{HEAD ~ A method} in accordance 3, including {TAIL ~ the step} of determining the first analytical function as: 
{ HEAD ~ A method } in accordance 3 , including { TAIL ~ the step } of determining the first analytical function as :
HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH REL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH