function X=reverse(x)% function X=reverse(x)		(in ~allejan/matlab)% form reverse vector. When used on matrices, flip the matrix along% vertical axisX=zeros(size(x));[n m]=size(x);if ((m==1) & (n > 1)),     X = reverse(x')';else     for i=1:m,	 X(:,m-i+1) = x(:,i);    endend