Function: gradient[0](numbers('ryy') if sum(numbers('ryy'), numbers("xxr")) > numbers("xxr") else numbers("yyy") if numbers("xxr") > numbers('ryy') else sum(numbers('ryy'), numbers("xxr")) if numbers('ryy') > sum(numbers('ryy'), numbers("xxr")) else numbers("yyy") if sum(numbers('ryy'), numbers("xxr")) > numbers("xxr") else numbers('ryy'))
