To reverse a row vector, use “r = fliplr(r);”. To reverse a column vector, use “c = flipud(c);”. For example:

> r = [1 2 3 4]
r =

   1   2   3   4

> r = fliplr(x)
r =

   4   3   2   1

> c = [1;2;3;4]
c =

   1
   2
   3
   4

> c = flipud(c)
c =

   4
   3
   2
   1