usr/share/octave/packages/secs2d-0.0.8/DDGOX/DDGOXnlpoisson.m
/usr/share/octave/packages/secs2d-0.0.8/DDGOX/DDGOXplotresults.m
/usr/share/octave/packages/secs2d-0.0.8/DDGOX/doc-cache
/usr/share/octave/packages/secs2d-0.0.8/DDGOXT/DDGOXTelectron_driftdiffusion.m
/usr/share/octave/packages/secs2d-0.0.8/DDGOXT/DDGOXTgummelmap.m
/usr/share/octave/packages/secs2d-0.0.8/DDGOXT/DDGOXThole_driftdiffusion.m
/usr/share/octave/packages/secs2d-0.0.8/DDGOXT/doc-cache