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