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The name 'string' is not an accessible property for an instance of class 'root'.

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Jonathan Wilson
Jonathan Wilson 2013-6-5
I have been given the error:
KTKQJ_graphs Error using hg.root/set The name 'string' is not an accessible property for an instance of class 'root'.
Error in KTKQJ_graphs>KTKQJ_graphs_OpeningFcn (line 46) set(handles.Speed_range, 'string', {D_knotts})
Error in gui_mainfcn (line 221) feval(gui_State.gui_OpeningFcn, gui_hFigure, [], guidata(gui_hFigure), varargin{:});
Error in KTKQJ_graphs (line 21) gui_mainfcn(gui_State, varargin{:});
I am not sure why i am getting 'root' problems and the code is duplicated for different variables. Please help

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回答（1 个）

Jan
Jan 2013-6-5
编辑：Jan 2013-6-5
The handle of the root object is 0. For any reason the value of handles.Speed_range is zero also. I assume this should be the handle of an uicontrol but it is not. Soo look in your code where "Speed_range" is defined to find out more details.

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