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