Function: minus(numbers("xxx") if numbers('ryy') if numbers("xxx") > numbers('xry') else numbers('rrr') > numbers('rrr') else numbers('ryy') if gradient[0](numbers("xxx") if numbers('rrr') > numbers('ryy') if numbers('xry') > numbers('rrr') else numbers("xxx") else numbers('ryy')) > numbers("xxx") if numbers('rrr') > numbers('ryy') else numbers('xry') else minus(gradient[0](numbers('ryy') if numbers('rrr') > numbers("xxx") else numbers("xxx") if numbers('xry') > numbers('ryy') else numbers('rrr')), numbers('rrr') if numbers("xxx") > numbers('rrr') if numbers('ryy') > numbers('xry') else numbers("xxx") else numbers('ryy')), minus(gradient[0](numbers("xxx") if numbers('ryy') if numbers("xxx") > numbers('rrr') else numbers('xry') > numbers('ryy') else numbers('rrr')), numbers("xxx") if numbers('rrr') > numbers('ryy') else numbers('ryy') if numbers('rrr') > numbers('xry') else numbers("xxx")))
