public static Vector<Object> selectSortVector(double[] aa){
            ArrayList<Object> list = Fmath.selectSortArrayList(aa);
            Vector<Object> ret = null;
            if(list!=null){
                int n = list.size();
                ret = new Vector<Object>(n);
                for(int i=0; i<n; i++)ret.addElement(list.get(i));
            }
            return ret;
        }