.. highlightlang:: us .. _xyismonoton: XYIsMonoton =========== .. index:: XYIsMonoton .. us.tag XYIsMonoton NOTREADYENGLISH xy.data New400 :ref:`XYIsMonoton` returns TRUE (1) if the x-coordinates are strictly monoton increasing. .. function:: bMonoton = XYIsMonoton(hData) .. us.return **Return Value** *bMonoton* is TRUE if the x-coordinates are strictly monoton increasing. .. us.params **Parameters** .. uparam:: hData The handle of a dataset created with :ref:`XYCreate` or :ref:`TYCreate`. .. seealso:: :ref:`overview-xy-datasets`, :ref:`TYCreate`, :ref:`XYCreate`, :ref:`XYShow`, :ref:`XYGetXMonoton` :sub:`id-266338`