Function: sum(noise(gradient[2](numbers('xyy') if numbers("yxx") > tan(numbers('xyy') if numbers("yxx") > numbers('yxr') else numbers("per")) else numbers("per") if numbers('xyy') > numbers('yxr') else numbers("yxx"))), gradient[2](numbers('xyy') if tan(numbers("per") if numbers("yxx") > numbers('yxr') else numbers('xyy')) > numbers("yxx") else numbers("per") if numbers("yxx") > numbers('xyy') else numbers('yxr')))