matlab gui error handles.slider

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Margareta Drozdikova
回答： Rik 2018-1-27
Hi, I have this error, can you please tell me, how to solve it? thanks Undefined operator '+' for input arguments of type 'matlab.ui.control.UIControl'.
Error in exam_01>slider_Callback (line 206) xlim([handles.slider handles.slider+handles.dif])

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Rik
Rik 2018-1-27
The information is in the error: handles.slider is an object, not a value. If you want to use the value property, use get(handles.slider,'Value') or handles.slider.Value.

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