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