Multiple bar graph with strange issue

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shane watson 2021-3-31

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https://ww2.mathworks.cn/matlabcentral/answers/788819-multiple-bar-graph-with-strange-issue

评论： Cris LaPierre 2021-6-14

Hello,

I'm facing strange issue while plotting multiple bar graph I used below code, which shows an error "Error using bar (line 168)

The length of X must match the number of rows of Y." FYI this code already available on Matlab Help center and I tried on live editor and it works fine there (but to me it gives error).

x = [1:24];

x1=randi([-5,5],1,24); % I suppose it.

x2=randi([-6,6],1,24); % I suppose it.

vals = [x1; x2];

b = bar(x,vals);

Secondly, I didn't give up and tried another code to plot . But this isn't intended plot (FYI: I need a pair of bar plots on single x tick and a little space between two x ticks). Can you help me out. Thanks in advance

x = [1:24];

x1=randi([-5,5],1,24);

x2=randi([-6,6],1,24);

bar(x1); hold on

bar(x2);