# Creating multiple colorbars on y axis one under the other, on the same graph and on the same x-axis

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alexrecai le 25 Sep 2022
Modifié(e) : alexrecai le 29 Sep 2022
Hi all,
I have a trouble regarding creating three different colorbars on y axis one under the other, on the same graph and on the same x-axis. So basically data1, data2, data3 will be my three data sets and they will be on the y-axis. On my x-axis I will have the time. I tried the subplot function, but I ended up with multiple graphs. But I want to show data1, data2, data3 on the same graph. I sketched roughly what I am trying to do and I will appreciate any help from you. Thank you in advance.
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Pravarthana P le 28 Sep 2022
Hi Engin Tarhan,
I understand that you are facing an issue while plotting multiple data sets on y-axis against same x-axis in the same plot as shown in the attached image.
In order to plot the y-axis horizontally you can use the “barh” MATLAB function.
• To plot multiple data on y-axis in the same plot, the following workaround can be helpful:
%Example:
x = [1980 1990 2000];
y = [8 15 25; 30 35 40; 50 55 62]; % multiple y data set
tiledlayout(1,1);
ax2 = nexttile;
barh(ax2,x,y,'stacked') % Stacked
• To add the color map with the plot colors:
c1 = [0 0.4470 0.7410];
c2 = [0.8500 0.3250 0.0980] ;
c3 = [0.9290 0.6940 0.1250] ;
c = [c1 ; c2; c3] ;
colorbar;
%x = minimum value
%y = maximum value
colorbar('Ticks',[x,y],...
'TickLabels',{'Min','Max'})
colormap(c);
I hope this helps you!
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alexrecai le 29 Sep 2022
Modifié(e) : alexrecai le 29 Sep 2022
Dear Pravarthana,
First of all thank you for your informative answer. But the thing I am trying to do is a bit different, where each horizontal bar on the y axis will be matrices with their time data (so A, B and C are 500x2 matrices where the first column is force and the second column is time), and the x axis on the graph will be the time data, not the values of the y vectors. Also, I am trying to do the horizontal bars as colorbars, where their color will change according to their value, and a reference colorbar like this:

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