/usr/share/octave/site/m/vlfeat/toolbox/misc/ is in octave-vlfeat 0.9.17+dfsg0-6build1.
This file is owned by root:root, with mode 0o755.
..
/usr/share/octave/site/m/vlfeat/toolbox/misc/vl_alldist2.m
/usr/share/octave/site/m/vlfeat/toolbox/misc/vl_alphanum.m
/usr/share/octave/site/m/vlfeat/toolbox/misc/vl_argparse.m
/usr/share/octave/site/m/vlfeat/toolbox/misc/vl_binsearch.m
/usr/share/octave/site/m/vlfeat/toolbox/misc/vl_binsum.m
/usr/share/octave/site/m/vlfeat/toolbox/misc/vl_colsubset.m
/usr/share/octave/site/m/vlfeat/toolbox/misc/vl_cummax.m
/usr/share/octave/site/m/vlfeat/toolbox/misc/vl_getpid.m
/usr/share/octave/site/m/vlfeat/toolbox/misc/vl_grad.m
/usr/share/octave/site/m/vlfeat/toolbox/misc/vl_histmarg.m
/usr/share/octave/site/m/vlfeat/toolbox/misc/vl_hog.m
/usr/share/octave/site/m/vlfeat/toolbox/misc/vl_homkermap.m
/usr/share/octave/site/m/vlfeat/toolbox/misc/vl_ihashfind.m
/usr/share/octave/site/m/vlfeat/toolbox/misc/vl_ihashsum.m
/usr/share/octave/site/m/vlfeat/toolbox/misc/vl_inthist.m
/usr/share/octave/site/m/vlfeat/toolbox/misc/vl_isoctave.m
/usr/share/octave/site/m/vlfeat/toolbox/misc/vl_kdtreebuild.m
/usr/share/octave/site/m/vlfeat/toolbox/misc/vl_kdtreequery.m
/usr/share/octave/site/m/vlfeat/toolbox/misc/vl_lbp.m
/usr/share/octave/site/m/vlfeat/toolbox/misc/vl_lbpfliplr.m
/usr/share/octave/site/m/vlfeat/toolbox/misc/vl_localmax.m
/usr/share/octave/site/m/vlfeat/toolbox/misc/vl_numder.m
/usr/share/octave/site/m/vlfeat/toolbox/misc/vl_numder2.m
/usr/share/octave/site/m/vlfeat/toolbox/misc/vl_override.m
/usr/share/octave/site/m/vlfeat/toolbox/misc/vl_pegasos.m
/usr/share/octave/site/m/vlfeat/toolbox/misc/vl_sampleinthist.m
/usr/share/octave/site/m/vlfeat/toolbox/misc/vl_simdctrl.m
/usr/share/octave/site/m/vlfeat/toolbox/misc/vl_svmdataset.m
/usr/share/octave/site/m/vlfeat/toolbox/misc/vl_svmpegasos.m
/usr/share/octave/site/m/vlfeat/toolbox/misc/vl_svmtrain.m
/usr/share/octave/site/m/vlfeat/toolbox/misc/vl_threads.m
/usr/share/octave/site/m/vlfeat/toolbox/misc/vl_twister.m
/usr/share/octave/site/m/vlfeat/toolbox/misc/vl_version.m
/usr/share/octave/site/m/vlfeat/toolbox/misc/vl_whistc.m
/usr/share/octave/site/m/vlfeat/toolbox/misc/vl_xmkdir.m