Function: divide(gradient[1](min(numbers("yyy") if numbers("xxr") if numbers('xry') > numbers("yyy") else numbers("xxr") > numbers("xxr") else numbers("xxr"), numbers("yyy") if numbers("xxr") > numbers('xry') else numbers("xxr"))), min(numbers('xry') if numbers("yyy") > numbers("xxr") else numbers("xxr") if numbers("xxr") > numbers("xxr") else numbers("yyy"), numbers("xxr") if numbers('xry') > numbers("xxr") else numbers("yyy")))