Function: log(gradient[2](square(numbers("yxx")) if numbers("yxx") > numbers('ryy') else numbers('ryy')) if numbers("yxx") if square(numbers("yxx")) > numbers('ryy') else numbers('ryy') > square(numbers("yxx")) else numbers("yxx"), gradient[2](numbers('ryy') if numbers("yxx") > numbers('ryy') else square(numbers("yxx"))))
