Function: gradient[1](mean(numbers('epe') if sqrt(numbers('xry')) > numbers('xry') else product(sqrt(numbers('xry')), numbers('xry')) if product(sqrt(numbers('xry')), numbers('xry')) > sqrt(numbers('xry')) else numbers('xry'), sqrt(numbers('xry')) if numbers('xry') > product(sqrt(numbers('xry')), numbers('xry')) else numbers('epe')))
