Function: gradient[0](invert(numbers('yxr')) if invert(invert(numbers('yxr'))) > numbers("yxx") else numbers('yxr') if invert(numbers('yxr')) > invert(invert(numbers('yxr'))) if invert(numbers('yxr')) > invert(invert(numbers('yxr'))) if numbers("yxx") > invert(numbers('yxr')) else numbers('yxr') else numbers('yxr') else invert(invert(numbers('yxr'))))
