Function: mean(gradient[2](round(numbers('ryy'), numbers('yxy')) if numbers('yxy') > numbers("xxy") if numbers('ryy') > numbers('yxy') else round(numbers('ryy'), numbers('yxy')) else numbers('ryy') if numbers('ryy') > round(numbers('ryy'), numbers('yxy')) else numbers('ryy') if round(numbers('ryy'), numbers('yxy')) > numbers('yxy') else numbers("xxy")), numbers('ryy') if numbers('yxy') if round(numbers('ryy'), numbers('yxy')) > numbers("xxy") if numbers('yxy') > round(numbers('ryy'), numbers('yxy')) else numbers('ryy') else numbers('ryy') > numbers('ryy') if round(numbers('ryy'), numbers('yxy')) > numbers("xxy") else numbers('yxy') else round(numbers('ryy'), numbers('yxy')))