Function: gradient[1](band pass(numbers("yxx")) if sin(numbers("yxx") if numbers("per") > numbers('yxr') if numbers("per") > band pass(numbers("yxx")) else numbers("yxx") else band pass(numbers("yxx"))) > numbers("per") if numbers('yxr') > numbers("yxx") else band pass(numbers("yxx")) else numbers("per") if numbers("yxx") > numbers('yxr') else band pass(numbers("yxx")) if numbers("per") > band pass(numbers("yxx")) else numbers("yxx"))
