Function: gradient[1](numbers('xyy') if numbers("per") if numbers('ryy') > divide(numbers('xyy'), numbers("per")) else numbers('xyy') > numbers('xyy') if numbers("per") > divide(numbers('xyy'), numbers("per")) else numbers('xyy') if divide(numbers('xyy'), numbers("per")) > numbers('ryy') else numbers("per") else divide(numbers('xyy'), numbers("per")))
