Hold on with subplot in a loop

Question

Teshome Kumsa 2022-5-15

0
链接

此问题的直接链接

https://ww2.mathworks.cn/matlabcentral/answers/1719610-hold-on-with-subplot-in-a-loop

编辑： Teshome Kumsa 2022-5-15

Hello,

Hold on, command is messing up my life. I was trying to plot figures using a loop. I want the first two loops in one subplot and the next two loops in another subplot. I tried to hold off and it didn't work.

A={[40;50;60] [70;80;90] [20;30;50]};
B={[45;55;65] [75;85;95] [25;35;55]};
T=[1;2;3];
for i=1:length(A)
    figure(i)
    subplot(2,1,1)
    plot(T,A{i},'-r')
    hold on
    plot(T,B{i},'--b')
    xlabel('x')
    ylabel('y')
end
for i=1:length(A)
    figure(i)
    subplot(2,1,2)
    plot(T,cumtrapz(A{i}),'-r')
    hold on
    plot(T,cumtrapz(B{i}),'--b')
    xlabel('xdot')
    ylabel('ydot')
end
hold off
for i=1:length(A)
    figure(i)
    subplot(2,1,1)
    loglog(T,A{i},'-y')
    hold on
    loglog(T,B{i},'--g')
    xlabel('ftx')
    ylabel('fty')
end
for i=1:length(A)
    figure(i)
    subplot(2,1,2)
    loglog(T,cumtrapz(A{i}),'-y')
    hold on
    loglog(T,cumtrapz(B{i}),'--g')
    xlabel('ftxdot')
    ylabel('ftydot')
end

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Answer 1

VBBV 2022-5-15

0
链接

此回答的直接链接

https://ww2.mathworks.cn/matlabcentral/answers/1719610-hold-on-with-subplot-in-a-loop#answer_964260

编辑：VBBV 2022-5-15

在 MATLAB Online 中打开

A={[40;50;60] [70;80;90] [20;30;50]};

B={[45;55;65] [75;85;95] [25;35;55]};

T=[1;2;3];

figure(1) % use this outside of loop

for i=1:length(A)

subplot(2,1,1)

plot(T,A{i},'-r')

title('figure 1')

hold on

plot(T,B{i},'--b')

xlabel('x')

ylabel('y')

end

for i=1:length(A)

subplot(2,1,2)

plot(T,cumtrapz(A{i}),'-r')

hold on

plot(T,cumtrapz(B{i}),'--b')

xlabel('xdot')

ylabel('ydot')

end

hold off

figure(2) % same here too

for i=1:length(A)

subplot(2,1,1)

loglog(T,A{i},'-y')

title('figure ')

hold on

loglog(T,B{i},'--g')

xlabel('ftx')

ylabel('fty')

grid on

end

for i=1:length(A)

subplot(2,1,2)

loglog(T,cumtrapz(A{i}),'-y')

hold on

loglog(T,cumtrapz(B{i}),'--g')

xlabel('ftxdot')

ylabel('ftydot')

grid on

end

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VBBV 2022-5-15

Use figure outside of loop. you're trying to replicate figure windows with as many as size of your matrix A,

Teshome Kumsa 2022-5-15

编辑：Teshome Kumsa 2022-5-15

Your program is good, but it will not help me if my length (A) is too long. Of course, the reason why I want to replicate figures with as many as the size of my matrix is due to the large amount of data I have to work with. The code I put here is just a sample. It is not my real data. Assume my length (A) is 20. Does it make sense to plot 20 data sets in a single plot?

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