Function: gradient[0](abs(exp(numbers('xyy'), numbers("yyy")) if numbers("yyy") > numbers('xyy') else numbers('xry'))) if exp(numbers('xyy'), numbers("yyy")) > numbers('xry') if numbers("yyy") > numbers('xyy') else exp(numbers('xyy'), numbers("yyy")) else abs(numbers('xry') if numbers("yyy") > numbers('xyy') else exp(numbers('xyy'), numbers("yyy")))