Function: noise(numbers('yxy')) if numbers("per") if numbers('yxy') > numbers('yxr') else noise(numbers('yxy')) > minus(band pass(numbers('yxy') if numbers("per") > noise(numbers('yxy')) else numbers('yxr')), numbers('yxy') if numbers('yxr') > noise(numbers('yxy')) else numbers("per")) else band pass(numbers("per") if noise(numbers('yxy')) > numbers('yxr') else numbers('yxy'))