Function: sum(gradient[0](mean(2 *(numbers('epe') if numbers('xyy') > numbers('ryy') else numbers("xxy")), numbers('epe') if numbers('xyy') > numbers('ryy') else numbers("xxy"))) if mean(2 *(numbers("xxy") if numbers('xyy') > numbers('epe') else numbers('ryy')), numbers("xxy") if numbers('xyy') > numbers('ryy') else numbers('epe')) > 2 *(numbers('ryy') if numbers('epe') > numbers('xyy') else numbers("xxy")) else numbers('ryy') if numbers('xyy') > numbers("xxy") else numbers('epe'), gradient[0](mean(2 *(numbers('ryy') if numbers('epe') > numbers('xyy') else numbers("xxy")), numbers('ryy') if numbers('epe') > numbers('xyy') else numbers("xxy"))))
