How solve this error (G must be the same length as X or the same length as the number of columns in X.)in box plot?

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Bajdar Nour 2018-9-27

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https://ww2.mathworks.cn/matlabcentral/answers/420995-how-solve-this-error-g-must-be-the-same-length-as-x-or-the-same-length-as-the-number-of-columns-in

编辑： Bajdar Nour 2018-9-30

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I have this code below

    function []=boxgraph_DR_total(i,Y,M1,M2,M3)  
    X1='Homogeneity';
    X2='Energy';
    X3='Entropy';
 if (i==1)
boxplot([M1 M2 M3],{'Gold','Silver','Copper'}),xlabel(X1),ylabel(Y),grid;
    elseif (i==2)
boxplot([M1 M2 M3],{'Gold','Silver','Copper'}),xlabel(X2),ylabel(Y),grid;
elseif (i==3)
boxplot([M1 M2 M3],{'Gold','Silver','Copper'}),xlabel(X3),ylabel(Y),grid;
end

M1, M2, M3 are a 50x19.

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回答（1 个）

KSSV 2018-9-27

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编辑：KSSV 2018-9-27

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Y is a intended Y-axes label to the obtained plot. You can keep any required string.

boxgraph_DR_total(i,'I Like MATLAB',M1,M2,M3)

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KSSV 2018-9-28

The error is not because of Y.

Bajdar Nour 2018-9-29

编辑：Bajdar Nour 2018-9-30

thanks, @KSSV, could you tell me because of what?

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Mathematics and Optimization Symbolic Math Toolbox MuPAD Graphics 2-D and 3-D Plots 2-D Function Plots

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