Function: tan(numbers("per") if numbers('epe') > numbers('rrr') else numbers("per") if numbers('epe') > numbers('rrr') else numbers("xxx") if numbers('rrr') if numbers('epe') > numbers("per") else numbers("xxx") > gradient[2](numbers('epe') if numbers("per") > numbers('rrr') else numbers("xxx") if numbers('epe') > numbers("per") else numbers('rrr')) else numbers("per"))
