octave: X11 DISPLAY environment variable not set
octave: disabling GUI features
error: writing file '/.octave_hist': Read-only file system
error: ignoring const octave::execution_exception& while preparing to exit

    2    2    3
    4    6    6
    7    8   10
   1   0   0
   0   5   0
   0   0   9
   1   2   3
   4   5   6
   7   8   9
    2    4    6
    8   10   12
   14   16   18
    1    4    9
   16   25   36
   49   64   81
   1   0   0
   0   1   0
   0   0   1
   1   2   3   1   0   0
   4   5   6   0   1   0
   7   8   9   0   0   1
   1   2   3
   4   5   6
   7   8   9
   1   0   0
   0   1   0
   0   0   1

    2    2    3
    4    6    6
    7    8   10
   1   0   0
   0   5   0
   0   0   9
   1   2   3
   4   5   6
   7   8   9
    2    4    6
    8   10   12
   14   16   18
    1    4    9
   16   25   36
   49   64   81
   1   0   0
   0   1   0
   0   0   1
   1   2   3   1   0   0
   4   5   6   0   1   0
   7   8   9   0   0   1
   1   2   3
   4   5   6
   7   8   9
   1   0   0
   0   1   0
   0   0   1