Function: log(minus(2 *(gradient[2](sum(numbers("xxy"), numbers("per"))) if numbers("per") > numbers("xxy") else sum(numbers("xxy"), numbers("per"))), gradient[2](sum(numbers("xxy"), numbers("per"))) if numbers("per") > sum(numbers("xxy"), numbers("per")) else numbers("xxy")), 2 *(sum(numbers("xxy"), numbers("per")) if numbers("xxy") > numbers("per") else gradient[2](sum(numbers("xxy"), numbers("per")))))
