Function: minus(gradient[1](numbers('rep') if numbers('yyx') > numbers('rep') if numbers('yxr') > numbers('yyx') else numbers("yxx") else 2 *(numbers('yyx') if numbers('rep') > numbers('yxr') else numbers("yxx"))), numbers('rep') if numbers('yyx') > 2 *(numbers("yxx") if numbers('yyx') > numbers('rep') else numbers('yxr')) else numbers("yxx") if numbers('yxr') > numbers('rep') else numbers('yyx'))
