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