Function: gradient[0](product(band pass(numbers("xxx")), numbers("xxx")) if product(band pass(numbers("xxx")), numbers("xxx")) if band pass(numbers("xxx")) > numbers("xxx") else divide(product(band pass(numbers("xxx")), numbers("xxx")), band pass(numbers("xxx"))) > band pass(numbers("xxx")) else divide(product(band pass(numbers("xxx")), numbers("xxx")), band pass(numbers("xxx"))))
