/usr/share/octave/packages/geometry-3.0.0/polygons2d/ is in octave-geometry 3.0.0-6.
This file is owned by root:root, with mode 0o755.
..
/usr/share/octave/packages/geometry-3.0.0/polygons2d/clipPolygon.m
/usr/share/octave/packages/geometry-3.0.0/polygons2d/clipPolygon_clipper.m
/usr/share/octave/packages/geometry-3.0.0/polygons2d/clipPolyline.m
/usr/share/octave/packages/geometry-3.0.0/polygons2d/clipPolyline_clipper.m
/usr/share/octave/packages/geometry-3.0.0/polygons2d/convexHull.m
/usr/share/octave/packages/geometry-3.0.0/polygons2d/curvature.m
/usr/share/octave/packages/geometry-3.0.0/polygons2d/distancePointPolygon.m
/usr/share/octave/packages/geometry-3.0.0/polygons2d/distancePointPolyline.m
/usr/share/octave/packages/geometry-3.0.0/polygons2d/distancePolygons.m
/usr/share/octave/packages/geometry-3.0.0/polygons2d/doc-cache
/usr/share/octave/packages/geometry-3.0.0/polygons2d/drawPolygon.m
/usr/share/octave/packages/geometry-3.0.0/polygons2d/drawPolyline.m
/usr/share/octave/packages/geometry-3.0.0/polygons2d/expandPolygon.m
/usr/share/octave/packages/geometry-3.0.0/polygons2d/fillPolygon.m
/usr/share/octave/packages/geometry-3.0.0/polygons2d/intersectEdgePolygon.m
/usr/share/octave/packages/geometry-3.0.0/polygons2d/intersectLinePolygon.m
/usr/share/octave/packages/geometry-3.0.0/polygons2d/intersectPolylines.m
/usr/share/octave/packages/geometry-3.0.0/polygons2d/isPointInPolygon.m
/usr/share/octave/packages/geometry-3.0.0/polygons2d/isPolygonCCW.m
/usr/share/octave/packages/geometry-3.0.0/polygons2d/isPolygonCW_Clipper.m
/usr/share/octave/packages/geometry-3.0.0/polygons2d/joinPolygons.m
/usr/share/octave/packages/geometry-3.0.0/polygons2d/medialAxisConvex.m
/usr/share/octave/packages/geometry-3.0.0/polygons2d/minimumCaliperDiameter.m
/usr/share/octave/packages/geometry-3.0.0/polygons2d/orientPolygon.m
/usr/share/octave/packages/geometry-3.0.0/polygons2d/parametrize.m
/usr/share/octave/packages/geometry-3.0.0/polygons2d/polygon2patch.m
/usr/share/octave/packages/geometry-3.0.0/polygons2d/polygon2shape.m
/usr/share/octave/packages/geometry-3.0.0/polygons2d/polygonArea.m
/usr/share/octave/packages/geometry-3.0.0/polygons2d/polygonBounds.m
/usr/share/octave/packages/geometry-3.0.0/polygons2d/polygonCentroid.m
/usr/share/octave/packages/geometry-3.0.0/polygons2d/polygonContains.m
/usr/share/octave/packages/geometry-3.0.0/polygons2d/polygonLoops.m
/usr/share/octave/packages/geometry-3.0.0/polygons2d/polygonPoint.m
/usr/share/octave/packages/geometry-3.0.0/polygons2d/polygonSelfIntersections.m
/usr/share/octave/packages/geometry-3.0.0/polygons2d/polygonSubcurve.m
/usr/share/octave/packages/geometry-3.0.0/polygons2d/polygons2d.m
/usr/share/octave/packages/geometry-3.0.0/polygons2d/polylineSelfIntersections.m
/usr/share/octave/packages/geometry-3.0.0/polygons2d/private/
/usr/share/octave/packages/geometry-3.0.0/polygons2d/private/__dbl2int64__.m
/usr/share/octave/packages/geometry-3.0.0/polygons2d/projPointOnPolyline.m
/usr/share/octave/packages/geometry-3.0.0/polygons2d/rectAsPolygon.m
/usr/share/octave/packages/geometry-3.0.0/polygons2d/reversePolygon.m
/usr/share/octave/packages/geometry-3.0.0/polygons2d/reversePolyline.m
/usr/share/octave/packages/geometry-3.0.0/polygons2d/simplifyPolygon.m
/usr/share/octave/packages/geometry-3.0.0/polygons2d/simplifyPolyline.m
/usr/share/octave/packages/geometry-3.0.0/polygons2d/splitPolygons.m
/usr/share/octave/packages/geometry-3.0.0/polygons2d/supportFunction.m