Function: gradient[1](mean(numbers('ryy') if sqrt(numbers("xxx")) > numbers('rrr') else numbers("xxx") if 2 *(numbers("xxx") if numbers('rrr') > sqrt(numbers("xxx")) else numbers('ryy')) > numbers("xxx") else sqrt(numbers("xxx")), 2 *(numbers('ryy') if sqrt(numbers("xxx")) > numbers('rrr') else numbers("xxx"))))