Function: exp(numbers('epe'), numbers('xry')) if numbers('xry') > numbers("per") else numbers('epe') if exp(numbers('epe'), numbers('xry')) > numbers('xry') else numbers('epe') if exp(numbers('epe'), numbers('xry')) > numbers("per") if exp(numbers('epe'), numbers('xry')) > numbers('epe') else numbers('xry') else gradient[1](numbers('xry') if exp(numbers('epe'), numbers('xry')) > numbers('epe') if exp(numbers('epe'), numbers('xry')) > numbers("per") else numbers('xry') else numbers('epe'))