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What is Index exceeds matrix dimensions.error?
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Sir I am facing this error. I cannot understan what it really means.
Error in singha>VALIDATE_Callback (line 506) s2 = std2(cimg(:,:,2));
Error in gui_mainfcn (line 96) feval(varargin{:});
Error in singha (line 42) gui_mainfcn(gui_State, varargin{:});
Error in @(hObject,eventdata)singha('VALIDATE_Callback',hObject,eventdata,guidata(hObject))
Error while evaluating uicontrol Callback
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Adam
am 23 Apr. 2015
Bearbeitet: Adam
am 23 Apr. 2015
Arrays/matrices have a dimension which you can check by
size( myArray );
Indexing into an array using an index greater than the size in the specified dimension leads to this error.
e.g. if you have a 3*3 array, myArray , both the following will yield this error:
myArray(3,4); % 4 exceeds the 2nd dimension size
myArray(2,2,3); % 3 exceeds the 3rd dimension size as there is no 3rd dimension
From this you should be able to see what is going wrong in your own code by debugging and since this is something fundamental to learn in Matlab it is better for your learning that you locate it rather than someone point out the error.
3 Kommentare
Adam
am 27 Apr. 2015
You have already discovered the cause of the error yourself. Finding a solution for it is down to you working out what your matrices should be and what size they should be rather than something that can just be fixed by Matlab knowledge alone.
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