A trial control setting vector is thus calculated by applying the update to {HEAD ~ the initial value} for {TAIL ~ the current iteration} 
for
A trial control setting vector is thus calculated by applying the update to { HEAD ~ the initial value } for { TAIL ~ the current iteration }
OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD REL TAIL TAIL TAIL TAIL TAIL TAIL TAIL