How to solve error Error using - ?

Question

0 个投票

>> uji
Error using  - 
Matrix dimensions must agree.
Error in fknn (line 81)
    distances = (repmat(test(i,:), num_train,1)-data).^2;
Error in classification (line 7)
[y,memberships]=fknn(sampel,training_class, uji,testing_class, K, info);
Error in uji>pushbutton16_Callback (line 219)
classification();
Error in gui_mainfcn (line 95)
        feval(varargin{:});
Error in uji (line 42)
    gui_mainfcn(gui_State, varargin{:});
Error in
matlab.graphics.internal.figfile.FigFile/read>@(hObject,eventdata)uji('pushbutton16_Callback',hObject,eventdata,guidata(hObject)) 
Error while evaluating UIControl Callback