Function: gradient[2](minus(numbers("xxx"), numbers('epe')) if numbers('xyy') > numbers("xxx") else numbers('epe') if divide(round(numbers('epe') if numbers('xyy') > minus(numbers("xxx"), numbers('epe')) else numbers("xxx"), minus(numbers("xxx"), numbers('epe'))), minus(numbers("xxx"), numbers('epe')) if numbers('xyy') > numbers('epe') else numbers("xxx")) > round(numbers('xyy') if numbers("xxx") > numbers('epe') else minus(numbers("xxx"), numbers('epe')), minus(numbers("xxx"), numbers('epe'))) else minus(numbers("xxx"), numbers('epe')))