Function: minus(band pass(divide(minus(numbers('epe') if numbers("yyy") > numbers('epe') else numbers("yxx"), numbers('epe')), numbers('epe') if numbers('epe') > numbers("yyy") else numbers("yxx"))), divide(minus(numbers("yxx") if numbers('epe') > numbers('epe') else numbers("yyy"), numbers('epe')), numbers("yyy") if numbers("yxx") > numbers('epe') else numbers('epe')))
