Function: gradient[1](round(numbers("xxr") if numbers("per") > numbers('epe') else numbers("xxr") if numbers("yxx") > numbers("per") else numbers('epe'), numbers("per") if numbers("yxx") > numbers("xxr") else numbers('epe')) if numbers("xxr") if numbers('epe') > numbers("per") else numbers('epe') if numbers("per") > numbers("yxx") else numbers("xxr") > cos(round(numbers("per") if numbers('epe') > numbers("per") if numbers("yxx") > numbers('epe') else numbers("xxr") else numbers("xxr"), numbers("yxx") if numbers("xxr") > numbers("per") else numbers('epe'))) else numbers("yxx") if numbers("per") > numbers("xxr") else numbers('epe'))