ents of X N places along dimension DIM.
   
    Example: x=[1 2 3 4 5];
             <a href="vshift.html">vshift</a>(x,+1,2)=[2 3 4 5 1]           
             <a href="vshift.html">vshift</a>(x,-1,2)=[5 1 2 3 4]           
 
    Note shifting by N and then by -N recovers the original array. 
 
    [Y1,Y2,...YN]=<a href="vshift.html">VSHIFT</a>(X1,X2,...XN,N,DIM) also works.
 
    <a href="vshift.html">VSHIFT</a>(X1,X2,...XN,N,DIM); with no arguments overwrite the original 
    input variables.
 
    Note