Function: mean(divide(sqrt(numbers('yxr') if mean(numbers('yxr'), numbers('yyx')) > numbers('yyx') else numbers('yxr') if mean(numbers('yxr'), numbers('yyx')) > numbers('yyx') else numbers("xxr")), numbers("xxr") if numbers('yxr') > mean(numbers('yxr'), numbers('yyx')) else numbers('yyx') if mean(numbers('yxr'), numbers('yyx')) > numbers('yxr') else numbers('yyx')), sqrt(numbers('yyx') if numbers('yxr') > numbers("xxr") if numbers('yxr') > numbers('yyx') else mean(numbers('yxr'), numbers('yyx')) else mean(numbers('yxr'), numbers('yyx'))))