Function: log(sum(gradient[2](sum(numbers("yxx"), numbers('yyx')) if numbers("yxx") > minus(sum(numbers("yxx"), numbers('yyx')), numbers("yxx")) else numbers('yyx')), numbers("yxx") if minus(sum(numbers("yxx"), numbers('yyx')), numbers("yxx")) > sum(numbers("yxx"), numbers('yyx')) else numbers('yyx')), gradient[2](minus(sum(numbers("yxx"), numbers('yyx')), numbers("yxx")) if sum(numbers("yxx"), numbers('yyx')) > numbers('yyx') else numbers("yxx")))
