Function: gradient[0](square(sum(numbers("per") if numbers('yxr') > numbers('rrr') else numbers("xxy"), numbers('yxr'))) if numbers("xxy") if numbers('yxr') > numbers("per") else numbers('rrr') > numbers('yxr') else sum(numbers("per") if numbers("xxy") > numbers('yxr') else numbers('rrr'), numbers('yxr')))
