Function: gradient[1](minus(numbers("xxy"), numbers('rrr')) if numbers("xxy") > numbers("xxy") else numbers('rrr') if minus(numbers("xxy") if numbers('rrr') > numbers("xxy") else minus(numbers("xxy"), numbers('rrr')), minus(numbers("xxy"), numbers('rrr'))) > minus(numbers("xxy"), numbers('rrr')) else numbers("xxy"))
