Function: product(gradient[2](numbers('epe')) if band pass(gradient[2](numbers('epe'))) > numbers('epe') else band pass(gradient[2](numbers('epe'))) if numbers('rrr') > numbers('epe') else gradient[2](numbers('epe')), numbers('rrr') if gradient[2](numbers('epe')) > numbers('epe') else band pass(gradient[2](numbers('epe'))))
