Function: sum(numbers("xxr"), numbers('xyy')) if numbers('xyy') > numbers("xxr") else numbers('xyy') if sum(gradient[2](numbers("xxr") if numbers("xxr") if sum(numbers("xxr"), numbers('xyy')) > numbers('xyy') else numbers('xyy') > sum(numbers("xxr"), numbers('xyy')) else numbers('xyy')), sum(numbers("xxr"), numbers('xyy')) if sum(numbers("xxr"), numbers('xyy')) if numbers('xyy') > numbers("xxr") else numbers('xyy') > numbers('xyy') else numbers("xxr")) > numbers("xxr") if numbers("xxr") if sum(numbers("xxr"), numbers('xyy')) > numbers('xyy') else numbers('xyy') > numbers('xyy') else sum(numbers("xxr"), numbers('xyy')) else gradient[2](sum(numbers("xxr"), numbers('xyy')) if numbers('xyy') if numbers("xxr") > sum(numbers("xxr"), numbers('xyy')) else numbers('xyy') > numbers("xxr") else numbers('xyy'))