Function: gradient[1](log(divide(product(numbers('xry') if numbers("yxx") > tan(numbers("yxx")) else numbers('rep'), tan(numbers("yxx"))), numbers("yxx") if numbers('rep') > tan(numbers("yxx")) else numbers('xry')), product(numbers("yxx") if tan(numbers("yxx")) > numbers('rep') else numbers('xry'), tan(numbers("yxx")))))
