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