Function: sqrt(minus(gradient[2](numbers("xxr") if numbers('yyx') > sum(numbers("xxr"), numbers('yyx')) else sum(numbers("xxr"), numbers('yyx')) if numbers('yyx') > numbers("xxr") else numbers('yxr')), sum(numbers("xxr"), numbers('yyx')) if numbers("xxr") > numbers('yyx') if sum(numbers("xxr"), numbers('yyx')) > numbers("xxr") else numbers('yxr') else numbers('yyx')))
