double y axis bar chart to have bars next to each other

Question

Andrew Alkiviades 2013-9-7

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hi I have plotted a double y axis bar chart with the code below. It seems that the bars are overlaying. I am trying to get the bars so that they are next to each other on the same x position

Any help would be appreciated!

   Wind_monthly_speed = [4.76 3.99 3.43 3.68 5.71 7.09 5.56 5.43 5.4 4.9 3.88 4.53];
   Solar_monthly = [5.87 6.52 6.99  6.45 5.6 4.84 5.17 5.66  5.85 5.9 5.29 5.41];
month = 1:1:12;
average_monthly_wind_density = 1.2;
wind_monthly_power = 0.5*average_monthly_wind_density.*(Wind_monthly_speed.^3);
figure;
x1 = 1:12;
y1 = wind_monthly_power;
y2 = Solar_monthly;
plotyy(x1,y1,x1,y2,'bar','bar')

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dpb 2013-9-7

That'll end up scaling them grossly anyway, why not simply multiply the one by 100 and annotate it to note the change?

How about pasting about half your data for somebody to play with?

Andrew Alkiviades 2013-9-7

thanks dpb I have updated the initial question above. I will have to use the vectors above, I cannot modify unfortunately

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Answer 1

dpb 2013-9-7

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https://ww2.mathworks.cn/matlabcentral/answers/86576-double-y-axis-bar-chart-to-have-bars-next-to-each-other#answer_96096

编辑：dpb 2013-9-8

在 MATLAB Online 中打开

Well, I think it's much more informative as

bar(x1', [y1' y2'])

but suit yourself. As a starting point try

ha=plotyy(x1-0.5,y1,x1+0.5,y2,'bar','bar');
set(ha,'xlim',[-1 14])
set(ha,'xtick',1:12)

Then get the handles of the bar objects and modify colors and width to enhance visibility, etc., etc., etc., ... as desired

ADDENDUM:

Rather than use +/-0.5, try +/-0.2 save the additional handles from the plotyy() call--

[hyy,hl,ho]=plotyy(x1-0.2,y1,x1+0.2,y2,'bar','bar');
set(hyy,'xlim',[-1 14],'xtick',1:12)
set(ho,'barwidth',0.4)
set(hl,'facecolor','r','barwidth',0.4)