Function: gradient[1](numbers("per") if numbers('epe') > numbers("xxr") if numbers('rrr') if numbers('epe') > numbers("per") else numbers("xxr") > numbers("per") else numbers('epe') else numbers("per") if numbers('rrr') > numbers('epe') else numbers("xxr") if numbers('epe') if numbers("xxr") > numbers('rrr') if numbers('epe') > numbers("per") else numbers("xxr") else numbers("per") > numbers('epe') else numbers('epe') if numbers("per") > numbers("xxr") else numbers('rrr'))
