Combine 3 fig. graphs in one plot to compare each other

Question

Saba Hajhassan 2023-3-23

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https://ww2.mathworks.cn/matlabcentral/answers/1934195-combine-3-fig-graphs-in-one-plot-to-compare-each-other

编辑： Saba Hajhassan 2023-3-24

Hi, I have three graphs from 3 differnet simulation which represent different resutls. I wanna combine them together in plot, and I have tried differnet ways, but unfortunately I was not successful, I upload these three graphs as screenshots, because they exceed the 5MG limit.

And I appreiciate it if anyone could help me with this problem.

Thanks and have a good day!

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Answer 1

Matt J 2023-3-23

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https://ww2.mathworks.cn/matlabcentral/answers/1934195-combine-3-fig-graphs-in-one-plot-to-compare-each-other#answer_1199575

编辑：Matt J 2023-3-23

在 MATLAB Online 中打开

Suppose ax is a vector of axes handles to all of your separate plots. Then, you could re-parent the axes to a TiledChartLayout in a new figure,

N=numel(ax);
figure;
T=tiledlayout(N,1);
set(ax,'Parent',T);
for i=1:N
 T.Children(i).Layout.Tile=i;
end

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Matt J 2023-3-23

编辑：Matt J 2023-3-23

在 MATLAB Online 中打开

matlab.mat

If you have your data as separate arrays, you can just plot them in a single figure in a very basic way using tiledlayout

load matlab.mat

tiledlayout(3,1);

nexttile; plot(K_23);

nexttile; plot(K_25);

nexttile; plot(K_28);

If the idea is to have them all on the same plot, you can instead fo

figure

plot(K_23); hold on

plot(K_25);

plot(K_28); hold off

Saba Hajhassan 2023-3-23

编辑：Saba Hajhassan 2023-3-24

Thank you very much, I really do appreciate it. Yes the second plot was the idea. But the only problem is, if you look at the screenshots that I have uploaded, you will see that the x-axis is a time axis and its the simulation time of 7 seconds but here is something else. Do you know how I can solve this?

One last thing, do you know how I can label the them so I can recognize which graph is for Gain 23 and which one is for Gain 25 and so on?

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Answer 2

Jon 2023-3-23

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在 MATLAB Online 中打开

You should run each of the simulations keeping the results in local variables stored in the base workspace, and then plot the data using these variables. So for example suppose the results of running the first simulation were kept in the variable t1,x1 the second simulation in t2,x2, and for the third t3,x3 then you could plot the combined results using

plot(t1,x1,t2,x2,t3,x3)

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Jon 2023-3-23

You could also consider keeping the results in arrays rather than naming them t1,x1, t2,x2 etc

Saba Hajhassan 2023-3-23

matlab.mat

Thanks for your comment, yes i have saved them as array to the workspace and here I uploded them. I am still not able to combine all the three graphs in one. Could you please help me with that? I really appreciate it.

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