Function: gradient[2](minus(numbers('xry'), numbers('rrr'))) if minus(numbers('xry'), numbers('rrr')) > sum(gradient[2](minus(numbers('xry'), numbers('rrr'))), minus(numbers('xry'), numbers('rrr'))) else divide(sum(gradient[2](minus(numbers('xry'), numbers('rrr'))), minus(numbers('xry'), numbers('rrr'))), gradient[2](minus(numbers('xry'), numbers('rrr'))))
