Function: band pass(min(divide(sqrt(numbers('yxr') if numbers('yyx') > numbers("xxy") else min(numbers('yxr'), numbers("xxy"))), numbers('yxr') if numbers('yyx') > min(numbers('yxr'), numbers("xxy")) else numbers("xxy")), sqrt(numbers('yyx') if numbers("xxy") > min(numbers('yxr'), numbers("xxy")) else numbers('yxr'))))
