Function: gradient[0](noise(numbers('xry') if numbers('epe') > numbers('ryy') else divide(numbers('ryy'), numbers('epe')) if numbers('epe') > divide(numbers('ryy'), numbers('epe')) else numbers('ryy')) if numbers('epe') if divide(numbers('ryy'), numbers('epe')) > divide(numbers('ryy'), numbers('epe')) if numbers('epe') > numbers('ryy') else numbers('xry') else numbers('ryy') > divide(numbers('ryy'), numbers('epe')) else numbers('epe') if numbers('xry') > numbers('ryy') else divide(numbers('ryy'), numbers('epe')))