Function: band pass(gradient[2](sum(numbers('yxr'), numbers('yxy')))) if sum(numbers('yxr'), numbers('yxy')) > round(band pass(gradient[2](sum(numbers('yxr'), numbers('yxy')))), gradient[2](sum(numbers('yxr'), numbers('yxy')))) else gradient[2](sum(numbers('yxr'), numbers('yxy')))
