Function: product(square(sqrt(band pass(numbers("yxx") if numbers('xyy') > numbers("yxx") else numbers("per") if numbers("yxx") > numbers("yxx") else numbers('xyy')))), sqrt(band pass(numbers('xyy') if numbers("yxx") > numbers("yxx") else numbers("per") if numbers('xyy') > numbers("yxx") else numbers("yxx"))))
