Function: gradient[2](gradient[2](product(square(numbers("yxx") if numbers("per") > numbers("yxx") else numbers('epe')), numbers('epe') if numbers("yxx") > numbers("per") else numbers("yxx")))) if product(square(numbers("yxx") if numbers("per") > numbers('epe') else numbers("yxx")), numbers('epe') if numbers("yxx") > numbers("per") else numbers("yxx")) > gradient[2](product(square(numbers("yxx") if numbers('epe') > numbers("per") else numbers("yxx")), numbers("yxx") if numbers("per") > numbers("yxx") else numbers('epe'))) else square(numbers('epe') if numbers("yxx") > numbers("per") else numbers("yxx"))
