Function: gradient[0](numbers("yxx") if numbers("xxr") > numbers("xxr") else numbers('epe') if numbers("xxr") > numbers("xxr") if numbers('epe') if numbers("xxr") > numbers("yxx") else numbers("xxr") > numbers("xxr") if numbers("xxr") > numbers("yxx") else numbers('epe') if numbers("yxx") > numbers("xxr") else numbers("xxr") else numbers("xxr") else numbers("yxx") if numbers("xxr") > numbers("xxr") else numbers('epe') if numbers("xxr") > numbers("xxr") else numbers("yxx"))