Function: noise(numbers('epe') if divide(numbers('epe') if numbers('xyy') > numbers("yxx") else numbers('xyy'), numbers('epe')) > numbers('xyy') if numbers('epe') > numbers("yxx") else numbers('xyy') else minus(divide(numbers('epe') if numbers('xyy') > numbers("yxx") else numbers('xyy'), numbers('epe')), numbers('epe') if numbers('xyy') > numbers('xyy') else numbers("yxx")))