Function: gradient[1](numbers('xry') if log(numbers("xxy"), numbers("xxx")) > numbers("xxy") else numbers("xxx")) if sum(gradient[1](numbers("xxy") if numbers("xxx") > numbers('xry') else log(numbers("xxy"), numbers("xxx"))), numbers('xry') if numbers("xxy") > log(numbers("xxy"), numbers("xxx")) else numbers("xxx")) > numbers("xxx") if numbers("xxy") > numbers('xry') else log(numbers("xxy"), numbers("xxx")) else log(numbers("xxy"), numbers("xxx"))