determining a nonlinear static function ƒp representing {HEAD ~ the sensitivity} of {TAIL ~ the patient} to a dosage of the anesthesia drug at steady state; and 
determining a nonlinear static function ƒp representing { HEAD ~ the sensitivity } of { TAIL ~ the patient } to a dosage of the anesthesia drug at steady state ; and
OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD REL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH