DupVect:

--------------------------------------------------------------------------
   Create a matrix with n rows or columns each of which equals the 
   row or column vector x. When duplicating a scalar note that
   For example,
   DupVect(3,5) = [3 3 3 3 3]'

   Since version 1.
--------------------------------------------------------------------------
   Form:
   y = DupVect( x, n )
--------------------------------------------------------------------------

   ------
   Inputs
   ------
   x                  Vector to be duplicated

   -------
   Outputs
   -------
   y                  Matrix with n rows or n columns of x

--------------------------------------------------------------------------