Function: gradient[0](square(numbers("yxx") if min(numbers("yxx"), numbers('yxy')) > numbers('yxy') else numbers('xry') if numbers("yxx") if numbers('yxy') > min(numbers("yxx"), numbers('yxy')) else numbers("yxx") if numbers('xry') > numbers('yxy') else min(numbers("yxx"), numbers('yxy')) > min(numbers("yxx"), numbers('yxy')) else numbers("yxx")))
