protected String form(ObjectMatrix1D matrix,int index,Former formatter){
  Object value=matrix.get(index);
  if (value == null)   return "";
  return String.valueOf(value);
}

protected String form ( ObjectMatrix1D matrix , int index , Former formatter ) { Object value = matrix . get ( index ) ; if ( value == null ) return "" ; return String . valueOf ( value ) ; }
converts a given cell to a string ; no alignment considered .
