/usr/share/octave/3.2.4/m/linear-algebra/ is in octave3.2-common 3.2.4-12.
This file is owned by root:root, with mode 0o755.
..
/usr/share/octave/3.2.4/m/linear-algebra/commutation_matrix.m
/usr/share/octave/3.2.4/m/linear-algebra/cond.m
/usr/share/octave/3.2.4/m/linear-algebra/condest.m
/usr/share/octave/3.2.4/m/linear-algebra/cross.m
/usr/share/octave/3.2.4/m/linear-algebra/dot.m
/usr/share/octave/3.2.4/m/linear-algebra/duplication_matrix.m
/usr/share/octave/3.2.4/m/linear-algebra/expm.m
/usr/share/octave/3.2.4/m/linear-algebra/housh.m
/usr/share/octave/3.2.4/m/linear-algebra/krylov.m
/usr/share/octave/3.2.4/m/linear-algebra/krylovb.m
/usr/share/octave/3.2.4/m/linear-algebra/logm.m
/usr/share/octave/3.2.4/m/linear-algebra/null.m
/usr/share/octave/3.2.4/m/linear-algebra/onenormest.m
/usr/share/octave/3.2.4/m/linear-algebra/orth.m
/usr/share/octave/3.2.4/m/linear-algebra/planerot.m
/usr/share/octave/3.2.4/m/linear-algebra/qzhess.m
/usr/share/octave/3.2.4/m/linear-algebra/rank.m
/usr/share/octave/3.2.4/m/linear-algebra/rref.m
/usr/share/octave/3.2.4/m/linear-algebra/subspace.m
/usr/share/octave/3.2.4/m/linear-algebra/trace.m
/usr/share/octave/3.2.4/m/linear-algebra/vec.m
/usr/share/octave/3.2.4/m/linear-algebra/vech.m